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openapi: 3.1.0
info:
  title: ComfyUI API
  description: |
    API for ComfyUI - A powerful and modular stable diffusion GUI and backend.

    This API allows you to interact with ComfyUI programmatically, including:
    - Submitting and managing workflow executions
    - Querying node/object information
    - Uploading and viewing files
    - Managing user settings and data
    - Asset management (feature-gated)

    ## Dual-path routing
    Every route registered via `self.routes` in the ComfyUI server is available at
    both its bare path (e.g. `/prompt`) and an `/api`-prefixed path (e.g. `/api/prompt`).
    This spec uses the `/api`-prefixed versions as canonical.

    ## Multi-user mode
    When ComfyUI is started with `--multi-user`, the `Comfy-User` header identifies
    the active user for settings, userdata, and history isolation. This is **not** a
    security mechanism  it is an organisational convenience with no authentication
    or authorisation behind it.
  version: 1.0.0
  license:
    name: GNU General Public License v3.0
    url: https://github.com/comfyanonymous/ComfyUI/blob/master/LICENSE

servers:
  - url: /
    description: Default ComfyUI server (typically http://127.0.0.1:8188)

tags:
  - name: prompt
    description: Workflow submission and prompt info
  - name: queue
    description: Queue inspection and management
  - name: history
    description: Execution history
  - name: upload
    description: File upload endpoints
  - name: view
    description: File viewing / download
  - name: system
    description: System stats and feature flags
  - name: node
    description: Node / object_info definitions
  - name: model
    description: Model folder and file listing
  - name: user
    description: User management (multi-user mode)
  - name: userdata
    description: Per-user file storage
  - name: settings
    description: Per-user settings
  - name: extensions
    description: Frontend extension JS files
  - name: subgraph
    description: Global subgraph blueprints
  - name: internal
    description: Internal / debug endpoints
  - name: assets
    description: Asset management (feature-gated behind enable-assets)

  - name: auth
    description: Authentication and session management (cloud-only)
  - name: billing
    description: Billing, subscriptions, and payment management (cloud-only)
  - name: workspace
    description: Workspace and team management (cloud-only)
  - name: hub
    description: "ComfyUI Hub: profiles, shared workflows, and labels (cloud-only)"
  - name: workflows
    description: Cloud workflow management and versioning (cloud-only)
  - name: task
    description: Background task management (cloud-only)
  - name: runtime-only
    description: Operations served exclusively by the cloud runtime with no local equivalent

paths:
  # ---------------------------------------------------------------------------
  # WebSocket
  # ---------------------------------------------------------------------------
  /ws:
    get:
      operationId: connectWebSocket
      tags: [system]
      summary: WebSocket connection for real-time updates
      description: |
        Upgrades to a WebSocket connection that streams execution progress,
        node status, and output messages. The server sends an initial `status`
        message with the session ID (SID) on connect.

        ## Message types (server → client)
        The server sends JSON messages with a `type` field. See the
        `x-websocket-messages` list below for the schema of each message type.
      parameters:
        - name: clientId
          in: query
          required: false
          schema:
            type: string
          description: Client identifier. If omitted the server assigns one.
      responses:
        "101":
          description: WebSocket upgrade successful
        '401':
          description: Unauthorized
      x-websocket-messages:
        - type: status
          schema:
            $ref: "#/components/schemas/StatusWsMessage"
        - type: progress
          schema:
            $ref: "#/components/schemas/ProgressWsMessage"
        - type: progress_text
          schema:
            $ref: "#/components/schemas/ProgressTextWsMessage"
        - type: progress_state
          schema:
            $ref: "#/components/schemas/ProgressStateWsMessage"
        - type: executing
          schema:
            $ref: "#/components/schemas/ExecutingWsMessage"
        - type: executed
          schema:
            $ref: "#/components/schemas/ExecutedWsMessage"
        - type: execution_start
          schema:
            $ref: "#/components/schemas/ExecutionStartWsMessage"
        - type: execution_success
          schema:
            $ref: "#/components/schemas/ExecutionSuccessWsMessage"
        - type: execution_cached
          schema:
            $ref: "#/components/schemas/ExecutionCachedWsMessage"
        - type: execution_interrupted
          schema:
            $ref: "#/components/schemas/ExecutionInterruptedWsMessage"
        - type: execution_error
          schema:
            $ref: "#/components/schemas/ExecutionErrorWsMessage"
        - type: logs
          schema:
            $ref: "#/components/schemas/LogsWsMessage"
        - type: notification
          schema:
            $ref: "#/components/schemas/NotificationWsMessage"
        - type: feature_flags
          schema:
            $ref: "#/components/schemas/FeatureFlagsWsMessage"
        - type: asset_download
          schema:
            $ref: "#/components/schemas/AssetDownloadWsMessage"
        - type: asset_export
          schema:
            $ref: "#/components/schemas/AssetExportWsMessage"

  # ---------------------------------------------------------------------------
  # Prompt
  # ---------------------------------------------------------------------------
  /api/prompt:
    get:
      operationId: getPromptInfo
      tags: [prompt]
      summary: Get queue status
      description: Returns how many items remain in the execution queue.
      responses:
        "200":
          description: Queue info
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PromptInfo"
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: executePrompt
      tags: [prompt]
      summary: Submit a workflow for execution
      description: Submits a workflow for execution. The server validates the graph, assigns a `prompt_id`, and enqueues it. Clients listen on `/ws` for execution progress and output messages.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/PromptRequest"
      responses:
        "200":
          description: Prompt accepted
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PromptResponse"
        "400":
          description: Validation or node errors
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PromptErrorResponse"

        '402':
          description: Payment required - Insufficient credits
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PromptErrorResponse'
        '429':
          description: Payment required - User has not paid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PromptErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PromptErrorResponse'
        '503':
          description: Service unavailable
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PromptErrorResponse'
  # ---------------------------------------------------------------------------
  # Queue
  # ---------------------------------------------------------------------------
  /api/queue:
    get:
      operationId: getQueueInfo
      tags: [queue]
      summary: Get running and pending queue items
      description: Returns the server's current execution queue, split into the currently-running prompt and the list of pending prompts.
      responses:
        "200":
          description: Queue contents
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/QueueInfo"
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: manageQueue
      tags: [queue]
      summary: Clear or delete items from the queue
      description: Mutates the execution queue. Supports clearing all queued prompts or deleting individual prompts by ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/QueueManageRequest"
      responses:
        "200":
          description: Queue updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/QueueManageResponse"
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/interrupt:
    post:
      operationId: interruptJob
      tags: [queue]
      summary: Interrupt current execution
      description: Interrupts the prompt that is currently executing. The next queued prompt (if any) will start immediately after.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                prompt_id:
                  type: string
                  format: uuid
                  description: "If provided, only interrupts this specific running prompt. Otherwise interrupts all."
      responses:
        "200":
          description: Interrupt signal sent

        '401':
          description: Unauthorized - Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/free:
    post:
      operationId: freeMemory
      tags: [queue]
      summary: Free GPU memory and/or unload models
      description: Frees GPU memory by unloading models and/or freeing the resident model cache, controlled by the request flags.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                unload_models:
                  type: boolean
                  description: Unload all models from VRAM/RAM
                free_memory:
                  type: boolean
                  description: Run garbage collection and free cached memory
      responses:
        "200":
          description: Memory freed

  # ---------------------------------------------------------------------------
  # Jobs
  # ---------------------------------------------------------------------------
  /api/jobs:
    get:
      operationId: listJobs
      tags: [queue]
      summary: List jobs with filtering and pagination
      description: Returns a paginated list of completed prompt executions, newest first.
      parameters:
        - name: status
          in: query
          schema:
            type: string
          description: Filter by job status
        - name: workflow_id
          in: query
          schema:
            type: string
          description: Filter by workflow ID
        - name: sort_by
          in: query
          schema:
            type: string
          description: Field to sort by
        - name: sort_order
          in: query
          schema:
            type: string
            enum: [asc, desc]
          description: Sort direction
        - name: limit
          in: query
          schema:
            type: integer
          description: Maximum number of results (default is unlimited/None)
        - name: offset
          in: query
          schema:
            type: integer
            default: 0
          description: Pagination offset
      responses:
        "200":
          description: Jobs list
          content:
            application/json:
              schema:
                type: object
                properties:
                  jobs:
                    type: array
                    items:
                      $ref: "#/components/schemas/JobEntry"
                  pagination:
                    $ref: "#/components/schemas/PaginationInfo"

        '401':
          description: Unauthorized - Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/jobs/{job_id}:
    get:
      operationId: getJobDetail
      tags: [queue]
      summary: Get a single job by ID
      description: Returns the full record for a single completed prompt execution, including its outputs, status, and metadata.
      parameters:
        - name: job_id
          in: path
          description: The job (prompt) ID to fetch.
          required: true
          schema:
            type: string
            format: uuid
      responses:
        "200":
          description: Job detail
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/JobDetailResponse"
        "404":
          description: Job not found

        '401':
          description: Unauthorized - Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Forbidden - Job does not belong to user
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # History
  # ---------------------------------------------------------------------------
  /api/history:
    get:
      operationId: getPromptHistory
      tags: [history]
      summary: Get execution history
      deprecated: true
      description: |
        **Deprecated.** Superseded by `GET /api/jobs`, which returns the same
        execution records in a paginated, filterable format. Planned for removal
        no earlier than a future major release; sunset timeline TBD.

        Returns a dictionary keyed by prompt_id. Each value is a HistoryEntry
        containing prompt metadata, outputs, status, and node meta.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: max_items
          in: query
          schema:
            type: integer
          description: Maximum number of history entries to return
        - name: offset
          in: query
          schema:
            type: integer
          description: Pagination offset (number of entries to skip)
      responses:
        "200":
          description: History dictionary keyed by prompt_id
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: "#/components/schemas/HistoryEntry"
        '404':
          description: "Not Found \u2014 use /api/history_v2 instead"
    post:
      operationId: manageHistory
      tags: [history]
      summary: Clear or delete history entries
      deprecated: true
      description: |
        **Deprecated.** Superseded by the forthcoming job-management endpoints
        under `/api/jobs`. Planned for removal no earlier than a future major
        release; sunset timeline TBD.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/HistoryManageRequest"
      responses:
        "200":
          description: History updated

        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized - Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/history/{prompt_id}:
    get:
      operationId: getHistoryByPromptId
      tags: [history]
      summary: Get history for a specific prompt
      deprecated: true
      description: |
        **Deprecated.** Superseded by `GET /api/jobs/{job_id}`, which returns
        the same execution record. Planned for removal no earlier than a future
        major release; sunset timeline TBD.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: prompt_id
          in: path
          description: The prompt ID to fetch history for.
          required: true
          schema:
            type: string
            format: uuid
      responses:
        "200":
          description: Single-entry history dictionary. Returns an empty object `{}` if the prompt_id is not found.
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: "#/components/schemas/HistoryEntry"

        '404':
          description: "Not Found \u2014 use /api/jobs/{prompt_id} instead"
  # ---------------------------------------------------------------------------
  # Upload
  # ---------------------------------------------------------------------------
  /api/upload/image:
    post:
      operationId: uploadImage
      tags: [upload]
      summary: Upload an image file
      description: Uploads an image file into one of the input/output/temp directories so it can be referenced by workflow nodes.
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - image
              properties:
                image:
                  type: string
                  format: binary
                  description: Image file to upload
                type:
                  type: string
                  enum: [input, temp, output]
                  default: input
                  description: Target directory type
                overwrite:
                  type: string
                  description: 'Set to "true" to overwrite existing files'
                subfolder:
                  type: string
                  description: Subfolder within the target directory
      responses:
        "200":
          description: Upload result
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UploadResult"
        "400":
          description: No file provided or invalid request

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/upload/mask:
    post:
      operationId: uploadMask
      tags: [upload]
      deprecated: true
      summary: Upload a mask image (deprecated)
      description: |
        Deprecated. Clients should composite the mask onto the source image
        client-side and upload the resulting image via POST /api/upload/image
        instead. This endpoint will continue to function for older clients,
        but will not receive new features.

        Uploads a mask image associated with a previously-uploaded reference image.
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - image
                - original_ref
              properties:
                image:
                  type: string
                  format: binary
                  description: Mask image (alpha channel is used)
                original_ref:
                  type: object
                  description: Reference to the original image file
                  required:
                    - filename
                  properties:
                    filename:
                      type: string
                      description: Filename of the original image
                  additionalProperties: true
                type:
                  type: string
                  enum: [input, temp, output]
                  default: input
                  description: Target directory type
                overwrite:
                  type: string
                  description: 'Set to "true" to overwrite existing files'
                subfolder:
                  type: string
                  description: Subfolder within the target directory
      responses:
        "200":
          description: Upload result
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UploadResult"
        "400":
          description: No file provided or invalid request

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # View
  # ---------------------------------------------------------------------------
  /api/view:
    get:
      operationId: viewFile
      tags: [view]
      summary: View or download a file
      description: Serves a file (image, audio, or video) from the input/output/temp directory identified by the query parameters.
      parameters:
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Name of the file to view
        - name: type
          in: query
          schema:
            type: string
            enum: [input, output, temp]
            default: output
          description: Directory type
        - name: subfolder
          in: query
          schema:
            type: string
          description: Subfolder within the directory
        - name: preview
          in: query
          schema:
            type: string
          description: Preview format hint (e.g. "webp;90")
        - name: channel
          in: query
          schema:
            type: string
            enum: [rgba, rgb, a]
          description: Channel extraction mode
      responses:
        "200":
          description: File content
          content:
            image/*:
              schema:
                type: string
                format: binary
            video/*:
              schema:
                type: string
                format: binary
            audio/*:
              schema:
                type: string
                format: binary
            application/octet-stream:
              schema:
                type: string
                format: binary
        "404":
          description: File not found

        '302':
          description: Redirect to GCS signed URL
          headers:
            Location:
              description: Signed URL to access the file in GCS
              schema:
                type: string
            Cache-Control:
              description: Cache directive for the redirect response
              schema:
                type: string
            Vary:
              description: Headers that affect response caching
              schema:
                type: string
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/view_metadata/{folder_name}:
    get:
      operationId: viewMetadata
      tags: [view]
      summary: Get metadata for a file (e.g. safetensors header)
      description: Returns embedded metadata parsed from a file in the given folder  for example, the header of a safetensors model.
      parameters:
        - name: folder_name
          in: path
          required: true
          schema:
            type: string
          description: Folder type (output, input, temp, etc.)
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Filename to read metadata from
      responses:
        "200":
          description: File metadata
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
        "404":
          description: File or metadata not found

  # ---------------------------------------------------------------------------
  # System
  # ---------------------------------------------------------------------------
  /api/system_stats:
    get:
      operationId: getSystemStats
      tags: [system]
      summary: Get system statistics
      description: Returns hardware, Python, VRAM, and runtime statistics for the running ComfyUI process.
      responses:
        "200":
          description: System stats
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SystemStatsResponse"

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/features:
    get:
      operationId: getFeatures
      tags: [system]
      summary: Get enabled feature flags
      description: Returns a dictionary of feature flag names to their enabled state. Cloud deployments may include additional typed fields alongside the boolean flags.
      responses:
        "200":
          description: Feature flags
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: boolean
                properties:
                  max_upload_size:
                    type: integer
                    format: int64
                    minimum: 0
                    description: "Maximum file upload size in bytes."
                  free_tier_credits:
                    type: integer
                    format: int32
                    minimum: 0
                    nullable: true
                    x-runtime: [cloud]
                    description: "[cloud-only] Credits available to free-tier users. Local ComfyUI returns null."
                  posthog_api_host:
                    type: string
                    format: uri
                    nullable: true
                    x-runtime: [cloud]
                    description: "[cloud-only] PostHog analytics proxy URL for frontend telemetry. Local ComfyUI returns null."
                  max_concurrent_jobs:
                    type: integer
                    format: int32
                    minimum: 0
                    nullable: true
                    x-runtime: [cloud]
                    description: "[cloud-only] Maximum concurrent jobs the authenticated user can run. Local ComfyUI returns null."
                  workflow_templates_version:
                    type: string
                    nullable: true
                    x-runtime: [cloud]
                    description: "[cloud-only] Version identifier for the workflow templates bundle. Local ComfyUI returns null."
                  workflow_templates_source:
                    type: string
                    nullable: true
                    enum: [dynamic_config_override, workflow_templates_version_json]
                    x-runtime: [cloud]
                    description: "[cloud-only] How the templates version was resolved. Local ComfyUI returns null."

  # ---------------------------------------------------------------------------
  # Node / Object Info
  # ---------------------------------------------------------------------------
  /api/object_info:
    get:
      operationId: getNodeInfo
      tags: [node]
      summary: Get all node definitions
      description: |
        Returns a dictionary of every registered node class, keyed by class name.
        Each value is a NodeInfo object describing inputs, outputs, category, etc.
      responses:
        "200":
          description: All node definitions
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: "#/components/schemas/NodeInfo"

  /api/object_info/{node_class}:
    get:
      operationId: getObjectInfoByClass
      tags: [node]
      summary: Get a single node definition
      description: Returns the `NodeInfo` definition for a single registered node class.
      parameters:
        - name: node_class
          in: path
          required: true
          schema:
            type: string
          description: Node class name (e.g. "KSampler")
      responses:
        "200":
          description: Single node definition
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: "#/components/schemas/NodeInfo"
        "404":
          description: Node class not found

  /api/embeddings:
    get:
      operationId: getEmbeddings
      tags: [node]
      summary: List available embedding names
      description: Returns the list of text-encoder embeddings available on disk.
      responses:
        "200":
          description: Embedding names
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string

  # ---------------------------------------------------------------------------
  # Models
  # ---------------------------------------------------------------------------
  /api/models:
    get:
      operationId: getModelTypes
      tags: [model]
      summary: List model folder type names
      description: Returns an array of model type names (e.g. checkpoints, loras, vae).
      responses:
        "200":
          description: Model type names
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string

        '404':
          description: "Not Found \u2014 use /api/experiment/models instead"
  /api/models/{folder}:
    get:
      operationId: getModelsByFolder
      tags: [model]
      summary: List model filenames in a folder
      description: Returns the names of model files in the given folder. This endpoint predates `/api/experiment/models/{folder}` and returns names only  prefer the experiment endpoint for new integrations.
      parameters:
        - name: folder
          in: path
          required: true
          schema:
            type: string
          description: Model folder type name
      responses:
        "200":
          description: Model filenames
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
        "404":
          description: Unknown folder type

  /api/experiment/models:
    get:
      operationId: getModelFolders
      tags: [model]
      summary: List model folders with paths
      description: Returns an array of model folder objects with name and folder paths.
      responses:
        "200":
          description: Model folders
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/ModelFolder"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/experiment/models/{folder}:
    get:
      operationId: getModelsInFolder
      tags: [model]
      summary: List model files with metadata
      description: Returns the model files in the given folder with richer metadata (path index, mtime, size) than the legacy `/api/models/{folder}` endpoint.
      parameters:
        - name: folder
          in: path
          required: true
          schema:
            type: string
          description: Model folder type name
      responses:
        "200":
          description: Model files with metadata
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/ModelFile"
        "404":
          description: Unknown folder type

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/experiment/models/preview/{folder}/{path_index}/{filename}:
    get:
      operationId: getModelPreview
      tags: [model]
      summary: Get model preview image
      description: Returns the preview image associated with a model file, if one exists alongside the model on disk.
      parameters:
        - name: folder
          in: path
          required: true
          schema:
            type: string
          description: Model folder type name
        - name: path_index
          in: path
          required: true
          schema:
            type: integer
          description: Path index within the folder
        - name: filename
          in: path
          required: true
          schema:
            type: string
          description: Model filename
      responses:
        "200":
          description: Preview image (WebP)
          content:
            image/webp:
              schema:
                type: string
                format: binary
        "404":
          description: Preview not found

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Users
  # ---------------------------------------------------------------------------
  /api/users:
    get:
      operationId: getUsersInfo
      tags: [user]
      summary: Get user storage info
      description: |
        Returns user storage configuration. In single-user mode returns
        `{"storage": "server", "migrated": true/false}`. In multi-user mode
        returns `{"storage": "server", "users": {"user_id": "user_dir", ...}}`.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
      responses:
        "200":
          description: User info
          content:
            application/json:
              schema:
                type: object
                properties:
                  storage:
                    type: string
                    description: Storage backend type (always "server")
                  migrated:
                    type: boolean
                    description: Whether migration from browser storage is complete (single-user)
                  users:
                    type: object
                    additionalProperties:
                      type: string
                    description: Map of user_id to directory name (multi-user)
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: createUser
      tags: [user]
      summary: Create a new user (multi-user mode)
      description: Creates a new user entry. Only meaningful when ComfyUI is running in multi-user mode.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - username
              properties:
                username:
                  type: string
                  description: Username for the new user
      responses:
        "200":
          description: Created user ID
          content:
            application/json:
              schema:
                type: string
                description: The generated user_id
        "400":
          description: Username already exists or invalid

  # ---------------------------------------------------------------------------
  # Userdata
  # ---------------------------------------------------------------------------
  /api/userdata:
    get:
      operationId: getUserdata
      tags: [userdata]
      summary: List files in a userdata directory
      description: Lists files in the authenticated user's data directory. Returns either filename strings or full objects depending on the `full_info` query parameter.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: dir
          in: query
          required: true
          schema:
            type: string
          description: Directory path relative to the user's data folder
        - name: recurse
          in: query
          schema:
            type: boolean
          description: Recurse into subdirectories
        - name: full_info
          in: query
          schema:
            type: boolean
          description: Return full file info objects instead of just names
        - name: split
          in: query
          schema:
            type: boolean
          description: Split paths into directory components
      responses:
        "200":
          description: File listing
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/GetUserDataResponseFull"
        "404":
          description: Directory not found

        '400':
          description: Bad request (e.g., invalid filename).
          content:
            text/plain:
              schema:
                type: string
        '401':
          description: Unauthorized.
          content:
            text/plain:
              schema:
                type: string
        '500':
          description: General error
          content:
            text/plain:
              schema:
                type: string
  /api/v2/userdata:
    get:
      operationId: listUserdataV2
      tags: [userdata]
      summary: List files in userdata (v2 format)
      description: Lists files in the authenticated user's data directory using the v2 response shape, which always returns full objects.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: path
          in: query
          schema:
            type: string
          description: Directory path relative to user data root
      responses:
        "200":
          description: File listing with metadata
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
                  properties:
                    name:
                      type: string
                    path:
                      type: string
                    type:
                      type: string
                      enum: [file, directory]
                    size:
                      type: integer
                    modified:
                      type: number
                      description: Unix timestamp

