{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "R550 ROS2 Graph Dictionary Feature",
  "type": "object",
  "required": ["id", "name", "status", "category", "description"],
  "properties": {
    "id": {
      "type": "string",
      "description": "Stable feature identifier."
    },
    "name": {
      "type": "string",
      "description": "Human-readable feature name."
    },
    "status": {
      "type": "string",
      "description": "Capture or implementation status."
    },
    "category": {
      "type": "string",
      "description": "High-level robot subsystem category."
    },
    "aliases": {
      "type": "array",
      "items": { "type": "string" }
    },
    "description": {
      "type": "string"
    },
    "commands": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Public launch or ROS commands after sanitization."
    },
    "nodes": {
      "type": "array",
      "items": { "type": "string" }
    },
    "topics": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Topic entries in '/topic [message/type]' format when type is available."
    },
    "services": {
      "type": "array",
      "items": { "type": "string" },
      "description": "Service entries in '/service [srv/type]' format when type is available."
    },
    "actions": {
      "type": "array",
      "items": { "type": "string" }
    }
  }
}