{
  "entities": {
    "User": {
      "title": "User",
      "description": "A user of the application.",
      "type": "object",
      "properties": {
        "email": {
          "type": "string",
          "format": "email",
          "description": "The user's email address."
        },
        "createdAt": {
          "type": "number",
          "description": "Timestamp when the user was created."
        }
      },
      "required": ["email", "createdAt"]
    },
    "Project": {
      "title": "Project",
      "description": "A project containing notes.",
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "The project ID."
        },
        "userId": {
          "type": "string",
          "description": "The ID of the user who owns the project."
        },
        "title": {
          "type": "string",
          "description": "The title of the project."
        },
        "rootNoteId": {
          "type": "string",
          "description": "The ID of the root note for this project."
        },
        "createdAt": {
          "type": "number",
          "description": "Timestamp when the project was created."
        },
        "categoryId": {
          "type": "string",
          "description": "Optional ID of the category this project belongs to."
        },
        "creatorId": {
          "type": "string",
          "description": "The ID of the user who created the project."
        },
        "creatorEmail": {
          "type": "string",
          "description": "The email of the user who created the project."
        },
        "collaborators": {
          "type": "array",
          "items": { "type": "string" },
          "description": "List of user IDs who are collaborators on this project."
        }
      },
      "required": ["id", "userId", "title", "rootNoteId", "createdAt", "creatorId"]
    },
    "Note": {
      "title": "Note",
      "description": "A note within a project.",
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "The note ID."
        },
        "userId": {
          "type": "string",
          "description": "The ID of the user who owns the note."
        },
        "projectId": {
          "type": "string",
          "description": "The ID of the project this note belongs to."
        },
        "parentId": {
          "type": ["string", "null"],
          "description": "The ID of the parent note, or null if it's the root note."
        },
        "title": {
          "type": "string",
          "description": "The title of the note."
        },
        "content": {
          "type": "string",
          "description": "The content of the note (Markdown or Image URL)."
        },
        "type": {
          "type": "string",
          "enum": ["ROOT", "TEXT", "CODE", "IMAGE"],
          "description": "The type of the note."
        },
        "status": {
          "type": "string",
          "enum": ["IDLE", "PLANNING", "GENERATING", "COMPLETED", "ERROR"],
          "description": "The generation status of the note."
        },
        "children": {
          "type": "array",
          "items": { "type": "string" },
          "description": "IDs of child notes."
        },
        "timestamp": {
          "type": "number",
          "description": "Timestamp when the note was created or last updated."
        },
        "attachments": {
          "type": "string",
          "description": "JSON stringified array of attachments."
        },
        "tags": {
          "type": "array",
          "items": { "type": "string" },
          "description": "Tags associated with the note."
        },
        "linkedNoteIds": {
          "type": "array",
          "items": { "type": "string" },
          "description": "IDs of linked notes."
        }
      },
      "required": ["id", "userId", "projectId", "title", "content", "type", "status", "children", "timestamp"]
    },
    "Category": {
      "title": "Category",
      "description": "A category for organizing projects.",
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "The category ID."
        },
        "userId": {
          "type": "string",
          "description": "The ID of the user who owns the category."
        },
        "name": {
          "type": "string",
          "description": "The name of the category."
        },
        "color": {
          "type": "string",
          "description": "The color associated with the category."
        }
      },
      "required": ["id", "userId", "name", "color"]
    }
  },
  "firestore": {
    "/users/{userId}": {
      "schema": { "$ref": "#/entities/User" },
      "description": "User profiles."
    },
    "/projects/{projectId}": {
      "schema": { "$ref": "#/entities/Project" },
      "description": "Projects created by users."
    },
    "/notes/{noteId}": {
      "schema": { "$ref": "#/entities/Note" },
      "description": "Notes created by users."
    },
    "/categories/{categoryId}": {
      "schema": { "$ref": "#/entities/Category" },
      "description": "Categories created by users."
    }
  }
}