        '404':
          description: "Not Found \u2014 use /api/userdata instead"
  /api/userdata/{file}:
    get:
      operationId: getUserdataFile
      tags: [userdata]
      summary: Read a userdata file
      description: Reads the contents of a file from the authenticated user's data directory.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: file
          in: path
          required: true
          schema:
            type: string
          description: File path relative to user data directory
      responses:
        "200":
          description: File content
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
        "404":
          description: File not found
        '400':
          description: Bad request (e.g., invalid filename).
          content:
            text/plain:
              schema:
                type: string
        '401':
          description: Unauthorized.
          content:
            text/plain:
              schema:
                type: string
        '500':
          description: General error
          content:
            text/plain:
              schema:
                type: string
    post:
      operationId: postUserdataFile
      tags: [userdata]
      summary: Write or create a userdata file
      description: Writes (creates or replaces) a file in the authenticated user's data directory.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: file
          in: path
          required: true
          schema:
            type: string
          description: File path relative to user data directory
        - name: overwrite
          in: query
          schema:
            type: boolean
          description: Allow overwriting existing files
        - name: full_info
          in: query
          schema:
            type: boolean
          description: Return full file info in response
      requestBody:
        required: true
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
          application/json:
            schema: {}
      responses:
        "200":
          description: File written
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UserDataResponseFull"
        "409":
          description: File exists and overwrite not set
        '400':
          description: Missing or invalid 'file' parameter.
          content:
            text/plain:
              schema:
                type: string
        '401':
          description: Unauthorized.
          content:
            text/plain:
              schema:
                type: string
        '403':
          description: The requested path is not allowed.
          content:
            text/plain:
              schema:
                type: string
        '500':
          description: General error
          content:
            text/plain:
              schema:
                type: string
    delete:
      operationId: deleteUserdataFile
      tags: [userdata]
      summary: Delete a userdata file
      description: Deletes a file from the authenticated user's data directory.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: file
          in: path
          required: true
          schema:
            type: string
          description: File path relative to user data directory
      responses:
        "204":
          description: File deleted
        "404":
          description: File not found

        '401':
          description: Unauthorized.
          content:
            text/plain:
              schema:
                type: string
        '500':
          description: Internal server error.
          content:
            text/plain:
              schema:
                type: string
  /api/userdata/{file}/move/{dest}:
    post:
      operationId: moveUserdataFile
      tags: [userdata]
      summary: Move or rename a userdata file
      description: Renames or moves a file within the authenticated user's data directory.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: file
          in: path
          required: true
          schema:
            type: string
          description: Source file path
        - name: dest
          in: path
          required: true
          schema:
            type: string
          description: Destination file path
        - name: overwrite
          in: query
          schema:
            type: boolean
          description: Allow overwriting at destination
        - name: full_info
          in: query
          schema:
            type: boolean
          description: Return full file info in response
      responses:
        "200":
          description: File moved
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UserDataResponseFull"
        "404":
          description: Source file not found
        "409":
          description: Destination exists and overwrite not set

        '400':
          description: Missing or invalid parameters.
          content:
            text/plain:
              schema:
                type: string
        '401':
          description: Unauthorized.
          content:
            text/plain:
              schema:
                type: string
        '500':
          description: General error
          content:
            text/plain:
              schema:
                type: string
  # ---------------------------------------------------------------------------
  # Settings
  # ---------------------------------------------------------------------------
  /api/settings:
    get:
      operationId: getAllSettings
      tags: [settings]
      summary: Get all user settings
      description: Returns all settings for the authenticated user.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
      responses:
        "200":
          description: Settings object
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: updateMultipleSettings
      tags: [settings]
      summary: Update user settings (partial merge)
      description: Replaces the authenticated user's settings with the provided object.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
              description: Partial settings to merge
      responses:
        "200":
          description: Settings updated

        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/settings/{id}:
    get:
      operationId: getSettingById
      tags: [settings]
      summary: Get a single setting by key
      description: Returns the value of a single setting, identified by key.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: Setting key
      responses:
        "200":
          description: Setting value (null if the setting does not exist)
          content:
            application/json:
              schema:
                nullable: true
                description: The setting value (any JSON type), or null if not set
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Setting not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: updateSettingById
      tags: [settings]
      summary: Set a single setting value
      description: Sets the value of a single setting, identified by key.
      parameters:
        - $ref: "#/components/parameters/ComfyUserHeader"
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: Setting key
      requestBody:
        required: true
        content:
          application/json:
            schema:
              description: The setting value (any JSON type)
      responses:
        "200":
          description: Setting updated

        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Extensions / Templates / i18n
  # ---------------------------------------------------------------------------
  /api/extensions:
    get:
      operationId: getExtensions
      tags: [extensions]
      summary: List frontend extension JS file paths
      description: Returns the list of frontend extension JS URLs registered by custom nodes, to be loaded by the frontend on startup.
      responses:
        "200":
          description: Array of JS file paths
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
                  description: Relative path to extension JS file

  /api/workflow_templates:
    get:
      operationId: getWorkflowTemplates
      tags: [extensions]
      summary: Get workflow template mappings
      description: Returns a map of custom node names to their provided workflow template names.
      responses:
        "200":
          description: Template mappings
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: array
                  items:
                    type: string
                description: Map of node pack name to array of template names

  /api/i18n:
    get:
      operationId: getI18n
      tags: [extensions]
      summary: Get internationalisation translation strings
      description: Returns the URLs of translation files contributed by custom nodes, keyed by locale.
      responses:
        "200":
          description: Translation map
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
                description: Nested map of locale to translation key-value pairs

  # ---------------------------------------------------------------------------
  # Subgraphs
  # ---------------------------------------------------------------------------
  /api/global_subgraphs:
    get:
      operationId: getGlobalSubgraphs
      tags: [subgraph]
      summary: List global subgraph blueprints
      description: Returns a dictionary of subgraph IDs to their metadata.
      responses:
        "200":
          description: Subgraph metadata dictionary
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: "#/components/schemas/GlobalSubgraphInfo"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/global_subgraphs/{id}:
    get:
      operationId: getGlobalSubgraph
      tags: [subgraph]
      summary: Get a global subgraph with full data
      description: Returns the blueprint for a globally-registered subgraph, used by the frontend to materialize the subgraph node.
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: Subgraph identifier
      responses:
        "200":
          description: Full subgraph data
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/GlobalSubgraphData"
        "404":
          description: Subgraph not found

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Node Replacements
  # ---------------------------------------------------------------------------
  /api/node_replacements:
    get:
      operationId: getNodeReplacements
      tags: [node]
      summary: Get node replacement mappings
      description: |
        Returns a dictionary mapping deprecated or replaced node class names
        to their replacement node information.
      responses:
        "200":
          description: Replacement mappings
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Internal (x-internal: true)
  # ---------------------------------------------------------------------------
  /internal/logs:
    get:
      operationId: getInternalLogs
      tags: [internal]
      summary: Get server logs as text
      description: Returns structured ComfyUI log entries from the in-memory log buffer.
      x-internal: true
      responses:
        "200":
          description: Log text
          content:
            text/plain:
              schema:
                type: string

  /internal/logs/raw:
    get:
      operationId: getInternalLogsRaw
      tags: [internal]
      summary: Get raw structured log entries
      description: Returns the raw ComfyUI log buffer as text, together with metadata about the current size limit.
      x-internal: true
      responses:
        "200":
          description: Structured log data
          content:
            application/json:
              schema:
                type: object
                properties:
                  entries:
                    type: array
                    items:
                      type: object
                      properties:
                        t:
                          type: number
                          description: Timestamp
                        m:
                          type: string
                          description: Message
                  size:
                    type: object
                    properties:
                      cols:
                        type: integer
                      rows:
                        type: integer

  /internal/logs/subscribe:
    patch:
      operationId: subscribeToLogs
      tags: [internal]
      summary: Subscribe or unsubscribe a WebSocket client to log streaming
      description: Subscribes or unsubscribes the current client from live log streaming over the WebSocket.
      x-internal: true
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - clientId
                - enabled
              properties:
                clientId:
                  type: string
                  description: WebSocket client ID
                enabled:
                  type: boolean
                  description: Enable or disable log streaming for this client
      responses:
        "200":
          description: Subscription updated

  /internal/folder_paths:
    get:
      operationId: getInternalFolderPaths
      tags: [internal]
      summary: Get configured folder paths
      description: Returns the filesystem paths ComfyUI is configured to load models and other assets from, keyed by folder type.
      x-internal: true
      responses:
        "200":
          description: Dictionary of folder type to paths
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  type: array
                  items:
                    type: array
                    items:
                      type: string
                description: Map of folder type name to list of [path, ...] entries

  /internal/files/{directory_type}:
    get:
      operationId: getFiles
      tags: [internal]
      summary: List files in a directory type
      description: Lists the files present in one of ComfyUI's known directories (input, output, or temp).
      x-internal: true
      parameters:
        - name: directory_type
          in: path
          required: true
          schema:
            type: string
          description: Directory type (e.g. output, input, temp)
      responses:
        "200":
          description: Array of filenames
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string

        '400':
          description: Invalid directory type
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Assets (x-feature-gate: enable-assets)
  # ---------------------------------------------------------------------------
  /api/assets/hash/{hash}:
    head:
      operationId: checkAssetByHash
      tags: [assets]
      summary: Check if an asset with the given hash exists
      description: Returns 204 if an asset with the given content hash already exists, 404 otherwise. Used by clients to deduplicate uploads before transferring bytes.
      x-feature-gate: enable-assets
      parameters:
        - name: hash
          in: path
          required: true
          schema:
            type: string
          description: "Blake3 hash of the asset (e.g. blake3:abc123...)"
      responses:
        "200":
          description: Asset exists
        "404":
          description: No asset with this hash

        '400':
          description: Invalid hash format
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets:
    get:
      operationId: listAssets
      tags: [assets]
      summary: List assets with filtering and pagination
      description: Returns a paginated list of assets, optionally filtered by tags, name, or other query parameters.
      x-feature-gate: enable-assets
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
            default: 50
        - name: offset
          in: query
          schema:
            type: integer
            default: 0
        - name: include_tags
          in: query
          schema:
            type: array
            items:
              type: string
          style: form
          explode: true
          description: Tags that assets must have (AND logic)
        - name: exclude_tags
          in: query
          schema:
            type: array
            items:
              type: string
          style: form
          explode: true
          description: Tags that assets must not have
        - name: name_contains
          in: query
          schema:
            type: string
          description: Filter assets whose name contains this substring
        - name: metadata_filter
          in: query
          schema:
            type: string
          description: JSON-encoded metadata key/value filter
        - name: sort
          in: query
          schema:
            type: string
          description: Field to sort by
        - name: order
          in: query
          schema:
            type: string
            enum: [asc, desc]
          description: Sort direction
        - name: include_public
          in: query
          schema:
            type: boolean
          x-runtime: [cloud]
          description: "[cloud-only] Include workspace-public assets in addition to the caller's own."
        - name: asset_hash
          in: query
          schema:
            type: string
          x-runtime: [cloud]
          description: "[cloud-only] Filter by exact content hash."
      responses:
        "200":
          description: Asset list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ListAssetsResponse"
        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: uploadAsset
      tags: [assets]
      summary: Upload a new asset
      description: Uploads a new asset (binary content plus metadata) and registers it in the asset database.
      x-feature-gate: enable-assets
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - file
              properties:
                file:
                  type: string
                  format: binary
                  description: Asset file to upload
                name:
                  type: string
                  description: Display name for the asset
                tags:
                  type: string
                  description: Comma-separated tags
                user_metadata:
                  type: string
                  description: JSON-encoded user metadata
                hash:
                  type: string
                  description: "Blake3 hash of the file content (e.g. blake3:abc123...)"
                mime_type:
                  type: string
                  description: MIME type of the file (overrides auto-detected type)
                preview_id:
                  type: string
                  format: uuid
                  description: ID of an existing asset to use as the preview image
                id:
                  type: string
                  format: uuid
                  nullable: true
                  x-runtime: [cloud]
                  description: "[cloud-only] Client-supplied asset ID for idempotent creation. If an asset with this ID already exists, the existing asset is returned."
          application/json:
            schema:
              type: object
              x-runtime: [cloud]
              description: "[cloud-only] URL-based asset upload. Caller supplies a URL instead of a file body; the server fetches the content."
              required:
                - url
              properties:
                url:
                  type: string
                  format: uri
                  description: "[cloud-only] URL of the file to import as an asset"
                name:
                  type: string
                  description: Display name for the asset
                tags:
                  type: string
                  description: Comma-separated tags
                user_metadata:
                  type: string
                  description: JSON-encoded user metadata
                hash:
                  type: string
                  description: "Blake3 hash of the file content (e.g. blake3:abc123...)"
                mime_type:
                  type: string
                  description: MIME type of the file (overrides auto-detected type)
                preview_id:
                  type: string
                  format: uuid
                  description: ID of an existing asset to use as the preview image
                id:
                  type: string
                  format: uuid
                  nullable: true
                  x-runtime: [cloud]
                  description: "[cloud-only] Client-supplied asset ID for idempotent creation. If an asset with this ID already exists, the existing asset is returned."
      responses:
        "201":
          description: Asset created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AssetCreated"

        '200':
          description: Asset already exists (returned existing asset)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AssetCreated'
        '400':
          description: Invalid request (bad file, invalid URL, invalid content type, etc.)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: Source URL requires authentication or access denied
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Source URL not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '413':
          description: File too large
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '415':
          description: Unsupported media type
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Download failed due to network error or timeout
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/from-hash:
    post:
      operationId: createAssetFromHash
      tags: [assets]
      summary: Create an asset reference from an existing hash
      description: Registers a new asset that references existing content by hash, without re-uploading the bytes.
      x-feature-gate: enable-assets
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - hash
                - name
              properties:
                hash:
                  type: string
                  description: Blake3 hash of existing content
                name:
                  type: string
                  description: Display name
                tags:
                  type: array
                  items:
                    type: string
                user_metadata:
                  type: object
                  additionalProperties: true
                mime_type:
                  type: string
                  nullable: true
                  x-runtime: [cloud]
                  description: "[cloud-only] MIME type of the content, so the type is preserved without re-inspecting content. Ignored by local ComfyUI."
      responses:
        "201":
          description: Asset created from hash
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AssetCreated"

        '200':
          description: Asset reference already exists (returned existing)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AssetCreated'
        '400':
          description: Invalid request (bad hash format, invalid tags, etc.)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Source asset with given hash not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/{id}:
    get:
      operationId: getAssetById
      tags: [assets]
      summary: Get asset metadata
      description: Returns the metadata for a single asset.
      x-feature-gate: enable-assets
      parameters:
        - name: id
          in: path
          description: The asset ID.
          required: true
          schema:
            type: string
            format: uuid
      responses:
        "200":
          description: Asset metadata
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Asset"
        "404":
          description: Asset not found
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    put:
      operationId: updateAsset
      tags: [assets]
      summary: Update asset metadata
      description: Updates the mutable metadata of an asset (name, tags, etc.). Binary content is immutable.
      x-feature-gate: enable-assets
      parameters:
        - name: id
          in: path
          description: The asset ID.
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: New display name for the asset
                user_metadata:
                  type: object
                  additionalProperties: true
                  description: Custom user metadata to set
                preview_id:
                  type: string
                  format: uuid
                  description: ID of the asset to use as the preview
                mime_type:
                  type: string
                  nullable: true
                  x-runtime: [cloud]
                  description: "[cloud-only] MIME type override when auto-detection was wrong. Ignored by local ComfyUI."
      responses:
        "200":
          description: Asset updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AssetUpdated"
        '400':
          description: Invalid request (no fields provided)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Asset not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteAsset
      tags: [assets]
      summary: Delete an asset
      description: Removes an asset entry. Depending on the server configuration, the underlying content may also be deleted.
      x-feature-gate: enable-assets
      parameters:
        - name: id
          in: path
          description: The asset ID.
          required: true
          schema:
            type: string
            format: uuid
        - name: delete_content
          in: query
          schema:
            type: boolean
          description: Also delete the underlying content file
      responses:
        "204":
          description: Asset deleted

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Asset not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '409':
          description: Asset cannot be deleted because it is referenced by another resource (e.g., workflow version)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/{id}/content:
    get:
      operationId: getAssetContent
      tags: [assets]
      summary: Download asset file content
      description: Returns the binary content of an asset. Supports range requests.
      x-feature-gate: enable-assets
      parameters:
        - name: id
          in: path
          description: The asset ID.
          required: true
          schema:
            type: string
            format: uuid
      responses:
        "200":
          description: Asset file content
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
        "404":
          description: Asset not found

  /api/assets/{id}/tags:
    post:
      operationId: addAssetTags
      tags: [assets]
      summary: Add tags to an asset
      description: Adds one or more tags to an asset.
      x-feature-gate: enable-assets
      parameters:
        - name: id
          in: path
          description: The asset ID.
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - tags
              properties:
                tags:
                  type: array
                  items:
                    type: string
      responses:
        "200":
          description: Tags added
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TagsModificationResponse"
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Asset not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error (e.g., reserved tag)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: removeAssetTags
      tags: [assets]
      summary: Remove tags from an asset
      description: Removes one or more tags from an asset.
      x-feature-gate: enable-assets
      parameters:
        - name: id
          in: path
          description: The asset ID.
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - tags
              properties:
                tags:
                  type: array
                  items:
                    type: string
      responses:
        "200":
          description: Tags removed
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TagsModificationResponse"

        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Asset not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error (e.g., reserved tag)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/tags:
    get:
      operationId: listTags
      tags: [assets]
      summary: List all known tags with counts
      description: Returns the list of all tags known to the asset database, with counts.
      x-feature-gate: enable-assets
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
        - name: offset
          in: query
          schema:
            type: integer
        - name: search
          in: query
          schema:
            type: string
          description: Search term for tag name
      responses:
        "200":
          description: Tag list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ListTagsResponse"

        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/tags/refine:
    get:
      operationId: getAssetTagHistogram
      tags: [assets]
      summary: Get tag counts for assets matching current filters
      description: Returns suggested additional tags that would refine a filtered asset query, together with the count of assets each tag would select.
      x-feature-gate: enable-assets
      parameters:
        - name: include_tags
          in: query
          schema:
            type: array
            items:
              type: string
          style: form
          explode: true
          description: Tags that assets must have (AND logic)
        - name: exclude_tags
          in: query
          schema:
            type: array
            items:
              type: string
          style: form
          explode: true
          description: Tags that assets must not have
        - name: name_contains
          in: query
          schema:
            type: string
          description: Filter assets whose name contains this substring
        - name: metadata_filter
          in: query
          schema:
            type: string
          description: JSON-encoded metadata key/value filter
        - name: limit
          in: query
          schema:
            type: integer
        - name: offset
          in: query
          schema:
            type: integer
        - name: sort
          in: query
          schema:
            type: string
          description: Field to sort by
        - name: order
          in: query
          schema:
            type: string
            enum: [asc, desc]
          description: Sort direction
      responses:
        "200":
          description: Tag histogram
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AssetTagHistogramResponse"

        '400':
          description: Invalid request parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/seed:
    post:
      operationId: seedAssets
      tags: [assets]
      summary: Trigger asset scan/seed from filesystem
      description: Starts a background job that scans the configured directories and registers any assets not yet present in the asset database.
      x-feature-gate: enable-assets
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                roots:
                  type: array
                  items:
                    type: string
                  description: Root folder paths to scan (if omitted, scans all)
      responses:
        "200":
          description: Seed started
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string

  /api/assets/seed/status:
    get:
      operationId: getAssetSeedStatus
      tags: [assets]
      summary: Get asset scan progress
      description: Returns the progress and status of the most recently-started asset seed job.
      x-feature-gate: enable-assets
      responses:
        "200":
          description: Scan progress
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
                description: Scan progress details (files scanned, total, status, etc.)

  /api/assets/seed/cancel:
    post:
      operationId: cancelAssetSeed
      tags: [assets]
      summary: Cancel an in-progress asset scan
      description: Requests cancellation of the currently-running asset seed job.
      x-feature-gate: enable-assets
      responses:
        "200":
          description: Scan cancelled
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string

  /api/assets/prune:
    post:
      operationId: pruneAssets
      tags: [assets]
      summary: Mark assets whose backing files no longer exist on disk
      description: Starts a background job that removes asset entries whose underlying content no longer exists on disk.
      x-feature-gate: enable-assets
      responses:
        "200":
          description: Prune result
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                  marked:
                    type: integer
                    description: Number of assets marked as missing

  # ===========================================================================
  # Cloud-runtime FE-facing operations
  #
  # These operations are served by the cloud runtime. The local runtime returns
  # 404 for all of these paths. Each operation is tagged x-runtime: [cloud].
  # ===========================================================================

  # ---------------------------------------------------------------------------
  # Jobs / prompts (cloud)
  # ---------------------------------------------------------------------------
  /api/jobs/{job_id}/cancel:
    post:
      operationId: cancelJob
      tags: [queue]
      summary: Cancel a running or pending job
      description: "[cloud-only] Requests cancellation of a job. If the job is currently executing, execution is interrupted. If it is pending in the queue, it is removed."
      x-runtime: [cloud]
      parameters:
        - name: job_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The job ID to cancel.
      responses:
        "200":
          description: Cancellation accepted
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/JobCancelResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: Bad Request - job_id is not a valid UUID (emitted by request validation before the handler runs)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BindingErrorResponse'
        '500':
          description: Internal server error - cancellation failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/job/{job_id}/status:
    get:
      operationId: getJobStatus
      tags: [queue]
      summary: Get status of a cloud job
      deprecated: true
      description: |
        **Deprecated.** This endpoint is superseded by `GET /api/jobs/{job_id}`.
        Clients should migrate; the endpoint is retained for backward
        compatibility but will be removed in a future release.
      x-runtime: [cloud]
      parameters:
        - name: job_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The job ID to check status for.
      responses:
        "200":
          description: Job status
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/JobStatusResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '403':
          description: Forbidden - job belongs to another user
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/prompt/{prompt_id}:
    get:
      operationId: getCloudPrompt
      tags: [prompt]
      summary: Get a cloud prompt by ID
      description: "[cloud-only] Returns the full prompt record for a cloud-executed prompt, including the submitted workflow graph and execution metadata."
      x-runtime: [cloud]
      parameters:
        - name: prompt_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The prompt ID to fetch.
      responses:
        "200":
          description: Cloud prompt detail
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudPrompt"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/history_v2:
    get:
      operationId: getHistory
      tags: [history]
      summary: Get paginated execution history (v2)
      deprecated: true
      description: |
        **Deprecated.** This endpoint is superseded by `GET /api/jobs`.
        Clients should migrate; the endpoint is retained for backward
        compatibility but will be removed in a future release.
      x-runtime: [cloud]
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
            default: 20
          description: Maximum number of results
        - name: offset
          in: query
          schema:
            type: integer
            default: 0
          description: Pagination offset
        - name: status
          in: query
          schema:
            type: string
          description: Filter by execution status
      responses:
        "200":
          description: History list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HistoryResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/history_v2/{prompt_id}:
    get:
      operationId: getHistoryForPrompt
      tags: [history]
      summary: Get v2 history for a specific prompt
      deprecated: true
      description: |
        **Deprecated.** This endpoint is superseded by `GET /api/jobs/{prompt_id}`.
        Clients should migrate; the endpoint is retained for backward
        compatibility but will be removed in a future release.
      x-runtime: [cloud]
      parameters:
        - name: prompt_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The prompt ID to fetch history for.
      responses:
        "200":
          description: History entry
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HistoryDetailResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/logs:
    get:
      operationId: getLogs
      tags: [system]
      summary: Get cloud execution logs
      deprecated: true
      description: |
        **Deprecated.** This endpoint returns a static placeholder response and
        provides no real log data. It is retained only to avoid breaking clients
        that still call it. Clients should remove their dependency; the endpoint
        will be removed in a future release.
      x-runtime: [cloud]
      parameters:
        - name: job_id
          in: query
          schema:
            type: string
          description: Filter logs by job ID
        - name: limit
          in: query
          schema:
            type: integer
            default: 100
          description: Maximum number of log entries
        - name: offset
          in: query
          schema:
            type: integer
            default: 0
          description: Pagination offset
      responses:
        "200":
          description: Log entries
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/LogsResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  # ---------------------------------------------------------------------------
  # Assets extensions (cloud)
  # ---------------------------------------------------------------------------
  /api/assets/download:
    post:
      operationId: createAssetDownload
      tags: [assets]
      summary: Download assets to cloud runtime
      description: "[cloud-only] Initiates a download of one or more assets to the cloud runtime environment. Returns a task ID for tracking download progress via WebSocket."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - assets
              properties:
                assets:
                  type: array
                  items:
                    $ref: "#/components/schemas/AssetDownloadRequest"
                  description: Assets to download
      responses:
        "202":
          description: Download task accepted
          content:
            application/json:
              schema:
                type: object
                required:
                  - task_id
                  - status
                properties:
                  task_id:
                    type: string
                    format: uuid
                    description: ID of the download task; use to poll status.
                  status:
                    type: string
                    enum: [created, running, completed, failed]
                    description: Current task status (typically `created` on initial creation).
                  message:
                    type: string
                    description: Human-readable task message.
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '200':
          description: File already exists in storage - asset created/returned immediately
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AssetCreated'
        '422':
          description: Validation errors
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/export:
    post:
      operationId: createAssetExport
      tags: [assets]
      summary: Export assets as a downloadable archive
      description: "[cloud-only] Initiates a bulk export of assets. Returns a task ID for tracking progress via WebSocket. When complete, the export can be downloaded via the exports endpoint."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                job_ids:
                  type: array
                  items:
                    type: string
                  description: Job IDs whose associated assets should all be included in the ZIP bundle.
                asset_ids:
                  type: array
                  items:
                    type: string
                    format: uuid
                  description: Asset IDs to include in the ZIP bundle. Additive to assets associated with provided job IDs.
                export_name:
                  type: string
                  description: Name for the export archive
                naming_strategy:
                  type: string
                  enum: [group_by_job_id, preserve, asset_id, group_by_job_time]
                  default: group_by_job_time
                  description: "Strategy for naming files in the ZIP: group by job ID, preserve original names, use the asset ID, or group by job creation time."
                job_asset_name_filters:
                  type: object
                  additionalProperties:
                    type: array
                    minItems: 1
                    items:
                      type: string
                  description: Optional per-job asset name filters. When provided for a job ID, only assets whose name matches one of the listed names are included.
      responses:
        "202":
          description: Export task accepted
          content:
            application/json:
              schema:
                type: object
                required:
                  - task_id
                  - status
                properties:
                  task_id:
                    type: string
                    format: uuid
                    description: ID of the export task; use to poll status.
                  status:
                    type: string
                    enum: [created, running, completed, failed]
                    description: Current task status (typically `created` on initial creation).
                  message:
                    type: string
                    description: Human-readable task message.
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/exports/{exportName}:
    get:
      operationId: getAssetExport
      tags: [assets]
      summary: Download a completed asset export
      description: "[cloud-only] Returns the archive file for a completed asset export."
      x-runtime: [cloud]
      parameters:
        - name: exportName
          in: path
          required: true
          schema:
            type: string
          description: Name of the export to download
      responses:
        "200":
          description: Export archive file
          content:
            application/zip:
              schema:
                type: string
                format: binary
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: Invalid export name
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/from-workflow:
    post:
      operationId: postAssetsFromWorkflow
      tags: [assets]
      summary: Create asset records from a workflow execution
      description: "[cloud-only] Registers output files from a workflow execution as assets in the asset database."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - prompt_id
              properties:
                prompt_id:
                  type: string
                  format: uuid
                  description: Prompt ID whose outputs should be registered as assets
                tags:
                  type: array
                  items:
                    type: string
                  description: Tags to apply to the created assets
      responses:
        "200":
          description: Assets created or referenced
          content:
            application/json:
              schema:
                type: object
                properties:
                  assets:
                    type: array
                    items:
                      $ref: "#/components/schemas/Asset"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/import:
    post:
      operationId: importPublishedAssets
      tags: [assets]
      summary: "[cloud-only] Import published assets into the caller's library"
      description: |
        [cloud-only] Imports the specified published assets into the caller's asset library. New DB records reference the same storage objects; no file copying occurs. Assets the caller already owns (by hash) are deduplicated. The `id` field on each returned `AssetInfo` is the caller's newly-created private asset ID, not the published asset ID supplied in the request.
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/ImportPublishedAssetsRequest"
      responses:
        "200":
          description: Successfully imported assets
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ImportPublishedAssetsResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/assets/remote-metadata:
    get:
      operationId: getRemoteAssetMetadata
      tags: [assets]
      summary: Fetch metadata for a remote asset URL
      description: "[cloud-only] Fetches and returns metadata (content type, size, filename) for a remote URL without downloading the full content."
      x-runtime: [cloud]
      parameters:
        - name: url
          in: query
          required: true
          schema:
            type: string
            format: uri
          description: URL to inspect
      responses:
        "200":
          description: Remote metadata
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AssetMetadataResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '422':
          description: Failed to retrieve metadata from source
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Custom nodes / hub (cloud)
  # ---------------------------------------------------------------------------
  /api/experiment/nodes:
    get:
      operationId: getNodeInfoSchema
      tags: [runtime-only]
      summary: Get pre-rendered node info schema
      description: "[cloud-only] Returns the static ComfyUI object_info schema, identical for every caller, rendered once at startup with empty model/user-file context. Served by a raw HTTP handler that writes pre-rendered bytes with ETag + Cache-Control validators for RFC 7232 conditional GETs."
      x-runtime: [cloud]
      parameters:
        - name: If-None-Match
          in: header
          required: false
          schema:
            type: string
          description: Entity tag previously returned by this endpoint. When present and matching, the server returns 304 Not Modified.
      responses:
        "200":
          description: Node info schema
          headers:
            ETag:
              schema:
                type: string
              description: Entity tag for conditional request validation
            Cache-Control:
              schema:
                type: string
              description: Cache directives for the response
          content:
            application/json:
              schema:
                type: object
                additionalProperties:
                  $ref: "#/components/schemas/NodeInfo"
        "304":
          description: Not Modified  returned when the client sends a matching If-None-Match header
    post:
      operationId: installCloudNode
      tags: [node]
      summary: Install a custom node package
      description: "[cloud-only] Installs a custom node package in the cloud runtime by ID or repository URL."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - id
              properties:
                id:
                  type: string
                  description: Node package ID or repository URL
                version:
                  type: string
                  description: Specific version to install
      responses:
        "200":
          description: Node installed
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudNode"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/experiment/nodes/{id}:
    get:
      operationId: getNodeByID
      tags: [runtime-only]
      summary: Get a single node definition by ID
      description: "[cloud-only] Returns one node's definition from the pre-indexed object_info schema. Served by a raw HTTP handler that writes pre-rendered bytes with ETag + Cache-Control validators for RFC 7232 conditional GETs."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: Node class identifier
        - name: If-None-Match
          in: header
          required: false
          schema:
            type: string
          description: Entity tag previously returned by this endpoint. When present and matching, the server returns 304 Not Modified.
      responses:
        "200":
          description: Single node definition
          headers:
            ETag:
              schema:
                type: string
              description: Entity tag for conditional request validation
            Cache-Control:
              schema:
                type: string
              description: Cache directives for the response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/NodeInfo"
        "304":
          description: Not Modified  returned when the client sends a matching If-None-Match header
        "404":
          description: Node not found
    delete:
      operationId: uninstallCloudNode
      tags: [node]
      summary: Uninstall a custom node package
      description: "[cloud-only] Removes a custom node package from the cloud runtime."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: Custom node package ID
      responses:
        "204":
          description: Node uninstalled
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/hub/assets/upload-url:
    post:
      operationId: createHubAssetUploadUrl
      tags: [hub]
      summary: Get a pre-signed upload URL for a hub asset
      description: "[cloud-only] Returns a pre-signed URL that can be used to upload an asset file directly to storage."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - filename
                - content_type
              properties:
                filename:
                  type: string
                  description: Name of the file to upload
                content_type:
                  type: string
                  description: MIME type of the file
                size:
                  type: integer
                  format: int64
                  description: File size in bytes
      responses:
        "200":
          description: Upload URL
          content:
            application/json:
              schema:
                type: object
                properties:
                  upload_url:
                    type: string
                    format: uri
                    description: Pre-signed upload URL
                  asset_url:
                    type: string
                    format: uri
                    description: Public URL after upload completes
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/labels:
    get:
      operationId: listHubLabels
      tags: [hub]
      summary: List available hub labels
      description: "[cloud-only] Returns the list of labels/categories available for tagging hub content."
      x-runtime: [cloud]
      responses:
        "200":
          description: Label list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubLabelListResponse"
        '400':
          description: Bad request (e.g. invalid type parameter)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/profiles:
    get:
      operationId: listHubProfiles
      tags: [hub]
      summary: List hub user profiles
      description: "[cloud-only] Returns a paginated list of public hub user profiles."
      x-runtime: [cloud]
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
          description: Maximum number of results
        - name: offset
          in: query
          schema:
            type: integer
          description: Pagination offset
        - name: search
          in: query
          schema:
            type: string
          description: Search by username or display name
      responses:
        "200":
          description: Profile list
          content:
            application/json:
              schema:
                type: object
                properties:
                  profiles:
                    type: array
                    items:
                      $ref: "#/components/schemas/HubProfile"
                  total:
                    type: integer
                  has_more:
                    type: boolean
    post:
      operationId: createHubProfile
      tags: [hub]
      summary: Create a Hub profile
      description: "[cloud-only] Creates a hub profile for the specified workspace. Username is immutable after creation."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/CreateHubProfileRequest"
      responses:
        "201":
          description: Hub profile created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubProfile"
        "400":
          description: Bad request (e.g. invalid username)
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "409":
          description: Username already taken or profile already exists
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/profiles/{username}:
    get:
      operationId: getHubProfile
      tags: [hub]
      summary: Get a hub profile by username
      description: "[cloud-only] Returns the public hub profile for the given username."
      x-runtime: [cloud]
      parameters:
        - name: username
          in: path
          required: true
          schema:
            type: string
          description: Hub username
      responses:
        "200":
          description: Profile
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubProfile"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/profiles/check:
    get:
      operationId: checkHubUsername
      tags: [hub]
      summary: Check if a hub username is available
      description: "[cloud-only] Returns whether the given username is available for registration."
      x-runtime: [cloud]
      parameters:
        - name: username
          in: query
          required: true
          schema:
            type: string
          description: Username to check
      responses:
        "200":
          description: Availability result
          content:
            application/json:
              schema:
                type: object
                properties:
                  available:
                    type: boolean
                  username:
                    type: string

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/profiles/me:
    get:
      operationId: getMyHubProfile
      tags: [hub]
      summary: Get the authenticated user's hub profile
      description: "[cloud-only] Returns the hub profile of the currently authenticated user."
      x-runtime: [cloud]
      responses:
        "200":
          description: Profile
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubProfile"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '404':
          description: No hub profile exists
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    put:
      operationId: updateMyHubProfile
      tags: [hub]
      summary: Update the authenticated user's hub profile
      description: "[cloud-only] Updates the hub profile of the currently authenticated user."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                username:
                  type: string
                display_name:
                  type: string
                bio:
                  type: string
                avatar_url:
                  type: string
                  format: uri
                links:
                  type: array
                  items:
                    type: string
                    format: uri
      responses:
        "200":
          description: Updated profile
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubProfile"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "409":
          description: Conflict
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/hub/workflows:
    get:
      operationId: listHubWorkflows
      tags: [hub]
      summary: List published hub workflows
      description: "[cloud-only] Returns a paginated list of publicly shared workflows on the hub."
      x-runtime: [cloud]
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
          description: Maximum number of results
        - name: offset
          in: query
          schema:
            type: integer
          description: Pagination offset
        - name: sort
          in: query
          schema:
            type: string
          description: Sort field (e.g. created_at, likes)
        - name: order
          in: query
          schema:
            type: string
            enum: [asc, desc]
          description: Sort direction
        - name: search
          in: query
          schema:
            type: string
          description: Search by title or description
        - name: labels
          in: query
          schema:
            type: string
          description: Filter by label IDs (comma-separated)
      responses:
        "200":
          description: Hub workflow list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubWorkflowListResponse"
        '400':
          description: Bad request (e.g. malformed pagination cursor)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Profile not found (when filtering by username)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: publishHubWorkflow
      tags: [hub]
      summary: Publish a workflow to the hub
      description: "[cloud-only] Publishes a workflow to the hub with metadata, thumbnail, and sample images."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/PublishHubWorkflowRequest"
      responses:
        "200":
          description: Workflow published to hub
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubWorkflowDetail"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Workflow or profile not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/workflows/{share_id}:
    get:
      operationId: getHubWorkflow
      tags: [hub]
      summary: Get a published hub workflow by share ID
      description: "[cloud-only] Returns the full details of a published workflow on the hub."
      x-runtime: [cloud]
      parameters:
        - name: share_id
          in: path
          required: true
          schema:
            type: string
          description: Workflow share ID
      responses:
        "200":
          description: Hub workflow
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HubWorkflowDetail"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '413':
          description: Workflow JSON too large
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteHubWorkflow
      tags: [hub]
      summary: Unpublish a workflow from the hub
      description: "[cloud-only] Removes a workflow from the hub listing."
      x-runtime: [cloud]
      parameters:
        - name: share_id
          in: path
          required: true
          schema:
            type: string
          description: Workflow share ID
      responses:
        "204":
          description: Successfully unpublished
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Workflow not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/hub/workflows/index:
    get:
      operationId: listHubWorkflowIndex
      tags: [hub]
      summary: Get the hub workflow index
      description: "[cloud-only] Returns the lightweight index of all hub workflows for client-side search and navigation."
      x-runtime: [cloud]
      responses:
        "200":
          description: Workflow index
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/HubWorkflowIndexEntry"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Workflows (cloud)
  # ---------------------------------------------------------------------------
  /api/workflows:
    get:
      operationId: listWorkflows
      tags: [workflows]
      summary: List cloud workflows
      description: "[cloud-only] Returns a paginated list of the authenticated user's cloud workflows."
      x-runtime: [cloud]
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
          description: Maximum number of results
        - name: offset
          in: query
          schema:
            type: integer
          description: Pagination offset
        - name: sort
          in: query
          schema:
            type: string
          description: Sort field
        - name: order
          in: query
          schema:
            type: string
            enum: [asc, desc]
          description: Sort direction
        - name: search
          in: query
          schema:
            type: string
          description: Search by workflow name
      responses:
        "200":
          description: Workflow list
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowListResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: createWorkflow
      tags: [workflows]
      summary: Create a new cloud workflow
      description: "[cloud-only] Creates a new cloud workflow with the provided name and optional initial content."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
              properties:
                name:
                  type: string
                  description: Workflow name
                description:
                  type: string
                  description: Workflow description
                content:
                  type: object
                  additionalProperties: true
                  description: Initial workflow graph JSON
      responses:
        "201":
          description: Workflow created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workflows/{workflow_id}:
    get:
      operationId: getWorkflow
      tags: [workflows]
      summary: Get a cloud workflow by ID
      description: "[cloud-only] Returns the metadata for a cloud workflow."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
      responses:
        "200":
          description: Workflow detail
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    patch:
      operationId: updateWorkflow
      tags: [workflows]
      summary: Update a cloud workflow
      description: "[cloud-only] Updates the metadata (name, description) of an existing cloud workflow."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                description:
                  type: string
      responses:
        "200":
          description: Workflow updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteWorkflow
      tags: [workflows]
      summary: Delete a cloud workflow
      description: "[cloud-only] Deletes a cloud workflow and all its versions."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
      responses:
        "204":
          description: Workflow deleted
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workflows/{workflow_id}/content:
    get:
      operationId: getWorkflowContent
      tags: [workflows]
      summary: Get the content of a cloud workflow
      description: "[cloud-only] Returns the full workflow graph JSON for the latest version of a cloud workflow."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
        - name: version_id
          in: query
          schema:
            type: string
          description: Specific version ID to fetch
      responses:
        "200":
          description: Workflow content
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
                description: The full workflow graph JSON
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    put:
      operationId: updateCloudWorkflowContent
      tags: [workflows]
      summary: Update the content of a cloud workflow
      description: "[cloud-only] Saves new workflow graph JSON as a new version of the cloud workflow."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
              description: The workflow graph JSON to save
      responses:
        "200":
          description: Content updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudWorkflowVersion"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/workflows/{workflow_id}/fork:
    post:
      operationId: forkWorkflow
      tags: [workflows]
      summary: Fork a cloud workflow
      description: "[cloud-only] Creates a copy of a cloud workflow under the authenticated user's account."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID to fork.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: Name for the forked workflow (defaults to original name)
      responses:
        "201":
          description: Forked workflow
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workflows/{workflow_id}/versions:
    get:
      operationId: listCloudWorkflowVersions
      tags: [workflows]
      summary: List versions of a cloud workflow
      description: "[cloud-only] Returns the version history of a cloud workflow."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
        - name: limit
          in: query
          schema:
            type: integer
          description: Maximum number of results
        - name: offset
          in: query
          schema:
            type: integer
          description: Pagination offset
      responses:
        "200":
          description: Version list
          content:
            application/json:
              schema:
                type: object
                properties:
                  versions:
                    type: array
                    items:
                      $ref: "#/components/schemas/CloudWorkflowVersion"
                  total:
                    type: integer
                  has_more:
                    type: boolean
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
    post:
      operationId: createWorkflowVersion
      tags: [workflows]
      summary: Create a new cloud workflow version
      description: "[cloud-only] Creates a new workflow version with updated workflow JSON. Uses optimistic concurrency via base_version."
      x-runtime: [cloud]
      parameters:
        - name: workflow_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The workflow ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/CreateWorkflowVersionRequest"
      responses:
        "201":
          description: Version created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowVersionResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden  not the workflow owner
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "409":
          description: Version conflict  base_version does not match latest
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workflows/published/{share_id}:
    get:
      operationId: getPublishedWorkflow
      tags: [workflows]
      summary: Get a published workflow by share ID
      description: "[cloud-only] Returns a publicly published cloud workflow by its share identifier."
      x-runtime: [cloud]
      parameters:
        - name: share_id
          in: path
          required: true
          schema:
            type: string
          description: The workflow share ID.
      responses:
        "200":
          description: Published workflow
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PublishedWorkflowDetail"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '413':
          description: Workflow JSON too large
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Auth / session (cloud)
  # ---------------------------------------------------------------------------
  /api/auth/session:
    get:
      operationId: getAuthSession
      tags: [auth]
      summary: Get the current authentication session
      description: "[cloud-only] Returns the current session state for the authenticated user, including user identity and active workspace."
      x-runtime: [cloud]
      responses:
        "200":
          description: Session info
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AuthSession"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
    post:
      operationId: createSession
      tags: [auth]
      summary: Create a session cookie
      description: "[cloud-only] Creates a session cookie from the bearer token in the Authorization header. Returns a Set-Cookie header with a secure HttpOnly session cookie. Cookie authentication is not allowed for this endpoint."
      x-runtime: [cloud]
      responses:
        "200":
          description: Session created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CreateSessionResponse"
        "400":
          description: Bad request  invalid or expired ID token
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteSession
      tags: [auth]
      summary: Delete session cookie (logout)
      description: "[cloud-only] Clears the session cookie and optionally revokes the session on the server."
      x-runtime: [cloud]
      responses:
        "200":
          description: Session deleted
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/DeleteSessionResponse"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/auth/token:
    post:
      operationId: exchangeToken
      tags: [auth]
      summary: Exchange credentials for an access token
      description: "[cloud-only] Exchanges authentication credentials (e.g. an authorization code) for an access token."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - grant_type
              properties:
                grant_type:
                  type: string
                  enum: [authorization_code, refresh_token]
                  description: OAuth2 grant type
                code:
                  type: string
                  description: Authorization code (for authorization_code grant)
                refresh_token:
                  type: string
                  description: Refresh token (for refresh_token grant)
                redirect_uri:
                  type: string
                  format: uri
                  description: Redirect URI used in the authorization request
      responses:
        "200":
          description: Token response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ExchangeTokenResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Workspace not found or user not a member
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /.well-known/jwks.json:
    get:
      operationId: getJwks
      tags: [auth]
      summary: Get JSON Web Key Set
      description: "[cloud-only] Returns the JSON Web Key Set (JWKS) used to verify JWTs issued by the cloud authentication service."
      x-runtime: [cloud]
      responses:
        "200":
          description: JWKS
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/JwksResponse"

  # ---------------------------------------------------------------------------
  # OAuth 2.1 / RFC 7591 Dynamic Client Registration (cloud)
  # ---------------------------------------------------------------------------
  /.well-known/oauth-authorization-server:
    get:
      operationId: getOAuthAuthorizationServer
      tags: [auth]
      summary: "[cloud-only] OAuth 2.1 authorization-server metadata (RFC 8414)"
      description: "[cloud-only] Public metadata document for OAuth 2.1 clients. Cached 5 minutes."
      x-runtime: [cloud]
      security: []
      responses:
        "200":
          description: Authorization-server metadata
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthAuthorizationServerMetadata"
        "404":
          description: OAuth disabled
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /.well-known/oauth-protected-resource:
    get:
      operationId: getOAuthProtectedResource
      tags: [auth]
      summary: "[cloud-only] OAuth 2.1 protected-resource metadata (RFC 9728)"
      description: "[cloud-only] Public metadata describing the currently advertised protected resource. Cached 5 minutes."
      x-runtime: [cloud]
      security: []
      responses:
        "200":
          description: Protected-resource metadata
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthProtectedResourceMetadata"
        "404":
          description: OAuth disabled or no active resource configured
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /oauth/authorize:
    get:
      operationId: getOAuthAuthorize
      tags: [auth]
      summary: "[cloud-only] Begin or resume an OAuth 2.1 authorization request"
      description: |
        [cloud-only] Two modes:
        - **Initial entry** (OAuth params present): validates client/redirect/resource/scopes, persists a server-side authorization-request row, and either redirects (no session / unverified email) to the configured frontend login URL carrying only the opaque `oauth_request_id`, or returns the JSON consent challenge for the frontend to render.
        - **Resume** (`oauth_request_id` present): loads the server-side row, fails closed if expired/consumed/unknown, returns the JSON consent challenge. Browser-replayed OAuth params are intentionally ignored.

        The frontend renders the consent UI from the JSON payload and POSTs the user's decision back to this endpoint.
      x-runtime: [cloud]
      security: []
      parameters:
        - { name: response_type,         in: query, required: false, schema: { type: string } }
        - { name: client_id,             in: query, required: false, schema: { type: string } }
        - { name: redirect_uri,          in: query, required: false, schema: { type: string } }
        - { name: scope,                 in: query, required: false, schema: { type: string } }
        - name: state
          in: query
          required: false
          schema: { type: string }
          description: |
            RFC 6749 §10.12 marks `state` as RECOMMENDED. Cloud hardening makes it REQUIRED on the initial-entry path (omitted only on the resume path where `oauth_request_id` is supplied instead). This parameter is `required: false` at the spec level only because the operation is dual-mode (initial entry vs. resume); the runtime rejects empty `state` on the initial-entry path with a stable `invalid_request` 400.
        - { name: code_challenge,        in: query, required: false, schema: { type: string } }
        - { name: code_challenge_method, in: query, required: false, schema: { type: string } }
        - { name: resource,              in: query, required: false, schema: { type: string } }
        - { name: oauth_request_id,      in: query, required: false, schema: { type: string } }
      responses:
        "200":
          description: Consent challenge payload (session present, email verified). Frontend renders the consent UI from this payload and POSTs back to /oauth/authorize.
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthConsentChallenge"
        "302":
          description: Redirect to login (no session / unverified email) or to registered redirect_uri (pre-validated client error)
          headers:
            Location:
              schema:
                type: string
        "400":
          description: Invalid authorize request (pre-redirect failure  unknown client, redirect mismatch, malformed params)
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: OAuth disabled
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
    post:
      operationId: postOAuthAuthorize
      tags: [auth]
      summary: "[cloud-only] Submit OAuth consent decision"
      description: |
        [cloud-only] JSON-only consent submission. The handler verifies the per-row CSRF token, atomically marks the authorization request consumed (single-use covers both allow and deny paths), then returns the redirect URL the browser must navigate to. The URL contains either `code` + original `state` for allow, or the RFC 6749 §5.2 error and `state` for deny.

        Workspace membership is re-checked at submission time. Consent is persisted keyed by `(user_id, client_id, resource_id, workspace_id)`; broadening the previously approved scope set requires a fresh consent flow.
      x-runtime: [cloud]
      security: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required: [oauth_request_id, csrf_token, decision, workspace_id]
              properties:
                oauth_request_id: { type: string, format: uuid }
                csrf_token:       { type: string }
                decision:         { type: string, enum: [allow, deny] }
                workspace_id:     { type: string }
      responses:
        "200":
          description: Redirect URL for the frontend to navigate to (allow  with code+state; deny  with error+state)
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthAuthorizeRedirectResponse"
        "400":
          description: Bad request (CSRF mismatch, expired/consumed request, inaccessible workspace)
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Scope broadening on consent re-grant  fresh consent flow required
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: OAuth disabled
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /oauth/token:
    post:
      operationId: postOAuthToken
      tags: [auth]
      summary: "[cloud-only] Exchange authorization code or refresh token for a resource-bound access token"
      description: |
        [cloud-only] OAuth 2.1 token endpoint (RFC 6749 §3.2). Public clients only — `client_secret` is rejected.

        Two grant types are supported:
        - `authorization_code`  exchanges the code minted by `/oauth/authorize` (with PKCE verifier) for an access token + first refresh token. Single-use; reuse fails closed.
        - `refresh_token`  rotates the refresh token. Old token immediately invalid; presenting an already-rotated token revokes the entire token family and emits a security metric.

        Both grant types re-validate canonical user state, current workspace membership, and the resource's active flag at every mint. A code or refresh token bound to a deactivated resource fails closed.

        Errors follow RFC 6749 §5.2. Logs never contain raw codes, refresh tokens, or minted tokens.

        Per RFC 6749 §5.1, every 200 and 400 response carries `Cache-Control: no-store` and `Pragma: no-cache` so intermediaries cannot cache token-bearing or state-change-reason responses.
      x-runtime: [cloud]
      security: []
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required: [grant_type, client_id]
              properties:
                grant_type:    { type: string, enum: [authorization_code, refresh_token] }
                client_id:     { type: string }
                code:          { type: string }
                redirect_uri:  { type: string }
                code_verifier: { type: string }
                refresh_token: { type: string }
                scope:         { type: string }
                client_secret: { type: string }
      responses:
        "200":
          description: New token pair
          headers:
            Cache-Control:
              schema:
                type: string
              description: 'Always "no-store" per RFC 6749 §5.1'
            Pragma:
              schema:
                type: string
              description: 'Always "no-cache" per RFC 6749 §5.1'
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthTokenResponse"
        "400":
          description: RFC 6749 §5.2 error
          headers:
            Cache-Control:
              schema:
                type: string
              description: 'Always "no-store" per RFC 6749 §5.1'
            Pragma:
              schema:
                type: string
              description: 'Always "no-cache" per RFC 6749 §5.1'
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthTokenError"
        "404":
          description: OAuth disabled
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /oauth/register:
    post:
      operationId: postOAuthRegister
      tags: [auth]
      summary: "[cloud-only] Dynamic Client Registration (RFC 7591)"
      description: |
        [cloud-only] Public, unauthenticated, insert-only RFC 7591 §3.1 client registration. Used by MCP-spec-compliant clients to self-register a public OAuth client without operator involvement.

        Policy:

        - Public clients only  `token_endpoint_auth_method` is forced to `none`. Confidential-client registration is out of scope this phase.
        - Server-owned `resource_grants`. Caller-supplied `scope` or `resource_grants` is rejected as `invalid_client_metadata` (would be a privilege-escalation surface). Dynamic clients receive the same scopes the active resource publishes.
        - Application-type-aware redirect URI policy. `application_type=native` accepts loopback (`127.0.0.1`, `::1`, `localhost`) and reverse-DNS-shaped custom schemes; `application_type=web` accepts HTTPS to hosts in an operator-controlled allowlist only. `application_type` is REQUIRED on the request  missing or empty rejects with `invalid_client_metadata`.
        - Anti-impersonation: reserved client names are rejected from third parties via NFKC-folded compare.
        - Generated `client_id` carries a stable prefix to distinguish dynamic from seeded clients in audit logs.
        - Cache-Control: `no-store` on every 201 and 400 response (the response carries fresh credentials and rejection reasons).
      x-runtime: [cloud]
      security: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/OAuthRegisterRequest"
      responses:
        "201":
          description: Registered. Body echoes the metadata RFC 7591 §3.2.1 requires.
          headers:
            Cache-Control:
              schema:
                type: string
              description: 'Always "no-store"'
            Pragma:
              schema:
                type: string
              description: 'Always "no-cache"'
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthRegisterResponse"
        "400":
          description: RFC 7591 §3.2.2 invalid client metadata
          headers:
            Cache-Control:
              schema:
                type: string
              description: 'Always "no-store"'
            Pragma:
              schema:
                type: string
              description: 'Always "no-cache"'
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/OAuthRegisterError"
        "404":
          description: OAuth disabled
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "503":
          description: No active resource is configured  DCR cannot mint a usable client until an active resource row is seeded.
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  # ---------------------------------------------------------------------------
  # Billing (cloud)
  # ---------------------------------------------------------------------------
  /api/billing/balance:
    get:
      operationId: getBillingBalance
      tags: [billing]
      summary: Get current credit balance
      description: "[cloud-only] Returns the authenticated user's current credit balance and usage summary."
      x-runtime: [cloud]
      responses:
        "200":
          description: Balance info
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BillingBalanceResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/events:
    get:
      operationId: getBillingEvents
      tags: [billing]
      summary: List billing events
      description: "[cloud-only] Returns a paginated list of billing events (charges, credits, refunds) for the authenticated user."
      x-runtime: [cloud]
      parameters:
        - name: limit
          in: query
          schema:
            type: integer
          description: Maximum number of results
        - name: offset
          in: query
          schema:
            type: integer
          description: Pagination offset
        - name: type
          in: query
          schema:
            type: string
          description: Filter by event type
      responses:
        "200":
          description: Billing events
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BillingEventsResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/ops/{id}:
    get:
      operationId: getBillingOpStatus
      tags: [billing]
      summary: Get a billing operation by ID
      description: "[cloud-only] Returns details of a specific billing operation."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: The billing operation ID.
      responses:
        "200":
          description: Billing operation
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BillingOpStatusResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/payment-portal:
    post:
      operationId: getPaymentPortal
      tags: [billing]
      summary: Create a payment portal session
      description: "[cloud-only] Creates a Stripe customer portal session for managing payment methods and invoices. Returns a URL to redirect the user to."
      x-runtime: [cloud]
      responses:
        "200":
          description: Portal session
          content:
            application/json:
              schema:
                type: object
                properties:
                  url:
                    type: string
                    format: uri
                    description: Stripe portal URL
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: Bad request (e.g., missing return_url)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/plans:
    get:
      operationId: getBillingPlans
      tags: [billing]
      summary: List available billing plans
      description: "[cloud-only] Returns the list of available subscription plans and their pricing."
      x-runtime: [cloud]
      responses:
        "200":
          description: Plan list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/BillingPlan"

        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/preview-subscribe:
    post:
      operationId: previewSubscribe
      tags: [billing]
      summary: Preview a subscription change
      description: "[cloud-only] Returns a preview of what a subscription change would cost, including prorations."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - plan_id
              properties:
                plan_id:
                  type: string
                  description: ID of the plan to preview
      responses:
        "200":
          description: Subscription preview
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PreviewSubscribeResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/status:
    get:
      operationId: getBillingStatus
      tags: [billing]
      summary: Get billing status
      description: "[cloud-only] Returns the authenticated user's current billing and subscription status."
      x-runtime: [cloud]
      responses:
        "200":
          description: Billing status
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BillingStatusResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Workspace not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/subscribe:
    post:
      operationId: subscribe
      tags: [billing]
      summary: Subscribe to a billing plan
      description: "[cloud-only] Creates a new subscription to the specified billing plan."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - plan_id
              properties:
                plan_id:
                  type: string
                  description: ID of the plan to subscribe to
                payment_method_id:
                  type: string
                  description: Stripe payment method ID
      responses:
        "200":
          description: Subscription created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SubscribeResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/subscription/cancel:
    post:
      operationId: cancelSubscription
      tags: [billing]
      summary: Cancel the active subscription
      description: "[cloud-only] Cancels the authenticated user's active subscription. The subscription remains active until the end of the current billing period."
      x-runtime: [cloud]
      responses:
        "200":
          description: Subscription cancelled
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CancelSubscriptionResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: Invalid request (e.g., no active subscription)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/subscription/resubscribe:
    post:
      operationId: resubscribe
      tags: [billing]
      summary: Resubscribe after cancellation
      description: "[cloud-only] Reactivates a subscription that was previously cancelled but has not yet expired."
      x-runtime: [cloud]
      responses:
        "200":
          description: Subscription reactivated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/ResubscribeResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: Invalid request (e.g., no active subscription, not in cancellation grace period)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/billing/topup:
    post:
      operationId: createTopup
      tags: [billing]
      summary: Purchase additional credits
      description: "[cloud-only] Purchases a one-time credit top-up using the user's payment method on file."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - amount
              properties:
                amount:
                  type: integer
                  description: Number of credits to purchase
      responses:
        "200":
          description: Top-up successful
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CreateTopupResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # Workspace (cloud)
  # ---------------------------------------------------------------------------
  /api/workspace/api-keys:
    get:
      operationId: listWorkspaceAPIKeys
      tags: [workspace]
      summary: List workspace API keys
      description: "[cloud-only] Returns the list of API keys for the current workspace."
      x-runtime: [cloud]
      responses:
        "200":
          description: API key list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/WorkspaceApiKey"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: createWorkspaceAPIKey
      tags: [workspace]
      summary: Create a workspace API key
      description: "[cloud-only] Creates a new API key for the current workspace."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
              properties:
                name:
                  type: string
                  description: Display name for the API key
                description:
                  type: string
                  description: User-provided description of the key's purpose
                  maxLength: 5000
      responses:
        "201":
          description: API key created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CreateWorkspaceAPIKeyResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Workspace not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '429':
          description: Key limit reached
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/api-keys/{id}:
    delete:
      operationId: revokeWorkspaceAPIKey
      tags: [workspace]
      summary: Delete a workspace API key
      description: "[cloud-only] Revokes and deletes a workspace API key."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: The API key ID.
      responses:
        "204":
          description: API key deleted
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/invites:
    get:
      operationId: listWorkspaceInvites
      tags: [workspace]
      summary: List pending workspace invites
      description: "[cloud-only] Returns the list of pending invitations for the current workspace."
      x-runtime: [cloud]
      responses:
        "200":
          description: Invite list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/WorkspaceInvite"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: createWorkspaceInvite
      tags: [workspace]
      summary: Invite a user to the workspace
      description: "[cloud-only] Creates an invitation for a user to join the current workspace."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - email
              properties:
                email:
                  type: string
                  format: email
                  description: Email address to invite
                role:
                  type: string
                  enum: [admin, member]
                  description: Role to assign
      responses:
        "201":
          description: Invite created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/PendingInvite"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "409":
          description: Conflict
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Workspace not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/invites/{inviteId}:
    delete:
      operationId: revokeWorkspaceInvite
      tags: [workspace]
      summary: Cancel a workspace invite
      description: "[cloud-only] Cancels a pending workspace invitation."
      x-runtime: [cloud]
      parameters:
        - name: inviteId
          in: path
          required: true
          schema:
            type: string
          description: The invite ID.
      responses:
        "204":
          description: Invite cancelled
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/leave:
    post:
      operationId: leaveWorkspace
      tags: [workspace]
      summary: Leave the current workspace
      description: "[cloud-only] Removes the authenticated user from the current workspace."
      x-runtime: [cloud]
      responses:
        "204":
          description: Left workspace
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Workspace not found or not a member
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/members:
    get:
      operationId: listWorkspaceMembers
      tags: [workspace]
      summary: List workspace members
      description: "[cloud-only] Returns the list of members in the current workspace."
      x-runtime: [cloud]
      responses:
        "200":
          description: Member list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/WorkspaceMember"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Workspace not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/members/{user_id}/api-keys:
    get:
      operationId: listMemberApiKeys
      tags: [workspace]
      summary: List API keys for a workspace member
      description: "[cloud-only] Returns the API keys belonging to a specific workspace member. Requires admin role."
      x-runtime: [cloud]
      parameters:
        - name: user_id
          in: path
          required: true
          schema:
            type: string
          description: The member's user ID.
      responses:
        "200":
          description: API key list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/WorkspaceApiKey"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
    delete:
      operationId: bulkRevokeWorkspaceMemberAPIKeys
      tags: [workspace]
      summary: Bulk revoke a member's API keys
      description: "[cloud-only] Revokes all active API keys for a specific workspace member. Only workspace owners can perform this action."
      x-runtime: [cloud]
      parameters:
        - name: user_id
          in: path
          required: true
          schema:
            type: string
            minLength: 1
          description: The member's user ID.
      responses:
        "200":
          description: Keys revoked
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/BulkRevokeAPIKeysResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden  must be workspace owner
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '422':
          description: Validation error (e.g. empty user_id)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspace/members/{userId}:
    patch:
      operationId: updateWorkspaceMember
      tags: [workspace]
      summary: Update a workspace member's role
      description: "[cloud-only] Updates the role of a workspace member. Requires admin role."
      x-runtime: [cloud]
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
          description: The member's user ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - role
              properties:
                role:
                  type: string
                  enum: [admin, member]
                  description: New role to assign
      responses:
        "200":
          description: Member updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkspaceMember"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
    delete:
      operationId: removeWorkspaceMember
      tags: [workspace]
      summary: Remove a member from the workspace
      description: "[cloud-only] Removes a member from the current workspace. Requires admin role."
      x-runtime: [cloud]
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
          description: The member's user ID.
      responses:
        "204":
          description: Member removed
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspaces:
    get:
      operationId: listWorkspaces
      tags: [workspace]
      summary: List workspaces the user belongs to
      description: "[cloud-only] Returns the list of workspaces the authenticated user is a member of."
      x-runtime: [cloud]
      responses:
        "200":
          description: Workspace list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/Workspace"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '404':
          description: Feature not enabled for user
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: createWorkspace
      tags: [workspace]
      summary: Create a new workspace
      description: "[cloud-only] Creates a new workspace. The authenticated user becomes the owner."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
              properties:
                name:
                  type: string
                  description: Workspace name
      responses:
        "201":
          description: Workspace created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Workspace"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '404':
          description: Feature not enabled for user
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/workspaces/{id}:
    get:
      operationId: getWorkspace
      tags: [workspace]
      summary: Get a workspace by ID
      description: "[cloud-only] Returns details of a workspace the user is a member of."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: The workspace ID.
      responses:
        "200":
          description: Workspace detail
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Workspace"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    patch:
      operationId: updateWorkspace
      tags: [workspace]
      summary: Update workspace settings
      description: "[cloud-only] Updates the name or settings of a workspace. Requires admin role."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: The workspace ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: New workspace name
      responses:
        "200":
          description: Workspace updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/Workspace"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteWorkspace
      tags: [workspace]
      summary: Delete a workspace
      description: "[cloud-only] Soft-deletes a workspace. Requires owner role. Personal workspaces cannot be deleted."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: The workspace ID.
      responses:
        "204":
          description: Workspace deleted
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "403":
          description: Forbidden  must be workspace owner
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  # ---------------------------------------------------------------------------
  # User / settings / misc (cloud)
  # ---------------------------------------------------------------------------
  /api/feedback:
    post:
      operationId: submitFeedback
      tags: [user]
      summary: Submit user feedback
      description: "[cloud-only] Submits feedback from the user about their experience with the cloud runtime."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/FeedbackRequest"
      responses:
        "201":
          description: Feedback submitted
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: string
                  status:
                    type: string
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/files/mask-layers:
    get:
      operationId: getMaskLayers
      tags: [assets]
      summary: Get related mask layer filenames
      description: "[cloud-only] Given a mask file (any of the 4 layers), returns all related mask layer filenames. Used by the mask editor to load the paint, mask, and painted layers when reopening a previously edited mask."
      x-runtime: [cloud]
      parameters:
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Hash filename of any mask layer file
      responses:
        "200":
          description: Related mask layers
          content:
            application/json:
              schema:
                type: object
                properties:
                  mask:
                    type: string
                    description: Filename of the mask layer
                    nullable: true
                  paint:
                    type: string
                    description: Filename of the paint strokes layer
                    nullable: true
                  painted:
                    type: string
                    description: Filename of the painted image layer
                    nullable: true
                  painted_masked:
                    type: string
                    description: Filename of the final composite layer
                    nullable: true
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: File not found or not a mask file
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/internal/cloud_analytics:
    post:
      operationId: postCloudAnalytics
      tags: [internal]
      summary: Post client analytics events
      description: "[cloud-only] Receives analytics events from the frontend for processing by the cloud analytics pipeline."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - events
              properties:
                events:
                  type: array
                  items:
                    type: object
                    required:
                      - event_name
                    properties:
                      event_name:
                        type: string
                      timestamp:
                        type: string
                        format: date-time
                      properties:
                        type: object
                        additionalProperties: true
      responses:
        "200":
          description: Events accepted
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/invites/{token}/accept:
    post:
      operationId: acceptWorkspaceInvite
      tags: [workspace]
      summary: Accept a workspace invitation
      description: "[cloud-only] Accepts a workspace invitation using the invite token. The authenticated user is added to the workspace."
      x-runtime: [cloud]
      parameters:
        - name: token
          in: path
          required: true
          schema:
            type: string
          description: The invitation token.
      responses:
        "200":
          description: Invite accepted
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/AcceptInviteResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '403':
          description: Email does not match invite
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '409':
          description: Already a member of this workspace
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/secrets:
    get:
      operationId: listSecrets
      tags: [settings]
      summary: List user secrets
      description: "[cloud-only] Returns the list of secrets (API keys for third-party services) stored for the authenticated user. Secret values are redacted."
      x-runtime: [cloud]
      responses:
        "200":
          description: Secret list
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: "#/components/schemas/SecretMeta"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '503':
          description: Service unavailable - feature is disabled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: createSecret
      tags: [settings]
      summary: Create or update a secret
      description: "[cloud-only] Stores a new secret or updates an existing one. Secrets are encrypted at rest."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
                - value
              properties:
                name:
                  type: string
                  description: Secret name (unique per user)
                value:
                  type: string
                  description: Secret value
      responses:
        "201":
          description: Secret created
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SecretResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '409':
          description: Conflict - secret with this name or provider already exists
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '503':
          description: Service unavailable - secrets feature disabled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/secrets/{id}:
    get:
      operationId: getSecret
      tags: [settings]
      summary: Get secret metadata
      description: "[cloud-only] Returns metadata for a specific secret. Does not return the plaintext secret value."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The secret ID.
      responses:
        "200":
          description: Secret metadata
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SecretResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '403':
          description: Forbidden - user does not own this secret
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '503':
          description: Service unavailable - secrets feature disabled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    patch:
      operationId: updateSecret
      tags: [settings]
      summary: Update a secret
      description: "[cloud-only] Updates an existing secret's name and/or value. Both fields are optional; only provided fields are updated."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The secret ID.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/UpdateSecretRequest"
      responses:
        "200":
          description: Secret updated
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/SecretResponse"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "409":
          description: Conflict  a secret with this name already exists
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '403':
          description: Forbidden - user does not own this secret
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '503':
          description: Service unavailable - secrets feature disabled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    delete:
      operationId: deleteSecret
      tags: [settings]
      summary: Delete a secret
      description: "[cloud-only] Permanently deletes a stored secret."
      x-runtime: [cloud]
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
          description: The secret ID.
      responses:
        "204":
          description: Secret deleted
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '403':
          description: Forbidden - user does not own this secret
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '503':
          description: Service unavailable - secrets feature disabled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/user:
    get:
      operationId: getUser
      tags: [user]
      summary: Get the authenticated cloud user
      description: "[cloud-only] Returns the profile and account information for the currently authenticated user."
      x-runtime: [cloud]
      responses:
        "200":
          description: User profile
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/UserResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
    put:
      operationId: updateCloudUser
      tags: [user]
      summary: Update the authenticated cloud user profile
      description: "[cloud-only] Updates the profile information for the currently authenticated user."
      x-runtime: [cloud]
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                display_name:
                  type: string
                avatar_url:
                  type: string
                  format: uri
      responses:
        "200":
          description: Updated profile
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudUser"
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/userdata/{file}/publish:
    get:
      operationId: getUserdataFilePublish
      tags: [userdata]
      summary: Get publish info for a userdata file
      description: "[cloud-only] Returns the publish status and share info for a userdata workflow file."
      x-runtime: [cloud]
      parameters:
        - name: file
          in: path
          required: true
          schema:
            type: string
          description: File path relative to user data directory
      responses:
        "200":
          description: Publish info (publish_time is null if never published)
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/WorkflowPublishInfo"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Workflow not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
    post:
      operationId: postUserdataFilePublish
      tags: [userdata]
      summary: Publish a userdata file to the cloud
      description: "[cloud-only] Makes a userdata file available via a public URL for sharing or embedding."
      x-runtime: [cloud]
      parameters:
        - name: file
          in: path
          required: true
          schema:
            type: string
          description: File path relative to user data directory
      responses:
        "200":
          description: Published file URL
          content:
            application/json:
              schema:
                type: object
                properties:
                  url:
                    type: string
                    format: uri
                    description: Public URL of the published file
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/vhs/queryvideo:
    get:
      operationId: getVhsQueryVideo
      tags: [view]
      summary: Query VHS video metadata
      description: "[cloud-only] Returns metadata about a video file processed by the VHS (Video Helper Suite) integration."
      x-runtime: [cloud]
      parameters:
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Video filename
        - name: type
          in: query
          schema:
            type: string
            enum: [input, output, temp]
          description: Directory type
        - name: subfolder
          in: query
          schema:
            type: string
          description: Subfolder within the directory
      responses:
        "200":
          description: Video metadata
          content:
            application/json:
              schema:
                type: object
                additionalProperties: true
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '400':
          description: 'Missing required query parameter. Produced by the oapi-codegen
            wrapper via echo.NewHTTPError, so the body shape matches Echo''s
            default HTTPError serialization rather than ErrorResponse.
            '
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BindingErrorResponse'
  /api/vhs/viewaudio:
    get:
      operationId: viewVhsAudio
      tags: [view]
      summary: View or download VHS audio
      description: "[cloud-only] Returns audio content from a VHS-processed file."
      x-runtime: [cloud]
      parameters:
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Audio filename
        - name: type
          in: query
          schema:
            type: string
            enum: [input, output, temp]
          description: Directory type
        - name: subfolder
          in: query
          schema:
            type: string
          description: Subfolder within the directory
      responses:
        "200":
          description: Audio content
          content:
            audio/*:
              schema:
                type: string
                format: binary
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/vhs/viewvideo:
    get:
      operationId: viewVhsVideo
      tags: [view]
      summary: View or download VHS video
      description: "[cloud-only] Returns video content from a VHS-processed file."
      x-runtime: [cloud]
      parameters:
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Video filename
        - name: type
          in: query
          schema:
            type: string
            enum: [input, output, temp]
          description: Directory type
        - name: subfolder
          in: query
          schema:
            type: string
          description: Subfolder within the directory
      responses:
        "200":
          description: Video content
          content:
            video/*:
              schema:
                type: string
                format: binary
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/viewvideo:
    get:
      operationId: viewVideo
      tags: [view]
      summary: View or download a video file
      deprecated: true
      description: |
        **Deprecated.** This endpoint is an alias of `GET /api/view` added for
        legacy history-queue video playback. Callers should use `/api/view`
        directly; the endpoint is retained for backward compatibility but will
        be removed in a future release.
      x-runtime: [cloud]
      parameters:
        - name: filename
          in: query
          required: true
          schema:
            type: string
          description: Video filename
        - name: type
          in: query
          schema:
            type: string
            enum: [input, output, temp]
          description: Directory type
        - name: subfolder
          in: query
          schema:
            type: string
          description: Subfolder within the directory
      responses:
        "200":
          description: Video content
          content:
            video/*:
              schema:
                type: string
                format: binary
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

  /api/tasks:
    get:
      operationId: listTasks
      tags: [task]
      summary: List background tasks
      description: "[cloud-only] Retrieve a paginated list of background tasks for the authenticated user. Supports filtering by task type, status, and creation time."
      x-runtime: [cloud]
      parameters:
        - name: task_name
          in: query
          schema:
            type: string
          description: Filter by task type name (exact match).
        - name: idempotency_key
          in: query
          schema:
            type: string
          description: Filter by idempotency key (exact match).
        - name: status
          in: query
          schema:
            type: string
          description: Filter by one or more statuses (comma-separated).
        - name: created_after
          in: query
          schema:
            type: string
            format: date-time
          description: Filter tasks created after this timestamp.
        - name: created_before
          in: query
          schema:
            type: string
            format: date-time
          description: Filter tasks created before this timestamp.
        - name: sort_order
          in: query
          schema:
            type: string
            enum: [asc, desc]
            default: desc
          description: Sort direction by create_time.
        - name: offset
          in: query
          schema:
            type: integer
            minimum: 0
            default: 0
          description: Pagination offset (0-based).
        - name: limit
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 100
            default: 20
          description: Maximum items per page (1-100).
      responses:
        "200":
          description: Tasks retrieved
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TasksListResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "422":
          description: Validation error
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /api/tasks/{task_id}:
    get:
      operationId: getTask
      tags: [task]
      summary: Get task details
      description: "[cloud-only] Retrieve full details for a specific background task."
      x-runtime: [cloud]
      parameters:
        - name: task_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: Task identifier (UUID).
      responses:
        "200":
          description: Task details
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/TaskResponse"
        "401":
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"
        "404":
          description: Task not found
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/CloudError"

        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  parameters:
    ComfyUserHeader:
      name: Comfy-User
      in: header
      required: false
      schema:
        type: string
      description: |
        Identifies the active user in multi-user mode. Used for settings,
        userdata, and history isolation. This is not a security mechanism —
        it is an organisational convenience with no authentication behind it.

  schemas:
    # -------------------------------------------------------------------
    # Prompt
    # -------------------------------------------------------------------
    PromptRequest:
      type: object
      description: A workflow submission. Wraps the prompt graph plus optional client identifier and extra per-request data.
      required:
        - prompt
      properties:
        prompt:
          type: object
          description: |
            The workflow graph to execute. Keys are node IDs (strings);
            values are objects with class_type and inputs.
          additionalProperties: true
        number:
          type: number
          description: Priority number for the queue (lower numbers have higher priority)
        front:
          type: boolean
          description: If true, adds the prompt to the front of the queue
        extra_data:
          type: object
          description: Extra data associated with the prompt (e.g. extra_pnginfo)
          additionalProperties: true
        client_id:
          type: string
          description: WebSocket client ID to receive progress updates
        prompt_id:
          type: string
          format: uuid
          description: "Client-supplied prompt ID. Server generates a UUID if omitted."
        partial_execution_targets:
          type: array
          items:
            type: string
          description: List of node IDs to execute (partial graph execution)
        workflow_id:
          type: string
          format: uuid
          nullable: true
          x-runtime: [cloud]
          description: "[cloud-only] Cloud workflow entity ID for tracking and gallery association. Ignored by local ComfyUI."
        workflow_version_id:
          type: string
          format: uuid
          nullable: true
          x-runtime: [cloud]
          description: "[cloud-only] Cloud workflow version ID for pinning execution to a specific version. Ignored by local ComfyUI."

    PromptResponse:
      type: object
      description: Server acknowledgement of a workflow submission. Includes the assigned `prompt_id` and current queue position.
      properties:
        prompt_id:
          type: string
          format: uuid
          description: Unique identifier for the prompt execution
        number:
          type: number
          description: Priority number in the queue
        node_errors:
          type: object
          description: Validation errors keyed by node ID
          additionalProperties:
            $ref: "#/components/schemas/NodeError"
        error:
          description: Top-level prompt error (string message or structured error)
          oneOf:
            - type: string
            - $ref: "#/components/schemas/PromptError"

    PromptErrorResponse:
      type: object
      description: Error response when prompt validation fails
      additionalProperties: true

    PromptError:
      type: object
      description: Structured prompt validation error
      properties:
        type:
          type: string
        message:
          type: string
        details:
          type: string

    Error:
      type: object
      description: Detailed node-level error
      properties:
        type:
          type: string
        message:
          type: string
        details:
          type: string
        extra_info:
          type: object
          properties:
            input_name:
              type: string
          additionalProperties: true

    NodeError:
      type: object
      description: Error details for a single node
      properties:
        errors:
          type: array
          items:
            $ref: "#/components/schemas/Error"
        class_type:
          type: string
          description: The node's class type
        dependent_outputs:
          type: array
          items: {}

    PromptInfo:
      type: object
      description: Summary of a queued or recently-executed prompt, as returned by the queue and history endpoints.
      properties:
        exec_info:
          type: object
          properties:
            queue_remaining:
              type: integer
              description: Number of items remaining in the queue

    # -------------------------------------------------------------------
    # Queue
    # -------------------------------------------------------------------
    QueueInfo:
      type: object
      description: Queue information with pending and running items
      properties:
        queue_running:
          type: array
          description: Currently running queue items
          items:
            type: array
            description: |
              Queue item tuple: [number, prompt_id, prompt, extra_data, outputs_to_execute, sensitive]
            items: {}
            prefixItems:
              - type: number
                description: Priority number
              - type: string
                format: uuid
                description: prompt_id
              - type: object
                description: prompt graph
                additionalProperties: true
              - type: object
                description: extra_data
                additionalProperties: true
              - type: array
                description: outputs_to_execute (list of output node IDs)
                items:
                  type: string
              - type: object
                description: sensitive data (may be omitted)
                additionalProperties: true
        queue_pending:
          type: array
          description: Pending queue items (oldest first)
          items:
            type: array
            description: |
              Queue item tuple: [number, prompt_id, prompt, extra_data, outputs_to_execute, sensitive]
            items: {}
            prefixItems:
              - type: number
                description: Priority number
              - type: string
                format: uuid
                description: prompt_id
              - type: object
                description: prompt graph
                additionalProperties: true
              - type: object
                description: extra_data
                additionalProperties: true
              - type: array
                description: outputs_to_execute (list of output node IDs)
                items:
                  type: string
              - type: object
                description: sensitive data (may be omitted)
                additionalProperties: true

    QueueManageRequest:
      type: object
      description: Request to clear or delete from queue
      properties:
        clear:
          type: boolean
          description: If true, clear all pending items
        delete:
          type: array
          items:
            type: string
          description: Array of prompt IDs to delete from queue

    QueueManageResponse:
      type: object
      x-runtime: [cloud]
      description: >-
        [cloud-only] Result of a queue mutation. The Cloud runtime returns which
        items were deleted and whether the queue was cleared; local ComfyUI
        returns an empty 200 body.
      properties:
        deleted:
          type: array
          nullable: true
          items:
            type: string
          description: Prompt IDs that were deleted from the queue.
        cleared:
          type: boolean
          nullable: true
          description: Whether the queue was cleared.

    # -------------------------------------------------------------------
    # History
    # -------------------------------------------------------------------
    HistoryEntry:
      type: object
      description: A single execution history entry
      properties:
        prompt:
          type: array
          description: |
            Prompt tuple: [number, prompt_id, prompt_graph, extra_data, output_node_ids]
          items: {}
        outputs:
          type: object
          description: Output data from execution keyed by node ID
          additionalProperties: true
        status:
          type: object
          description: Execution status (status_str, completed, messages, etc.)
          additionalProperties: true
        meta:
          type: object
          description: Metadata about the execution and nodes
          additionalProperties: true

    HistoryManageRequest:
      type: object
      description: Request to clear or delete history entries
      properties:
        clear:
          type: boolean
          description: If true, clear all history
        delete:
          type: array
          items:
            type: string
          description: Array of prompt IDs to delete from history

    # -------------------------------------------------------------------
    # Jobs
    # -------------------------------------------------------------------
    JobEntry:
      type: object
      description: Lightweight job data for list views
      required:
        - id
        - status
      properties:
        id:
          type: string
          format: uuid
          description: Unique job identifier (same as prompt_id)
        status:
          type: string
          enum:
            - pending
            - in_progress
            - completed
            - failed
            - cancelled
          description: Current job status
        create_time:
          type: integer
          format: int64
          description: Job creation timestamp (Unix milliseconds).
        execution_start_time:
          type: integer
          format: int64
          description: Workflow execution start timestamp (Unix milliseconds, terminal states only).
        execution_end_time:
          type: integer
          format: int64
          description: Workflow execution end timestamp (Unix milliseconds, terminal states only).
        preview_output:
          type: object
          additionalProperties: true
          description: Primary preview output
        outputs_count:
          type: integer
          description: Total number of output files
        workflow_id:
          type: string
          nullable: true
          x-runtime: [cloud]
          description: "[cloud-only] UUID of the Cloud workflow entity this job is associated with. Local ComfyUI returns null."
        execution_error:
          x-runtime: [cloud]
          description: "[cloud-only] Detailed execution error from ComfyUI for failed jobs. Absent on local ComfyUI."
          allOf:
            - $ref: "#/components/schemas/ExecutionError"

    JobDetailResponse:
      type: object
      description: Full job details including workflow and outputs
      required:
        - id
        - status
      properties:
        id:
          type: string
          format: uuid
        status:
          type: string
          enum:
            - pending
            - in_progress
            - completed
            - failed
            - cancelled
        workflow:
          type: object
          additionalProperties: true
          description: Full ComfyUI workflow
        outputs:
          type: object
          additionalProperties: true
          description: Full outputs object from execution
        execution_error:
          $ref: "#/components/schemas/ExecutionError"
        create_time:
          type: integer
          format: int64
          description: Job creation timestamp (Unix milliseconds).
        update_time:
          type: integer
          format: int64
          description: Last state-change timestamp (Unix milliseconds).
        execution_start_time:
          type: integer
          format: int64
          description: Workflow execution start timestamp (Unix milliseconds, terminal states only).
        execution_end_time:
          type: integer
          format: int64
          description: Workflow execution end timestamp (Unix milliseconds, terminal states only).
        preview_output:
          type: object
          additionalProperties: true
        outputs_count:
          type: integer
        execution_status:
          type: object
          additionalProperties: true
        execution_meta:
          type: object
          additionalProperties: true

    ExecutionError:
      type: object
      description: Detailed execution error from ComfyUI
      properties:
        node_id:
          type: string
          description: ID of the node that failed
        node_type:
          type: string
          description: Type name of the node
        exception_message:
          type: string
          description: Human-readable error message
        exception_type:
          type: string
          description: Python exception type
        traceback:
          type: array
          items:
            type: string
          description: Traceback lines
        current_inputs:
          type: object
          additionalProperties: true
        current_outputs:
          type: object
          additionalProperties: true

    PaginationInfo:
      type: object
      description: Pagination metadata returned alongside list responses.
      properties:
        offset:
          type: integer
        limit:
          type: integer
        total:
          type: integer
        has_more:
          type: boolean

    # -------------------------------------------------------------------
    # Upload / View
    # -------------------------------------------------------------------
    UploadResult:
      type: object
      description: Response body returned by the image/mask upload endpoints, describing where the uploaded file now lives.
      properties:
        name:
          type: string
          description: Saved filename (may be renamed to avoid collisions)
        subfolder:
          type: string
          description: Subfolder the file was saved to
        type:
          type: string
          description: Directory type (input, temp)

    # -------------------------------------------------------------------
    # System
    # -------------------------------------------------------------------
    DeviceStats:
      type: object
      description: GPU/compute device statistics
      required:
        - name
        - type
        - index
      properties:
        name:
          type: string
          description: Device name
        type:
          type: string
          description: Device type (cuda, mps, cpu, etc.)
        index:
          type: number
          nullable: true
          description: |
            Device index within its type (e.g. CUDA ordinal for `cuda:0`,
            `cuda:1`). `null` for devices with no index, including the CPU
            device returned in `--cpu` mode (PyTorch's `torch.device('cpu').index`
            is `None`).
        vram_total:
          type: number
          description: Total VRAM in bytes
        vram_free:
          type: number
          description: Free VRAM in bytes
        torch_vram_total:
          type: number
          description: Total PyTorch-managed VRAM in bytes
        torch_vram_free:
          type: number
          description: Free PyTorch-managed VRAM in bytes

    SystemStatsResponse:
      type: object
      description: Hardware, VRAM, Python, and ComfyUI version information for the running process.
      required:
        - system
        - devices
      properties:
        system:
          type: object
          required:
            - os
            - python_version
            - embedded_python
            - comfyui_version
            - pytorch_version
            - argv
            - ram_total
            - ram_free
          properties:
            os:
              type: string
              description: Operating system
            python_version:
              type: string
              description: Python version
            embedded_python:
              type: boolean
              description: Whether using embedded Python
            comfyui_version:
              type: string
              description: ComfyUI version string
            pytorch_version:
              type: string
              description: PyTorch version
            required_frontend_version:
              type: string
              description: Required frontend version
            argv:
              type: array
              items:
                type: string
              description: Command line arguments
            ram_total:
              type: number
              description: Total RAM in bytes
            ram_free:
              type: number
              description: Free RAM in bytes
            installed_templates_version:
              type: string
              nullable: true
              description: Version of the currently installed workflow templates
            required_templates_version:
              type: string
              nullable: true
              description: Minimum required workflow templates version for this ComfyUI build
            comfy_package_versions:
              type: array
              description: Installed and required versions for every comfy* package pinned in requirements.txt
              items:
                type: object
                required:
                  - name
                  - installed
                  - required
                properties:
                  name:
                    type: string
                  installed:
                    type: string
                    nullable: true
                  required:
                    type: string
                    nullable: true
        devices:
          type: array
          items:
            $ref: "#/components/schemas/DeviceStats"

    # -------------------------------------------------------------------
    # Node / Object Info
    # -------------------------------------------------------------------
    NodeInfo:
      type: object
      description: 'Definition of a registered node class: its inputs, outputs, category, and display metadata.'
      properties:
        input:
          type: object
          description: Input specifications (required and optional groups)
          additionalProperties: true
        input_order:
          type: object
          description: Ordered input names per group
          additionalProperties:
            type: array
            items:
              type: string
        output:
          type: array
          items:
            type: string
          description: Output type names
        output_is_list:
          type: array
          items:
            type: boolean
          description: Whether each output is a list
        output_name:
          type: array
          items:
            type: string
          description: Display names of outputs
        name:
          type: string
          description: Internal class name
        display_name:
          type: string
          description: Human-readable display name
        description:
          type: string
          description: Node description
        python_module:
          type: string
          description: Python module implementing the node
        category:
          type: string
          description: Node category path
        output_node:
          type: boolean
          description: Whether this is an output node
        output_tooltips:
          type: array
          items:
            type: string
          description: Tooltips for each output
        deprecated:
          type: boolean
          description: Whether the node is deprecated
        experimental:
          type: boolean
          description: Whether the node is experimental
        api_node:
          type: boolean
          description: Whether this is an API node
        is_input_list:
          type: boolean
          description: Whether the node accepts list inputs
        dev_only:
          type: boolean
          description: Whether the node is developer-only (hidden in production UI)
        has_intermediate_output:
          type: boolean
          description: Whether the node emits intermediate output during execution
        search_aliases:
          type: array
          items:
            type: string
          description: Alternative search terms for finding this node
        essentials_category:
          type: string
          nullable: true
          description: |
            Category override used by the essentials pack. The
            `essentials_category` key may be present with a string value,
            present and `null`, or absent entirely:

            - V1 nodes: `essentials_category` is **omitted** when the node
              class doesn't define an `ESSENTIALS_CATEGORY` attribute, and
              **`null`** if the attribute is explicitly set to `None`.
            - V3 nodes (`comfy_api.latest.io`): `essentials_category` is
              **always present**, and **`null`** for nodes whose `Schema`
              doesn't populate it.

    # -------------------------------------------------------------------
    # Models
    # -------------------------------------------------------------------
    ModelFolder:
      type: object
      description: A configured model folder and the list of disk paths it resolves to.
      required:
        - name
        - folders
      properties:
        name:
          type: string
          description: Model folder type name (e.g. "checkpoints")
        folders:
          type: array
          items:
            type: string
          description: Filesystem paths for this model type

    ModelFile:
      type: object
      description: A single model file in a folder, with filesystem metadata.
      required:
        - name
        - pathIndex
      properties:
        name:
          type: string
          description: Model filename
        pathIndex:
          type: integer
          description: Index into the folder's paths array
        modified:
          type: number
          description: File modification timestamp
        created:
          type: number
          description: File creation timestamp
        size:
          type: integer
          format: int64
          description: File size in bytes

    # -------------------------------------------------------------------
    # Subgraphs
    # -------------------------------------------------------------------
    GlobalSubgraphInfo:
      type: object
      description: Metadata for a global subgraph blueprint (without full data)
      required:
        - source
        - name
        - info
      properties:
        source:
          type: string
          description: Source type ("templates" or "custom_node")
        name:
          type: string
          description: Display name of the subgraph blueprint
        info:
          type: object
          description: Additional information about the subgraph
          required:
            - node_pack
          properties:
            node_pack:
              type: string
              description: The node pack/module providing this subgraph
        data:
          type: string
          description: The full subgraph JSON data (may be empty in list view)

    GlobalSubgraphData:
      type: object
      description: Full data for a global subgraph blueprint
      required:
        - source
        - name
        - info
        - data
      properties:
        source:
          type: string
          description: Source type ("templates" or "custom_node")
        name:
          type: string
          description: Display name of the subgraph blueprint
        info:
          type: object
          description: Additional information about the subgraph
          required:
            - node_pack
          properties:
            node_pack:
              type: string
              description: The node pack/module providing this subgraph
        data:
          type: string
          description: The full subgraph JSON data as a string

    # -------------------------------------------------------------------
    # Userdata
    # -------------------------------------------------------------------
    UserDataResponse:
      description: |
        Response body for the POST endpoints `/api/userdata/{file}` and
        `/api/userdata/{file}/move/{dest}`. Returns a single item whose
        shape depends on the `full_info` query parameter.
      x-variant-selector:
        full_info=true: file-info object (`GetUserDataResponseFullFile`)
        default: relative path string
      oneOf:
        - $ref: "#/components/schemas/GetUserDataResponseFullFile"
        - type: string
          description: Relative path of the written or moved file. Returned when `full_info` is absent or false.

    ListUserdataResponse:
      description: |
        Response body for `GET /api/userdata`. The array item shape is
        determined by the `full_info` and `split` query parameters.
      x-variant-selector:
        full_info=true: array of file-info objects (`GetUserDataResponseFullFile`)
        split=true: array of `[relative_path, ...path_components]` arrays
        default: array of relative path strings
      oneOf:
        - type: array
          items:
            $ref: "#/components/schemas/GetUserDataResponseFullFile"
          description: Returned when `full_info=true`.
        - type: array
          items:
            type: array
            items:
              type: string
            minItems: 2
          description: |
            Returned when `split=true` and `full_info=false`. Each inner
            array is `[relative_path, ...path_components]`.
        - type: array
          items:
            type: string
          description: Default shape  array of file paths relative to the user data root.

    GetUserDataResponseFullFile:
      type: object
      description: A single entry in a full-info user data listing.
      properties:
        path:
          type: string
          description: File name or path relative to the user directory
        created:
          type: number
          description: Unix timestamp of file creation
        size:
          type: integer
          description: File size in bytes
        modified:
          type: integer
          format: int64
          description: Unix timestamp of last modification in milliseconds

    # -------------------------------------------------------------------
    # Assets
    # -------------------------------------------------------------------
    Asset:
      type: object
      description: A registered asset  an input/output file tracked in the asset database with content hash and metadata.
      required:
        - id
        - name
        - size
        - created_at
        - updated_at
      properties:
        id:
          type: string
          format: uuid
          description: Unique identifier for the asset
        name:
          type: string
          description: Name of the asset file
        hash:
          type: string
          nullable: true
          description: Blake3 content hash of the asset (preferred over asset_hash)
          pattern: "^blake3:[a-f0-9]{64}$"
        asset_hash:
          type: string
          nullable: true
          deprecated: true
          description: "Deprecated: use `hash` instead. Blake3 hash of the asset content."
          pattern: "^blake3:[a-f0-9]{64}$"
        size:
          type: integer
          format: int64
          description: Size of the asset in bytes
        mime_type:
          type: string
          description: MIME type of the asset
        tags:
          type: array
          items:
            type: string
          description: Tags associated with the asset
        user_metadata:
          type: object
          description: Custom user metadata
          additionalProperties: true
        metadata:
          type: object
          description: System-managed metadata (read-only)
          additionalProperties: true
          readOnly: true
        preview_url:
          type: string
          format: uri
          description: URL for asset preview/thumbnail
        preview_id:
          type: string
          format: uuid
          description: ID of the preview asset if available
        prompt_id:
          type: string
          format: uuid
          nullable: true
          deprecated: true
          description: "Deprecated: use job_id instead. ID of the prompt that created this asset."
        job_id:
          type: string
          format: uuid
          nullable: true
          description: ID of the job that created this asset
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time
        last_access_time:
          type: string
          format: date-time
        is_immutable:
          type: boolean
          description: Whether this asset is immutable

    AssetCreated:
      description: Response body returned after successfully registering a new asset.
      allOf:
        - $ref: "#/components/schemas/Asset"
        - type: object
          required:
            - created_new
          properties:
            created_new:
              type: boolean
              description: Whether this was a new creation (true) or returned existing (false)

    AssetUpdated:
      type: object
      description: Response body returned after updating an asset's metadata.
      required:
        - id
        - updated_at
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        hash:
          type: string
          nullable: true
          description: Blake3 content hash of the asset (preferred over asset_hash)
          pattern: "^blake3:[a-f0-9]{64}$"
        asset_hash:
          type: string
          nullable: true
          deprecated: true
          description: "Deprecated: use `hash` instead. Blake3 hash of the asset content."
          pattern: "^blake3:[a-f0-9]{64}$"
        tags:
          type: array
          items:
            type: string
        mime_type:
          type: string
        user_metadata:
          type: object
          additionalProperties: true
        prompt_id:
          type: string
          format: uuid
          nullable: true
          deprecated: true
          description: "Deprecated: use job_id instead. ID of the prompt that created this asset."
        job_id:
          type: string
          format: uuid
          nullable: true
          description: ID of the job that created this asset
        updated_at:
          type: string
          format: date-time

    ListAssetsResponse:
      type: object
      description: Paginated list of assets.
      required:
        - assets
        - total
        - has_more
      properties:
        assets:
          type: array
          items:
            $ref: "#/components/schemas/Asset"
        total:
          type: integer
        has_more:
          type: boolean

    TagInfo:
      type: object
      description: A tag known to the asset database, with the number of assets bearing it.
      required:
        - name
        - count
      properties:
        name:
          type: string
        count:
          type: integer

    ListTagsResponse:
      type: object
      description: Flat list of all tags, with counts.
      required:
        - tags
        - total
        - has_more
      properties:
        tags:
          type: array
          items:
            $ref: "#/components/schemas/TagInfo"
        total:
          type: integer
        has_more:
          type: boolean

    AssetTagHistogramResponse:
      type: object
      description: Tags that would refine a filtered asset query, with the count of assets each tag would additionally select.
      required:
        - tag_counts
      properties:
        tag_counts:
          type: object
          additionalProperties:
            type: integer
          description: Map of tag names to occurrence counts

    TagsModificationResponse:
      type: object
      description: Response body returned after adding or removing tags on an asset.
      required:
        - total_tags
      properties:
        added:
          type: array
          items:
            type: string
          description: Tags successfully added
        removed:
          type: array
          items:
            type: string
          description: Tags successfully removed
        already_present:
          type: array
          items:
            type: string
          description: Tags already present (for add)
        not_present:
          type: array
          items:
            type: string
          description: Tags not present (for remove)
        total_tags:
          type: array
          items:
            type: string
          description: All tags on the asset after the operation

    # -------------------------------------------------------------------
    # Result / Output types
    # -------------------------------------------------------------------
    ResultItem:
      type: object
      description: A single output file reference
      properties:
        filename:
          type: string
        subfolder:
          type: string
        type:
          type: string
          enum: [input, output, temp]
        display_name:
          type: string

    NodeOutputs:
      type: object
      description: |
        Outputs from a single node execution. Known keys are listed below,
        but custom nodes may add arbitrary keys (additionalProperties).
      properties:
        images:
          type: array
          items:
            $ref: "#/components/schemas/ResultItem"
        audio:
          type: array
          items:
            $ref: "#/components/schemas/ResultItem"
        video:
          type: array
          items:
            $ref: "#/components/schemas/ResultItem"
        animated:
          type: array
          items:
            type: boolean
        text:
          oneOf:
            - type: string
            - type: array
              items:
                type: string
      additionalProperties: true

    TerminalSize:
      type: object
      description: Terminal dimensions
      properties:
        cols:
          type: number
        row:
          type: number

    LogEntry:
      type: object
      description: A single log entry
      properties:
        t:
          type: string
          description: Timestamp
        m:
          type: string
          description: Log message

    StatusWsMessageStatus:
      type: object
      description: Inner payload of a `status` WebSocket message, describing the execution queue state.
      properties:
        exec_info:
          type: object
          required:
            - queue_remaining
          properties:
            queue_remaining:
              type: integer

    StatusWsMessage:
      type: object
      description: Initial status message sent on connect + queue status updates
      properties:
        status:
          $ref: "#/components/schemas/StatusWsMessageStatus"
        sid:
          type: string
          description: Session ID assigned by the server

    ProgressWsMessage:
      type: object
      description: Node execution progress (step N of M)
      required:
        - value
        - max
        - prompt_id
        - node
      properties:
        value:
          type: integer
          description: Current step
        max:
          type: integer
          description: Total steps
        prompt_id:
          type: string
        node:
          type: string
          description: Node ID currently executing

    ProgressTextWsMessage:
      type: object
      description: Text-based progress update from a node
      properties:
        nodeId:
          type: string
        text:
          type: string
        prompt_id:
          type: string

    NodeProgressState:
      type: object
      description: Progress state for a single node
      properties:
        value:
          type: number
        max:
          type: number
        state:
          type: string
          enum: [pending, running, finished, error]
        node_id:
          type: string
        prompt_id:
          type: string
        display_node_id:
          type: string
        parent_node_id:
          type: string
        real_node_id:
          type: string

    ProgressStateWsMessage:
      type: object
      description: Bulk progress state for all nodes in a prompt
      required:
        - prompt_id
        - nodes
      properties:
        prompt_id:
          type: string
        nodes:
          type: object
          description: Map of node ID to progress state
          additionalProperties:
            $ref: "#/components/schemas/NodeProgressState"

    ExecutingWsMessage:
      type: object
      description: Fired when a node begins execution
      required:
        - node
        - display_node
        - prompt_id
      properties:
        node:
          type: string
          description: Node ID
        display_node:
          type: string
          description: Display node ID (may differ for subgraphs)
        prompt_id:
          type: string

    ExecutedWsMessage:
      type: object
      description: Fired when a node completes execution with output
      required:
        - node
        - display_node
        - prompt_id
        - output
      properties:
        node:
          type: string
        display_node:
          type: string
        prompt_id:
          type: string
        output:
          $ref: "#/components/schemas/NodeOutputs"
        merge:
          type: boolean
          description: Whether to merge with existing output

    ExecutionWsMessageBase:
      type: object
      description: Base fields for execution lifecycle messages
      required:
        - prompt_id
        - timestamp
      properties:
        prompt_id:
          type: string
        timestamp:
          type: integer
          description: Unix timestamp in milliseconds

    ExecutionStartWsMessage:
      allOf:
        - $ref: "#/components/schemas/ExecutionWsMessageBase"
      description: Fired when prompt execution begins

    ExecutionSuccessWsMessage:
      allOf:
        - $ref: "#/components/schemas/ExecutionWsMessageBase"
      description: Fired when prompt execution completes successfully

    ExecutionCachedWsMessage:
      allOf:
        - $ref: "#/components/schemas/ExecutionWsMessageBase"
        - type: object
          properties:
            nodes:
              type: array
              items:
                type: string
              description: List of node IDs that were cached
      description: Fired when nodes are served from cache

    ExecutionInterruptedWsMessage:
      allOf:
        - $ref: "#/components/schemas/ExecutionWsMessageBase"
        - type: object
          properties:
            node_id:
              type: string
            node_type:
              type: string
            executed:
              type: array
              items:
                type: string
              description: Node IDs that completed before interruption
      description: Fired when execution is interrupted by user

    ExecutionErrorWsMessage:
      allOf:
        - $ref: "#/components/schemas/ExecutionWsMessageBase"
        - type: object
          properties:
            node_id:
              type: string
            node_type:
              type: string
            executed:
              type: array
              items:
                type: string
            exception_message:
              type: string
            exception_type:
              type: string
            traceback:
              type: array
              items:
                type: string
            current_inputs: {}
            current_outputs: {}
      description: Fired when a node throws an exception during execution

    LogsWsMessage:
      type: object
      description: Streaming log entries from the server
      properties:
        size:
          $ref: "#/components/schemas/TerminalSize"
        entries:
          type: array
          items:
            $ref: "#/components/schemas/LogEntry"

    NotificationWsMessage:
      type: object
      description: Server notification (e.g. model download complete)
      properties:
        value:
          type: string
        id:
          type: string

    FeatureFlagsWsMessage:
      type: object
      description: Feature flags sent on connect
      additionalProperties: true

    AssetDownloadWsMessage:
      type: object
      description: Asset download progress
      required:
        - task_id
        - asset_name
        - bytes_total
        - bytes_downloaded
        - progress
        - status
      properties:
        task_id:
          type: string
        asset_name:
          type: string
        bytes_total:
          type: number
        bytes_downloaded:
          type: number
        progress:
          type: number
          description: 0.0 to 1.0
        status:
          type: string
          enum: [created, running, completed, failed]
        asset_id:
          type: string
        error:
          type: string

    AssetExportWsMessage:
      type: object
      description: Bulk asset export progress
      required:
        - task_id
        - assets_total
        - assets_attempted
        - assets_failed
        - bytes_total
        - bytes_processed
        - progress
        - status
      properties:
        task_id:
          type: string
        export_name:
          type: string
        assets_total:
          type: number
        assets_attempted:
          type: number
        assets_failed:
          type: number
        bytes_total:
          type: number
        bytes_processed:
          type: number
        progress:
          type: number
          description: 0.0 to 1.0
        status:
          type: string
          enum: [created, running, completed, failed]
        error:
          type: string

    # -------------------------------------------------------------------
    # Cloud-runtime schemas
    #
    # These schemas are exclusively referenced by cloud-runtime operations.
    # Tagged x-runtime: [cloud].
    # -------------------------------------------------------------------
    CloudError:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Standard error response from cloud endpoints."
      required:
        - error
      properties:
        error:
          type: string
          description: Error message
        code:
          type: string
          description: Machine-readable error code
        details:
          type: object
          additionalProperties: true
          description: Additional error context

    CloudJobStatus:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Status of a cloud job."
      required:
        - id
        - status
      properties:
        id:
          type: string
          format: uuid
        status:
          type: string
          enum: [pending, running, completed, failed, cancelled]
        progress:
          type: number
          minimum: 0
          maximum: 1
          description: "Execution progress (0.0 to 1.0)"
        started_at:
          type: string
          format: date-time
          nullable: true
        completed_at:
          type: string
          format: date-time
          nullable: true

    CloudPrompt:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A cloud-executed prompt record."
      required:
        - id
        - status
      properties:
        id:
          type: string
          format: uuid
        status:
          type: string
        workflow:
          type: object
          additionalProperties: true
        outputs:
          type: object
          additionalProperties: true
        created_at:
          type: string
          format: date-time
        completed_at:
          type: string
          format: date-time
          nullable: true

    HistoryV2Response:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Paginated execution history in v2 format."
      required:
        - items
        - total
        - has_more
      properties:
        items:
          type: array
          items:
            $ref: "#/components/schemas/HistoryV2Entry"
        total:
          type: integer
        has_more:
          type: boolean

    HistoryV2Entry:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A single execution history entry in v2 format."
      required:
        - id
        - status
      properties:
        id:
          type: string
          format: uuid
        status:
          type: string
        workflow:
          type: object
          additionalProperties: true
        outputs:
          type: object
          additionalProperties: true
        created_at:
          type: string
          format: date-time
        started_at:
          type: string
          format: date-time
          nullable: true
        completed_at:
          type: string
          format: date-time
          nullable: true
        preview_output:
          type: object
          additionalProperties: true

    CloudLogsResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Paginated cloud execution logs."
      required:
        - entries
      properties:
        entries:
          type: array
          items:
            type: object
            properties:
              timestamp:
                type: string
                format: date-time
              level:
                type: string
                enum: [debug, info, warn, error]
              message:
                type: string
              job_id:
                type: string
                format: uuid
        total:
          type: integer
        has_more:
          type: boolean

    AssetDownloadRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A single asset to download to the cloud runtime."
      required:
        - asset_id
      properties:
        asset_id:
          type: string
          format: uuid
          description: ID of the asset to download
        target_path:
          type: string
          description: Target path on the runtime filesystem

    ImportPublishedAssetsRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Request body for importing published assets into the caller's library."
      required:
        - published_asset_ids
      properties:
        published_asset_ids:
          type: array
          description: IDs of published assets (inputs and models) to import.
          items:
            type: string
        share_id:
          type: string
          nullable: true
          description: |
            Optional. Share ID of the published workflow these assets belong to. When provided (non-null, non-empty): all `published_asset_ids` must belong to this share's workflow version; returns 400 if the share is not found or any asset does not belong to it. When omitted, null, or empty string: no share-scoped validation is performed and the assets are validated only against global rules (preserved for clients that have not yet adopted `share_id`).

    ImportPublishedAssetsResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Response after importing published assets. Each returned `AssetInfo.id` is the caller's newly-created private asset ID, not the published asset ID supplied in the request."
      required:
        - assets
      properties:
        assets:
          type: array
          items:
            $ref: "#/components/schemas/AssetInfo"

    RemoteAssetMetadata:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Metadata fetched from a remote asset URL."
      properties:
        content_type:
          type: string
          description: MIME type of the remote file
        content_length:
          type: integer
          format: int64
          description: Size in bytes
        filename:
          type: string
          description: Suggested filename from Content-Disposition or URL

    CloudNode:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] An installed custom node package in the cloud runtime."
      required:
        - id
        - name
      properties:
        id:
          type: string
        name:
          type: string
        version:
          type: string
        description:
          type: string
        author:
          type: string
        repository:
          type: string
          format: uri
        installed_at:
          type: string
          format: date-time
        enabled:
          type: boolean

    HubLabel:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A label/category used for tagging hub content."
      required:
        - id
        - name
      properties:
        id:
          type: string
        name:
          type: string
        description:
          type: string
        color:
          type: string
          description: Hex color code for the label

    HubProfile:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A public user profile on the ComfyUI Hub."
      required:
        - username
      properties:
        username:
          type: string
        display_name:
          type: string
        bio:
          type: string
        avatar_url:
          type: string
          format: uri
        links:
          type: array
          items:
            type: string
            format: uri
        workflow_count:
          type: integer
        created_at:
          type: string
          format: date-time

    HubWorkflow:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A published workflow on the ComfyUI Hub."
      required:
        - share_id
        - name
      properties:
        share_id:
          type: string
        name:
          type: string
        description:
          type: string
        author:
          $ref: "#/components/schemas/HubProfile"
        labels:
          type: array
          items:
            $ref: "#/components/schemas/HubLabel"
        thumbnail_url:
          type: string
          format: uri
        content:
          type: object
          additionalProperties: true
          description: Workflow graph JSON
        likes:
          type: integer
        views:
          type: integer
        forks:
          type: integer
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time

    HubWorkflowList:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Paginated list of hub workflows."
      required:
        - workflows
        - total
        - has_more
      properties:
        workflows:
          type: array
          items:
            $ref: "#/components/schemas/HubWorkflow"
        total:
          type: integer
        has_more:
          type: boolean

    HubWorkflowIndexEntry:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Lightweight entry in the hub workflow index for client-side search."
      required:
        - share_id
        - name
      properties:
        share_id:
          type: string
        name:
          type: string
        author_username:
          type: string
        labels:
          type: array
          items:
            type: string
        likes:
          type: integer
        updated_at:
          type: string
          format: date-time

    CloudWorkflow:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A cloud-managed workflow with version history."
      required:
        - id
        - name
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        description:
          type: string
        share_id:
          type: string
          nullable: true
          description: Public share identifier if published
        latest_version_id:
          type: string
          format: uuid
          nullable: true
        thumbnail_url:
          type: string
          format: uri
          nullable: true
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time

    CloudWorkflowList:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Paginated list of cloud workflows."
      required:
        - workflows
        - total
        - has_more
      properties:
        workflows:
          type: array
          items:
            $ref: "#/components/schemas/CloudWorkflow"
        total:
          type: integer
        has_more:
          type: boolean

    CloudWorkflowVersion:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A version of a cloud workflow."
      required:
        - id
        - workflow_id
      properties:
        id:
          type: string
          format: uuid
        workflow_id:
          type: string
          format: uuid
        version_number:
          type: integer
        created_at:
          type: string
          format: date-time

    AuthSession:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Current authentication session state."
      required:
        - user
      properties:
        user:
          $ref: "#/components/schemas/CloudUser"
        workspace:
          $ref: "#/components/schemas/Workspace"
        expires_at:
          type: string
          format: date-time

    AuthTokenResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] OAuth2 token response."
      required:
        - access_token
        - token_type
      properties:
        access_token:
          type: string
        token_type:
          type: string
          description: Always "Bearer"
        expires_in:
          type: integer
          description: Token lifetime in seconds
        refresh_token:
          type: string
          nullable: true
        scope:
          type: string

    JwksResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] JSON Web Key Set for JWT verification."
      required:
        - keys
      properties:
        keys:
          type: array
          items:
            type: object
            required:
              - kty
              - kid
              - use
            properties:
              kty:
                type: string
                description: Key type (e.g. RSA)
              kid:
                type: string
                description: Key ID
              use:
                type: string
                description: Key use (e.g. sig)
              alg:
                type: string
                description: Algorithm (e.g. RS256)
              n:
                type: string
                description: RSA modulus (base64url)
              e:
                type: string
                description: RSA exponent (base64url)
            additionalProperties: true

    OAuthAuthorizationServerMetadata:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] OAuth 2.1 authorization-server metadata (RFC 8414)."
      required:
        - issuer
        - authorization_endpoint
        - token_endpoint
        - jwks_uri
        - response_types_supported
        - grant_types_supported
        - code_challenge_methods_supported
        - token_endpoint_auth_methods_supported
      properties:
        issuer:
          type: string
          format: uri
        authorization_endpoint:
          type: string
          format: uri
        token_endpoint:
          type: string
          format: uri
        jwks_uri:
          type: string
          format: uri
        registration_endpoint:
          type: string
          format: uri
          description: "[cloud-only] RFC 7591 §3.1 Dynamic Client Registration endpoint. Advertised so MCP-spec-compliant clients can auto-discover and self-register without operator involvement. Present only when DCR is enabled."
        response_types_supported:
          type: array
          items:
            type: string
        grant_types_supported:
          type: array
          items:
            type: string
        code_challenge_methods_supported:
          type: array
          items:
            type: string
        token_endpoint_auth_methods_supported:
          type: array
          items:
            type: string
        scopes_supported:
          type: array
          items:
            type: string

    OAuthProtectedResourceMetadata:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] OAuth 2.1 protected-resource metadata (RFC 9728)."
      required:
        - resource
        - authorization_servers
        - scopes_supported
      properties:
        resource:
          type: string
          format: uri
        authorization_servers:
          type: array
          items:
            type: string
            format: uri
        scopes_supported:
          type: array
          items:
            type: string
        bearer_methods_supported:
          type: array
          items:
            type: string

    OAuthConsentChallenge:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Server-side state describing the OAuth consent decision the user is being asked to make. Returned by GET /oauth/authorize when a valid session exists; the frontend renders the consent UI from this payload and POSTs the decision back. Browser never sees the original OAuth params on resume."
      required:
        - oauth_request_id
        - csrf_token
        - client_display_name
        - resource_display_name
        - scopes
        - workspaces
      properties:
        oauth_request_id:
          type: string
          format: uuid
          description: Opaque server-side identifier for the authorization-request row. Carried back unchanged in the consent submission.
        csrf_token:
          type: string
          description: Per-row CSRF token bound to this authorization request (not to the session). Must be echoed back on POST.
        client_display_name:
          type: string
          description: Human-readable name of the OAuth client requesting authorization.
        resource_display_name:
          type: string
          description: Human-readable name of the protected resource.
        scopes:
          type: array
          description: Scopes the client is requesting for this resource. The frontend should present these for the user to approve.
          items:
            type: string
        workspaces:
          type: array
          description: Workspaces the user can select from. Membership is re-checked on POST.
          items:
            $ref: "#/components/schemas/OAuthConsentChallengeWorkspace"

    OAuthConsentChallengeWorkspace:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] One workspace option presented in the OAuth consent challenge."
      required: [id, name, type, role]
      properties:
        id:   { type: string }
        name: { type: string }
        type: { type: string, enum: [personal, team] }
        role: { type: string, enum: [owner, member] }

    OAuthAuthorizeRedirectResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Redirect target produced after a JSON consent submission. The frontend must navigate the browser to this URL so custom-scheme client callbacks work without relying on fetch-visible 302 headers."
      required:
        - redirect_url
      properties:
        redirect_url:
          type: string
          format: uri
          description: OAuth client redirect URI with either code+state for allow, or error+state for deny.

    OAuthTokenResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] RFC 6749 §5.1 successful token response."
      required: [access_token, token_type, expires_in, refresh_token, scope]
      properties:
        access_token:
          type: string
          description: Resource-bound access token (audience matches the protected resource).
        token_type:
          type: string
          enum: [Bearer]
        expires_in:
          type: integer
          description: Access token lifetime in seconds.
        refresh_token:
          type: string
          description: Opaque refresh token. Rotates on every successful refresh; presenting an already-rotated token revokes the entire family.
        scope:
          type: string
          description: Space-delimited scopes granted with this token.

    OAuthTokenError:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] RFC 6749 §5.2 error response."
      required: [error]
      properties:
        error:
          type: string
          description: 'RFC 6749 §5.2 error code: invalid_request, invalid_client, invalid_grant, unauthorized_client, unsupported_grant_type, invalid_scope.'
        error_description:
          type: string
          description: Human-readable, no leak of internal storage state.

    OAuthRegisterRequest:
      type: object
      x-runtime: [cloud]
      additionalProperties: false
      description: "[cloud-only] RFC 7591 §2 client metadata document. Only the fields the server honors are listed; presence of `scope` or `resource_grants` in the request is rejected (`invalid_client_metadata`) because those are server-owned for dynamic clients."
      required:
        - redirect_uris
        - application_type
      properties:
        redirect_uris:
          type: array
          items:
            type: string
          minItems: 1
          maxItems: 5
          description: 1–5 redirect URIs. Validated against `application_type` policy.
        client_name:
          type: string
          maxLength: 100
          description: Human-readable name shown in the consent UI. Reserved-name list rejects impersonation of major clients.
        application_type:
          type: string
          enum: [native, web]
          description: |
            RFC 7591 §2 application_type. **REQUIRED** — clients MUST declare intent; the server does not default this field. `native` for desktop / CLI / MCP-spec-strict clients (loopback redirects); `web` for hosted clients (HTTPS only, host must be allowlisted). A missing or explicitly empty `application_type` rejects with `invalid_client_metadata`.
        token_endpoint_auth_method:
          type: string
          enum: [none]
          description: 'Public clients only this phase — must be `none` if present. The server forces `none` regardless.'
        grant_types:
          type: array
          items:
            type: string
            enum: [authorization_code, refresh_token]
          description: Optional. Defaults to `["authorization_code","refresh_token"]`.
        response_types:
          type: array
          items:
            type: string
            enum: [code]
          description: Optional. Defaults to `["code"]`.
        scope:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Dynamic clients do not pick scopes — the server assigns scopes from the active resource's published list. Sending `scope` in the registration body is treated as a privilege-escalation attempt and returns `invalid_client_metadata`."
        resource_grants:
          type: object
          nullable: true
          additionalProperties:
            type: array
            items:
              type: string
          description: "**REJECTED IF PRESENT.** Same reason as `scope`. The set of resources and scopes a dynamic client may request is server-policy, not request-driven."
        client_uri:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        logo_uri:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        tos_uri:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        policy_uri:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        software_id:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        software_version:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        contacts:
          type: array
          nullable: true
          items:
            type: string
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        jwks:
          type: object
          nullable: true
          additionalProperties: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."
        jwks_uri:
          type: string
          nullable: true
          description: "**REJECTED IF PRESENT.** Unsupported RFC 7591 metadata for this public-client phase."

    OAuthRegisterResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] RFC 7591 §3.2.1 successful registration response."
      required:
        - client_id
        - client_id_issued_at
        - redirect_uris
        - grant_types
        - response_types
        - token_endpoint_auth_method
        - application_type
      properties:
        client_id:
          type: string
          description: Server-generated client_id.
        client_id_issued_at:
          type: integer
          format: int64
          description: Unix timestamp (seconds) when the client was registered.
        client_name:
          type: string
        redirect_uris:
          type: array
          items:
            type: string
        grant_types:
          type: array
          items:
            type: string
        response_types:
          type: array
          items:
            type: string
        token_endpoint_auth_method:
          type: string
          enum: [none]
        application_type:
          type: string
          enum: [native, web]

    OAuthRegisterError:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] RFC 7591 §3.2.2 error response."
      required:
        - error
      properties:
        error:
          type: string
          enum: [invalid_redirect_uri, invalid_client_metadata]
        error_description:
          type: string
          nullable: true

    BillingBalance:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Current credit balance and usage summary."
      required:
        - credits_remaining
      properties:
        credits_remaining:
          type: integer
          description: Available credits
        credits_used:
          type: integer
          description: Credits used in current billing period
        credits_total:
          type: integer
          description: Total credits allocated in current period

    BillingEvent:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A billing event (charge, credit, refund)."
      required:
        - id
        - type
        - amount
        - created_at
      properties:
        id:
          type: string
        type:
          type: string
          enum: [charge, credit, refund, topup, subscription]
        amount:
          type: integer
          description: Amount in credits
        description:
          type: string
        job_id:
          type: string
          format: uuid
          nullable: true
        created_at:
          type: string
          format: date-time

    BillingEventList:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Paginated list of billing events."
      required:
        - events
        - total
        - has_more
      properties:
        events:
          type: array
          items:
            $ref: "#/components/schemas/BillingEvent"
        total:
          type: integer
        has_more:
          type: boolean

    BillingOp:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A billing operation record."
      required:
        - id
        - status
      properties:
        id:
          type: string
        status:
          type: string
          enum: [pending, completed, failed]
        type:
          type: string
        amount:
          type: integer
        created_at:
          type: string
          format: date-time
        completed_at:
          type: string
          format: date-time
          nullable: true

    BillingPlan:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A subscription plan with pricing details."
      required:
        - id
        - name
      properties:
        id:
          type: string
        name:
          type: string
        description:
          type: string
        credits_per_month:
          type: integer
        price_cents:
          type: integer
          description: Monthly price in cents (USD)
        currency:
          type: string
          default: usd
        features:
          type: array
          items:
            type: string
          description: List of plan features

    BillingStatus:
      type: string
      x-runtime: [cloud]
      description: "[cloud-only] Overall billing/payment lifecycle status."
      enum:
        - awaiting_payment_method
        - pending_payment
        - paid
        - payment_failed
        - inactive

    BillingSubscription:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Active subscription details."
      required:
        - id
        - status
        - plan_id
      properties:
        id:
          type: string
        status:
          type: string
          enum: [active, cancelled, past_due, trialing]
        plan_id:
          type: string
        plan_name:
          type: string
        current_period_start:
          type: string
          format: date-time
        current_period_end:
          type: string
          format: date-time
        cancel_at_period_end:
          type: boolean

    SubscriptionPreview:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Preview of a subscription change including prorations."
      properties:
        plan_id:
          type: string
        plan_name:
          type: string
        amount_due:
          type: integer
          description: Amount due in cents
        proration_amount:
          type: integer
          description: Proration adjustment in cents
        currency:
          type: string
        next_billing_date:
          type: string
          format: date-time

    Workspace:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A cloud workspace for team collaboration."
      required:
        - id
        - name
      properties:
        id:
          type: string
        name:
          type: string
        type:
          type: string
          enum:
            - personal
            - team
          description: Workspace type (personal vs. team).
        owner_id:
          type: string
        member_count:
          type: integer
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time

    WorkspaceMember:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A member of a cloud workspace."
      required:
        - user_id
        - role
      properties:
        user_id:
          type: string
        email:
          type: string
          format: email
        display_name:
          type: string
        avatar_url:
          type: string
          format: uri
        role:
          type: string
          enum: [owner, admin, member]
        joined_at:
          type: string
          format: date-time

    WorkspaceInvite:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A pending workspace invitation."
      required:
        - id
        - email
        - role
      properties:
        id:
          type: string
        email:
          type: string
          format: email
        role:
          type: string
          enum: [admin, member]
        invited_by:
          type: string
        created_at:
          type: string
          format: date-time
        expires_at:
          type: string
          format: date-time

    WorkspaceApiKey:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A workspace API key (secret value redacted)."
      required:
        - id
        - name
        - description
      properties:
        id:
          type: string
        name:
          type: string
        description:
          type: string
          maxLength: 5000
          description: User-provided description of the key's purpose. Always present in responses; empty string when no description was supplied on create.
        prefix:
          type: string
          description: First few characters of the key for identification
        created_at:
          type: string
          format: date-time
        last_used_at:
          type: string
          format: date-time
          nullable: true
        created_by:
          type: string

    WorkspaceApiKeyCreated:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A newly created workspace API key, including the full secret value (shown only once)."
      required:
        - id
        - name
        - description
        - key
      properties:
        id:
          type: string
        name:
          type: string
        description:
          type: string
          maxLength: 5000
          description: User-provided description of the key's purpose. Always present in responses; empty string when no description was supplied on create.
        key:
          type: string
          description: Full API key value (only returned on creation)
        prefix:
          type: string
        created_at:
          type: string
          format: date-time

    CloudUser:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] A cloud-authenticated user profile."
      required:
        - id
        - email
      properties:
        id:
          type: string
        email:
          type: string
          format: email
        display_name:
          type: string
        avatar_url:
          type: string
          format: uri
        created_at:
          type: string
          format: date-time

    SecretMeta:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Metadata for a stored secret (value is never returned)."
      required:
        - id
        - name
      properties:
        id:
          type: string
        name:
          type: string
        provider:
          type: string
          description: "[cloud-only] Provider identifier (e.g., huggingface, civitai)."
          x-runtime: [cloud]
        last_used_at:
          type: string
          format: date-time
          description: "[cloud-only] When the secret was last used for decryption."
          x-runtime: [cloud]
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time

    UpdateSecretRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Request body for updating an existing user secret."
      properties:
        name:
          type: string
          description: New name for the secret
        secret_value:
          type: string
          description: New secret value (API key, token, etc.)

    CreateSessionResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Response after creating a session cookie."
      required:
        - success
      properties:
        success:
          type: boolean
        expiresIn:
          type: integer
          description: Session expiration time in seconds.

    DeleteSessionResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Response after deleting a session cookie."
      required:
        - success
      properties:
        success:
          type: boolean

    CreateHubProfileRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Request body for creating a new Hub profile."
      required:
        - workspace_id
        - username
      properties:
        workspace_id:
          type: string
        username:
          type: string
          description: Unique URL-safe slug. Immutable after creation.
        display_name:
          type: string
        description:
          type: string
        avatar_token:
          type: string
        website_urls:
          type: array
          items:
            type: string

    PublishHubWorkflowRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Request body for publishing or updating a workflow on the Hub."
      required:
        - username
        - name
        - workflow_filename
        - asset_ids
      properties:
        username:
          type: string
        name:
          type: string
        workflow_filename:
          type: string
        asset_ids:
          type: array
          items:
            type: string
        description:
          type: string
        tags:
          type: array
          items:
            type: string
        models:
          type: array
          items:
            type: string
        custom_nodes:
          type: array
          items:
            type: string
        tutorial_url:
          type: string
        metadata:
          type: object
          additionalProperties: true
        thumbnail_type:
          type: string
          enum: [image, video, image_comparison]
        thumbnail_token_or_url:
          type: string
        thumbnail_comparison_token_or_url:
          type: string
        sample_image_tokens_or_urls:
          type: array
          items:
            type: string

    HubWorkflowDetail:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Full Hub workflow detail including versions, assets, and statistics."
      required:
        - share_id
        - workflow_id
        - name
        - workflow_json
        - assets
        - profile
        - status
      properties:
        share_id:
          type: string
        workflow_id:
          type: string
        name:
          type: string
        status:
          type: string
          enum: [pending, approved, rejected, deprecated]
        description:
          type: string
        thumbnail_type:
          type: string
          enum: [image, video, image_comparison]
        thumbnail_url:
          type: string
        thumbnail_comparison_url:
          type: string
        tutorial_url:
          type: string
        metadata:
          type: object
          additionalProperties: true
        sample_image_urls:
          type: array
          items:
            type: string
        publish_time:
          type: string
          format: date-time
          nullable: true
        workflow_json:
          type: object
          additionalProperties: true
        assets:
          type: array
          items:
            $ref: "#/components/schemas/AssetInfo"
        profile:
          $ref: "#/components/schemas/HubProfile"

    AssetInfo:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Lightweight asset reference used in workflow publishing payloads."
      required:
        - id
        - filename
      properties:
        id:
          type: string
        filename:
          type: string
        mime_type:
          type: string
        size_bytes:
          type: integer
          format: int64

    BulkRevokeAPIKeysResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Response after bulk-revoking API keys for a workspace member."
      required:
        - revoked_count
      properties:
        revoked_count:
          type: integer
          minimum: 0

    CreateWorkflowVersionRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Request body for creating a new version of a saved workflow."
      required:
        - base_version
        - workflow_json
      properties:
        base_version:
          type: integer
          description: Version number this change is based on (for optimistic concurrency).
        workflow_json:
          type: object
          additionalProperties: true

    WorkflowVersionResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Metadata for a single workflow version."
      required:
        - id
        - version
        - latest_version
        - created_by
        - created_at
      properties:
        id:
          type: string
        version:
          type: integer
        latest_version:
          type: integer
        created_by:
          type: string
        created_at:
          type: string
          format: date-time

    WorkflowPublishInfo:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Publishing metadata for a workflow shared to the Hub."
      required:
        - workflow_id
        - share_id
        - listed
        - assets
      properties:
        workflow_id:
          type: string
        share_id:
          type: string
        publish_time:
          type: string
          format: date-time
          nullable: true
        listed:
          type: boolean
        assets:
          type: array
          items:
            $ref: "#/components/schemas/AssetInfo"

    TaskEntry:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Task data for list views."
      required:
        - id
        - task_name
        - status
        - create_time
      properties:
        id:
          type: string
          format: uuid
        task_name:
          type: string
        status:
          type: string
          enum: [created, running, completed, failed]
        create_time:
          type: string
          format: date-time
        started_at:
          type: string
          format: date-time
        completed_at:
          type: string
          format: date-time

    TaskResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Full task details including payload and result."
      required:
        - id
        - idempotency_key
        - task_name
        - payload
        - status
        - create_time
        - update_time
      properties:
        id:
          type: string
          format: uuid
        idempotency_key:
          type: string
        task_name:
          type: string
        payload:
          type: object
          additionalProperties: true
        status:
          type: string
          enum: [created, running, completed, failed]
        result:
          type: object
          additionalProperties: true
        create_time:
          type: string
          format: date-time
        update_time:
          type: string
          format: date-time
        started_at:
          type: string
          format: date-time
        completed_at:
          type: string
          format: date-time
        error:
          type: string

    TasksListResponse:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] Paginated list of background tasks for the authenticated user."
      required:
        - tasks
        - pagination
      properties:
        tasks:
          type: array
          items:
            $ref: "#/components/schemas/TaskEntry"
        pagination:
          $ref: "#/components/schemas/PaginationInfo"

    # ===== Cloud-only schemas (Comfy-Org/cloud runtime, BE-1106) =====
    AssetDownloadResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Acknowledgement of an async asset download task; clients poll GET /api/tasks/{task_id} for status.'
      required:
      - task_id
      - status
      properties:
        task_id:
          type: string
          format: uuid
          description: Task ID for tracking download progress via GET /api/tasks/{task_id}
        status:
          type: string
          enum:
          - created
          - running
          - completed
          - failed
          description: Current task status
        message:
          type: string
          description: Human-readable message
          example: Download task created. Use task_id to track progress.

    AssetMetadataResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Metadata for a remotely hosted asset resolved by URL.'
      required:
      - content_length
      properties:
        content_length:
          type: integer
          format: int64
          description: Size of the asset in bytes (-1 if unknown)
          example: 4294967296
        content_type:
          type: string
          description: MIME type of the asset
          example: application/octet-stream
        filename:
          type: string
          description: Suggested filename for the asset from source
          example: realistic-vision-v5.safetensors
        name:
          type: string
          description: Display name or title for the asset from source
          example: Realistic Vision v5.0
        tags:
          type: array
          items:
            type: string
          description: Tags for categorization from source
          example:
          - models
          - checkpoint
        preview_image:
          type: string
          description: Preview image as base64-encoded data URL
          example: data:image/jpeg;base64,/9j/4AAQSkZJRg...
        validation:
          description: Validation results for the file
          allOf:
          - $ref: '#/components/schemas/ValidationResult'

    BillingBalanceResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Current credit balance and usage details for a workspace.'
      required:
      - amount_micros
      - currency
      properties:
        amount_micros:
          type: number
          format: double
          description: The total remaining balance in microamount (1/1,000,000 of the currency unit)
        prepaid_balance_micros:
          type: number
          format: double
          description: The remaining balance from prepaid commits in microamount
        cloud_credit_balance_micros:
          type: number
          format: double
          description: The remaining balance from cloud credits in microamount
        pending_charges_micros:
          type: number
          format: double
          description: The total amount of pending/unbilled charges from draft invoices in microamount
        effective_balance_micros:
          type: number
          format: double
          description: The effective balance (total balance minus pending charges). Can be negative if pending charges exceed
            the balance.
        currency:
          type: string
          example: usd
          description: Currency code

    BillingPlansResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] List of available billing plans for subscription.'
      required:
      - plans
      properties:
        current_plan_slug:
          type: string
          description: Current plan slug if subscribed
        plans:
          type: array
          items:
            $ref: '#/components/schemas/Plan'

    BillingStatusResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Current billing and subscription status for a workspace.'
      required:
      - is_active
      - has_funds
      properties:
        is_active:
          type: boolean
          description: Whether the workspace has an active subscription
        subscription_status:
          type: string
          enum:
          - active
          - ended
          - canceled
          description: Subscription activity status (scheduled subscriptions are not returned)
        subscription_tier:
          $ref: '#/components/schemas/SubscriptionTier'
        subscription_duration:
          $ref: '#/components/schemas/SubscriptionDuration'
        plan_slug:
          type: string
          description: Plan identifier (e.g., standard-monthly, team-pro-annual)
        billing_status:
          $ref: '#/components/schemas/BillingStatus'
        has_funds:
          type: boolean
          description: Whether the workspace has available credits
        cancel_at:
          type: string
          format: date-time
          description: When the subscription will become inactive (if canceled)
        renewal_date:
          type: string
          format: date-time
          description: When the current billing period ends and the next one begins

    GetUserDataResponseFull:
      type: array
      x-runtime: [cloud]
      description: '[cloud-only] List of user data file entries (each with path, size, and modification time) returned when full_info=true.'
      items:
        $ref: '#/components/schemas/GetUserDataResponseFullFile'

    HistoryDetailEntry:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] History entry with full prompt data'
      properties:
        prompt:
          type: object
          description: Full prompt execution data
          properties:
            priority:
              type: number
              format: double
              description: Execution priority
            prompt_id:
              type: string
              description: The prompt ID
            prompt:
              type: object
              description: The workflow nodes
              additionalProperties: true
            extra_data:
              type: object
              description: Additional execution data
              additionalProperties: true
            outputs_to_execute:
              type: array
              items:
                type: string
              description: Output nodes to execute
        outputs:
          type: object
          description: Output data from execution (generated images, files, etc.)
          additionalProperties: true
        status:
          type: object
          description: Execution status and timeline information
          additionalProperties: true
        meta:
          type: object
          description: Metadata about the execution and nodes
          additionalProperties: true

    HistoryDetailResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Detailed execution history response for a specific prompt.

        Returns a dictionary with prompt_id as key and full history data as value.

        '
      additionalProperties:
        $ref: '#/components/schemas/HistoryDetailEntry'

    HistoryResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Execution history response with history array.

        Returns an object with a "history" key containing an array of history entries.

        Each entry includes prompt_id as a property along with execution data.

        '
      required:
      - history
      properties:
        history:
          type: array
          description: Array of history entries ordered by creation time (newest first)
          items:
            $ref: '#/components/schemas/HistoryEntry'

    HubLabelInfo:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Metadata for a single Hub label.'
      required:
      - name
      - display_name
      - type
      properties:
        name:
          type: string
          description: Slug identifier.
        display_name:
          type: string
          description: Human-readable display name.
        description:
          type: string
          description: Optional description of the label.
        type:
          type: string
          enum:
          - tag
          - model
          - custom_node
          description: Label category.

    HubLabelListResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response wrapper for the available Hub label catalog.'
      required:
      - labels
      properties:
        labels:
          type: array
          items:
            $ref: '#/components/schemas/HubLabelInfo'
          description: Available labels, optionally filtered by type.

    HubProfileSummary:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Abbreviated Hub profile used in workflow listings.'
      required:
      - username
      properties:
        username:
          type: string
        display_name:
          type: string
        avatar_url:
          type: string
          description: Public URL of the profile avatar image.

    HubWorkflowListResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Paginated list of Hub workflows matching search criteria.'
      required:
      - workflows
      properties:
        workflows:
          type: array
          items:
            anyOf:
            - $ref: '#/components/schemas/HubWorkflowSummary'
            - $ref: '#/components/schemas/HubWorkflowDetail'
          description: Array of HubWorkflowSummary (default) or HubWorkflowDetail (when detail=true).
        next_cursor:
          type: string
          description: Cursor for the next page, empty if no more results.

    HubWorkflowStatus:
      type: string
      x-runtime: [cloud]
      description: '[cloud-only] Public workflow status. NULL in the database is represented as pending in API responses.'
      enum:
      - pending
      - approved
      - rejected
      - deprecated

    HubWorkflowSummary:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Abbreviated Hub workflow metadata used in search and listing results.'
      required:
      - share_id
      - name
      - profile
      - status
      properties:
        share_id:
          type: string
        name:
          type: string
        status:
          $ref: '#/components/schemas/HubWorkflowStatus'
        description:
          type: string
        tags:
          type: array
          items:
            $ref: '#/components/schemas/LabelRef'
        models:
          type: array
          items:
            $ref: '#/components/schemas/LabelRef'
        custom_nodes:
          type: array
          items:
            $ref: '#/components/schemas/LabelRef'
        thumbnail_type:
          type: string
          enum:
          - image
          - video
          - image_comparison
        thumbnail_url:
          type: string
        thumbnail_comparison_url:
          type: string
        publish_time:
          type: string
          format: date-time
          nullable: true
        profile:
          $ref: '#/components/schemas/HubProfileSummary'
        metadata:
          type: object
          additionalProperties: true
        tutorial_url:
          type: string
        sample_image_urls:
          type: array
          items:
            type: string

    HubWorkflowTemplateEntry:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Entry in the curated workflow template gallery shown on the home page.'
      required:
      - name
      - title
      - status
      properties:
        name:
          type: string
          description: Slug identifier for the template
        title:
          type: string
        status:
          $ref: '#/components/schemas/HubWorkflowStatus'
        description:
          type: string
        tags:
          type: array
          items:
            type: string
        models:
          type: array
          items:
            type: string
        requiresCustomNodes:
          type: array
          items:
            type: string
        thumbnailVariant:
          type: string
        mediaType:
          type: string
        mediaSubtype:
          type: string
        size:
          type: integer
          format: int64
          description: Workflow asset size in bytes.
        vram:
          type: integer
          format: int64
          description: Approximate VRAM requirement in bytes.
        usage:
          type: integer
          format: int64
          description: Usage count reported upstream.
        searchRank:
          type: integer
          format: int64
          description: Search ranking score reported upstream.
        isEssential:
          type: boolean
          description: Whether the template belongs to a module marked as essential.
        openSource:
          type: boolean
        profile:
          $ref: '#/components/schemas/HubProfileSummary'
        tutorialUrl:
          type: string
        logos:
          type: array
          items:
            type: object
            additionalProperties: true
        date:
          type: string
          description: Publication date in YYYY-MM-DD format
        io:
          type: object
          properties:
            inputs:
              type: array
              items:
                type: object
                additionalProperties: true
            outputs:
              type: array
              items:
                type: object
                additionalProperties: true
        includeOnDistributions:
          type: array
          items:
            type: string
        thumbnailUrl:
          type: string
          description: Public URL of the primary thumbnail
        thumbnailComparisonUrl:
          type: string
          description: Public URL of the comparison thumbnail
        shareId:
          type: string
          description: Share ID for linking to the hub workflow detail
        extendedDescription:
          type: string
          description: AI-generated extended description of the workflow
        metaDescription:
          type: string
          description: AI-generated SEO meta description (under 160 chars)
        howToUse:
          type: array
          items:
            type: string
          description: AI-generated step-by-step usage instructions
        suggestedUseCases:
          type: array
          items:
            type: string
          description: AI-generated suggested use cases
        faqItems:
          type: array
          items:
            type: object
            required:
            - question
            - answer
            properties:
              question:
                type: string
              answer:
                type: string
          description: AI-generated FAQ items
        contentTemplate:
          type: string
          description: Content template used for generation (tutorial, showcase, comparison, breakthrough)

    JobStatusResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Job status information'
      properties:
        id:
          type: string
          format: uuid
          description: The job ID
        status:
          type: string
          enum:
          - waiting_to_dispatch
          - pending
          - in_progress
          - completed
          - error
          - cancelled
          description: Current job status
        created_at:
          type: string
          format: date-time
          description: When the job was created
        updated_at:
          type: string
          format: date-time
          description: When the job was last updated
        last_state_update:
          type: string
          format: date-time
          description: When the job status was last changed
        assigned_inference:
          type: string
          nullable: true
          description: The inference instance assigned to this job (if any)
        error_message:
          type: string
          nullable: true
          description: Error message if the job failed
      required:
      - id
      - status
      - created_at
      - updated_at

    JobsListResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Paginated list of jobs for the authenticated user.'
      required:
      - jobs
      - pagination
      properties:
        jobs:
          type: array
          description: Array of jobs ordered by specified sort field
          items:
            $ref: '#/components/schemas/JobEntry'
        pagination:
          $ref: '#/components/schemas/PaginationInfo'

    LabelRef:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Reference to a Hub label by ID.'
      required:
      - name
      - display_name
      properties:
        name:
          type: string
          description: Slug identifier (e.g. "video-generation", "flux").
        display_name:
          type: string
          description: Human-readable display name (e.g. "Video Generation", "Flux").

    LogsResponse:
      type: array
      x-runtime: [cloud]
      description: '[cloud-only] System logs response'
      items:
        type: object
        properties:
          timestamp:
            type: string
            format: date-time
            description: When the log entry was created
          level:
            type: string
            enum:
            - debug
            - info
            - warn
            - error
            description: Log level
          message:
            type: string
            description: Log message
          source:
            type: string
            description: Source of the log entry
          metadata:
            type: object
            additionalProperties: true
            description: Additional log metadata

    Member:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Workspace member with profile and role information.'
      required:
      - id
      - name
      - email
      - role
      - joined_at
      properties:
        id:
          type: string
          description: User ID
        name:
          type: string
          description: User's display name
        email:
          type: string
          format: email
          description: User's email address
        role:
          type: string
          enum:
          - owner
          - member
          description: User's role in the workspace
        joined_at:
          type: string
          format: date-time
          description: When the user joined the workspace

    OAuthRegisterBadRequestResponse:
      x-runtime: [cloud]
      description: "[cloud-only] Union of the two 400 shapes /oauth/register can emit. `OAuthRegisterError` is the handler-shaped\
        \ RFC 7591 \xA73.2.2 error; `BindingErrorResponse` is the strict-server binding-layer error fired when the request body\
        \ fails OpenAPI-schema validation before the handler runs.\n"
      oneOf:
      - $ref: '#/components/schemas/OAuthRegisterError'
      - $ref: '#/components/schemas/BindingErrorResponse'

    PendingInvite:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] An outstanding workspace invitation that has not yet been accepted.'
      required:
      - id
      - email
      - invited_at
      - expires_at
      properties:
        id:
          type: string
          description: Invite ID
        email:
          type: string
          format: email
          description: Email address of the invited user
        token:
          type: string
          description: Invite token for constructing invite links. Empty for expired invites.
        invited_at:
          type: string
          format: date-time
          description: When the invite was created
        expires_at:
          type: string
          format: date-time
          description: When the invite expires

    Plan:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Billing plan details including pricing, limits, and features.'
      required:
      - slug
      - tier
      - duration
      - price_cents
      - credits_cents
      - max_seats
      - availability
      - seat_summary
      properties:
        slug:
          type: string
          description: Plan identifier (e.g., "pro-monthly", "team-standard-annual")
          example: pro-monthly
        tier:
          $ref: '#/components/schemas/SubscriptionTier'
        duration:
          $ref: '#/components/schemas/SubscriptionDuration'
        price_cents:
          type: integer
          format: int64
          description: Per-member price in cents (base + one seat)
          example: 10000
        credits_cents:
          type: integer
          format: int64
          description: Per-member credits in cents (base + one seat)
          example: 10000
        max_seats:
          type: integer
          format: int64
          description: Maximum number of seats allowed for this plan
          example: 20
        availability:
          $ref: '#/components/schemas/PlanAvailability'
        seat_summary:
          $ref: '#/components/schemas/PlanSeatSummary'

    PlanAvailability:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Availability and eligibility information for a billing plan.'
      required:
      - available
      properties:
        available:
          type: boolean
          description: Whether the workspace can subscribe to this plan
        reason:
          $ref: '#/components/schemas/PlanAvailabilityReason'

    PlanAvailabilityReason:
      type: string
      x-runtime: [cloud]
      enum:
      - same_plan
      - incompatible_transition
      - requires_team
      - requires_personal
      - exceeds_max_seats
      description: '[cloud-only] Reason why a plan is unavailable'

    PlanSeatSummary:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Summary of seat costs based on current workspace members'
      required:
      - seat_count
      - total_cost_cents
      - total_credits_cents
      properties:
        seat_count:
          type: integer
          description: Total number of seats (owner + members) that would be charged
          example: 5
        total_cost_cents:
          type: integer
          format: int64
          description: Total cost for all seats in cents
          example: 50000
        total_credits_cents:
          type: integer
          format: int64
          description: Total credits granted for all seats in cents
          example: 50000

    PreviewPlanInfo:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Plan information for preview display'
      required:
      - slug
      - tier
      - duration
      - price_cents
      - credits_cents
      - seat_summary
      properties:
        slug:
          type: string
          description: Plan slug
          example: team-pro-monthly
        tier:
          $ref: '#/components/schemas/SubscriptionTier'
        duration:
          $ref: '#/components/schemas/SubscriptionDuration'
        price_cents:
          type: integer
          format: int64
          description: Per-seat price in cents
          example: 10000
        credits_cents:
          type: integer
          format: int64
          description: Per-seat credits in cents
          example: 10000
        seat_summary:
          $ref: '#/components/schemas/PlanSeatSummary'
        period_start:
          type: string
          format: date-time
          description: Current billing period start (only for current_plan)
        period_end:
          type: string
          format: date-time
          description: Current billing period end (only for current_plan)

    PreviewSubscribeResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Itemized cost preview for a pending subscription change.'
      required:
      - allowed
      - transition_type
      - effective_at
      - is_immediate
      - cost_today_cents
      - cost_next_period_cents
      - credits_today_cents
      - credits_next_period_cents
      - new_plan
      properties:
        allowed:
          type: boolean
          description: Whether this subscription change is allowed
        reason:
          type: string
          description: Reason why the change is not allowed (only present if allowed=false)
        transition_type:
          type: string
          enum:
          - new_subscription
          - upgrade
          - downgrade
          - duration_change
          description: Type of subscription transition
        effective_at:
          type: string
          format: date-time
          description: When the change takes effect
        is_immediate:
          type: boolean
          description: Whether the change takes effect immediately (true) or at period end (false)
        cost_today_cents:
          type: integer
          format: int64
          description: Amount to charge today in cents (0 for downgrades)
          example: 5000
        cost_next_period_cents:
          type: integer
          format: int64
          description: Amount that will be charged at next billing period in cents
          example: 10000
        credits_today_cents:
          type: integer
          format: int64
          description: Credits granted today in cents (prorated for mid-period upgrades)
          example: 5000
        credits_next_period_cents:
          type: integer
          format: int64
          description: Credits that will be granted at next billing period in cents
          example: 10000
        current_plan:
          $ref: '#/components/schemas/PreviewPlanInfo'
        new_plan:
          $ref: '#/components/schemas/PreviewPlanInfo'

    PublishedWorkflowDetail:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Full detail of a publicly published workflow on the Hub.'
      required:
      - share_id
      - workflow_id
      - name
      - listed
      - workflow_json
      - assets
      properties:
        share_id:
          type: string
        workflow_id:
          type: string
        name:
          type: string
          description: Human-readable workflow name.
        listed:
          type: boolean
        publish_time:
          type: string
          format: date-time
          nullable: true
        workflow_json:
          type: object
          additionalProperties: true
          description: The workflow JSON content at publish time.
        assets:
          type: array
          description: Published assets with their library status for the caller.
          items:
            $ref: '#/components/schemas/AssetInfo'

    SecretResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] User secret metadata (the secret value itself is never returned after creation).'
      required:
      - id
      - name
      - created_at
      - updated_at
      properties:
        id:
          type: string
          format: uuid
          description: Unique identifier for the secret
        name:
          type: string
          description: User-provided label for the secret
        provider:
          type: string
          description: Provider identifier (e.g., huggingface, civitai)
        last_used_at:
          type: string
          format: date-time
          description: When the secret was last used for decryption
        created_at:
          type: string
          format: date-time
          description: When the secret was created
        updated_at:
          type: string
          format: date-time
          description: When the secret was last updated

    SubscriptionDuration:
      type: string
      x-runtime: [cloud]
      enum:
      - MONTHLY
      - ANNUAL
      description: '[cloud-only] Billing period (uppercase to match comfy-api)'

    SubscriptionTier:
      type: string
      x-runtime: [cloud]
      enum:
      - FREE
      - STANDARD
      - CREATOR
      - PRO
      - FOUNDERS_EDITION
      description: '[cloud-only] Subscription tier (uppercase to match comfy-api)'

    UserDataResponseFull:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] User data listing entry with file metadata (path, size, modification time).'
      properties:
        path:
          type: string
        size:
          type: integer
        modified:
          type: integer
          format: int64
          description: UNIX timestamp of the last modification in milliseconds.

    ValidationError:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Details of a single validation error encountered during asset operations.'
      required:
      - code
      - message
      - field
      properties:
        code:
          type: string
          description: Machine-readable error code
          example: FORMAT_NOT_ALLOWED
        message:
          type: string
          description: Human-readable error message
          example: 'File format "PickleTensor" is not allowed. Allowed formats: [SafeTensor]'
        field:
          type: string
          description: Field that failed validation
          example: format

    ValidationResult:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Result of validating a set of asset operations.'
      required:
      - is_valid
      properties:
        is_valid:
          type: boolean
          description: Overall validation status (true if all checks passed)
          example: true
        errors:
          type: array
          items:
            $ref: '#/components/schemas/ValidationError'
          description: Blocking validation errors that prevent download
        warnings:
          type: array
          items:
            $ref: '#/components/schemas/ValidationError'
          description: Non-blocking validation warnings (informational only)

    WorkflowForkedFrom:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Reference to the parent workflow from which this workflow was forked.'
      properties:
        workflow_id:
          type: string
        workflow_version_id:
          type: string

    WorkflowResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Full workflow entity including metadata and version history.'
      required:
      - id
      - latest_version
      - created_by
      - created_at
      - updated_at
      properties:
        id:
          type: string
        name:
          type: string
        description:
          type: string
        default_view:
          type: string
          enum:
          - workflow
          - app
        latest_version:
          type: integer
        forked_from:
          $ref: '#/components/schemas/WorkflowForkedFrom'
        created_by:
          type: string
        created_at:
          type: string
          format: date-time
        updated_at:
          type: string
          format: date-time

    WorkflowVersionContentResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Full workflow version including the serialized workflow JSON.'
      required:
      - id
      - version
      - workflow_json
      - created_by
      - created_at
      properties:
        id:
          type: string
        version:
          type: integer
        workflow_json:
          type: object
          additionalProperties: true
        created_by:
          type: string
        created_at:
          type: string
          format: date-time
        dependency_asset_ids:
          type: array
          items:
            type: string

    WorkspaceAPIKeyInfo:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Metadata for a workspace-scoped API key (secret is never returned).'
      required:
      - id
      - workspace_id
      - user_id
      - name
      - description
      - key_prefix
      - created_at
      properties:
        id:
          type: string
          format: uuid
          description: API key ID
        workspace_id:
          type: string
          description: Workspace this key belongs to
        user_id:
          type: string
          description: User who created this key
        name:
          type: string
          description: User-provided label
        description:
          type: string
          description: User-provided description of the key's purpose. Limit is byte-based (UTF-8 encoding); 5000 bytes equals
            5000 ASCII characters or fewer multi-byte characters.
          maxLength: 5000
        key_prefix:
          type: string
          description: First 8 chars after prefix for display
        expires_at:
          type: string
          format: date-time
          description: When the key expires (if set)
        last_used_at:
          type: string
          format: date-time
          description: Last time the key was used
        revoked_at:
          type: string
          format: date-time
          description: When the key was revoked (if revoked)
        created_at:
          type: string
          format: date-time
          description: When the key was created

    WorkspaceSummary:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Abbreviated workspace metadata used in list responses.'
      required:
      - id
      - name
      - type
      properties:
        id:
          type: string
          example: w-a1b2c3d4-5678-90ab-cdef-1234567890ab
        name:
          type: string
          example: My Team
        type:
          type: string
          enum:
          - personal
          - team

    WorkspaceWithRole:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Workspace entity annotated with the requesting user''s role.'
      required:
      - id
      - name
      - type
      - role
      - created_at
      - joined_at
      properties:
        id:
          type: string
          example: w-a1b2c3d4-5678-90ab-cdef-1234567890ab
        name:
          type: string
          example: My Team
        type:
          type: string
          enum:
          - personal
          - team
        role:
          type: string
          enum:
          - owner
          - member
        created_at:
          type: string
          format: date-time
          description: When the workspace was created
        joined_at:
          type: string
          format: date-time
          description: When the user joined the workspace (same as created_at for the workspace creator)
        subscription_tier:
          $ref: '#/components/schemas/SubscriptionTier'

    BindingErrorResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Error shape returned when request binding or validation fails before the handler runs.'
      required:
      - message
      properties:
        message:
          type: string

    ErrorResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Standard error response from cloud endpoints with a machine-readable code and human-readable message.'
      required:
        - code
        - message
      properties:
        code:
          type: string
          description: Machine-readable error code
        message:
          type: string
          description: Human-readable error message

    AcceptInviteResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response returned after successfully accepting a workspace invitation.'
      required:
      - workspace_id
      - workspace_name
      properties:
        workspace_id:
          type: string
          description: ID of the workspace joined
        workspace_name:
          type: string
          description: Name of the workspace joined

    BillingEventsResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Paginated list of billing events for a workspace.'
      required:
      - total
      - events
      - page
      - limit
      - totalPages
      properties:
        total:
          type: integer
          description: Total number of events
        events:
          type: array
          items:
            $ref: '#/components/schemas/BillingEvent'
        page:
          type: integer
          description: Current page number (1-indexed)
        limit:
          type: integer
          description: Items per page
        totalPages:
          type: integer
          description: Total number of pages

    BillingOpStatusResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Status of an asynchronous billing operation.'
      required:
      - id
      - status
      - started_at
      properties:
        id:
          type: string
          description: Unique identifier for the billing operation
        status:
          type: string
          enum:
          - pending
          - succeeded
          - failed
          description: Current status of the operation
        error_message:
          type: string
          description: Error message if status is failed
        started_at:
          type: string
          format: date-time
          description: When the operation was initiated
        completed_at:
          type: string
          format: date-time
          description: When the operation completed (success or failure)

    CancelSubscriptionResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response after successfully cancelling a subscription.'
      required:
      - cancel_at
      - billing_op_id
      properties:
        billing_op_id:
          type: string
          description: Billing operation ID to poll for status via GET /api/billing/ops/{id}
        cancel_at:
          type: string
          format: date-time
          description: The date when the subscription will end (end of current billing period)

    CreateTopupResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response after successfully purchasing a credit top-up.'
      required:
      - topup_id
      - status
      - amount_cents
      - billing_op_id
      properties:
        billing_op_id:
          type: string
          description: Billing operation ID to poll for status via GET /api/billing/ops/{id}
        topup_id:
          type: string
          description: Unique identifier for the top-up request (same as billing_op_id, deprecated)
        status:
          type: string
          enum:
          - pending
          - completed
          - failed
          description: Current status of the top-up
        amount_cents:
          type: integer
          format: int64
          description: Amount being charged in cents

    CreateWorkspaceAPIKeyResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response containing the newly created workspace API key.'
      required:
      - id
      - name
      - description
      - key
      - key_prefix
      - created_at
      properties:
        id:
          type: string
          format: uuid
          description: API key ID
        name:
          type: string
          description: User-provided label
        description:
          type: string
          description: User-provided description of the key's purpose. Limit is byte-based (UTF-8 encoding); 5000 bytes equals
            5000 ASCII characters or fewer multi-byte characters.
          maxLength: 5000
        key:
          type: string
          description: The full plaintext API key (only shown once)
        key_prefix:
          type: string
          description: First 8 chars after prefix for display
        expires_at:
          type: string
          format: date-time
          description: When the key expires (if set)
        created_at:
          type: string
          format: date-time
          description: When the key was created

    ExchangeTokenResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response containing the issued Cloud JWT and its expiry.'
      required:
      - token
      - expires_at
      - workspace
      - role
      - permissions
      properties:
        token:
          type: string
          description: Cloud JWT token
        expires_at:
          type: string
          format: date-time
          description: Token expiration time (RFC 3339)
        workspace:
          $ref: '#/components/schemas/WorkspaceSummary'
        role:
          type: string
          enum:
          - owner
          - member
          description: User's role in the workspace
        permissions:
          type: array
          items:
            type: string
          description: Permission strings for the role
          example:
          - owner:*

    JobCancelResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response for POST /api/jobs/{job_id}/cancel. Returned on both fresh cancels and idempotent no-ops.'
      required:
      - cancelled
      properties:
        cancelled:
          type: boolean
          description: "True when a cancel event was successfully dispatched by this call.\nFalse when the job was already in\
            \ a terminal or cancelling state,\nin which case the call is a no-op (still 200 \u2014 idempotent).\n"

    ResubscribeResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response after successfully resubscribing to a billing plan.'
      required:
      - status
      - billing_op_id
      properties:
        billing_op_id:
          type: string
          description: Billing operation ID to poll for status via GET /api/billing/ops/{id}
        status:
          type: string
          enum:
          - active
          description: The subscription status after resubscribing
        message:
          type: string
          description: Human-readable confirmation message

    SubscribeResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Response after successfully subscribing to a billing plan.'
      required:
      - status
      - billing_op_id
      properties:
        billing_op_id:
          type: string
          description: Billing operation ID to poll for status via GET /api/billing/ops/{id}
        status:
          type: string
          enum:
          - subscribed
          - needs_payment_method
          - pending_payment
          description: 'Status of the subscription operation:

            - subscribed: Subscription is active immediately

            - needs_payment_method: User must add payment method via payment_method_url

            - pending_payment: Upgrade initiated, waiting for payment to complete

            '
        effective_at:
          type: string
          format: date-time
          description: When the subscription became/becomes active (present when status=subscribed or pending_payment)
        payment_method_url:
          type: string
          description: URL to redirect user to add payment method (present when status=needs_payment_method)

    UserResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] User information response'
      required:
      - id
      - status
      properties:
        id:
          type: string
          description: Firebase UID of the authenticated user
        status:
          type: string
          description: User status (always "active" for authenticated users)

    WorkflowListResponse:
      type: object
      x-runtime: [cloud]
      description: '[cloud-only] Paginated list of saved workflows.'
      required:
      - data
      - pagination
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/WorkflowResponse'
        pagination:
          $ref: '#/components/schemas/PaginationInfo'

    FeedbackRequest:
      type: object
      x-runtime: [cloud]
      description: "[cloud-only] User feedback submission body."
      required:
        - message
      properties:
        type:
          type: string
          enum:
            - missing_nodes
            - general
            - missing_models
          description: Feedback category
        category:
          type: string
          description: Additional category metadata
        message:
          type: string
          description: User-provided feedback message