{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://workspai.dev/schemas/workspace-watch-event.v1.json",
  "title": "Workspai Workspace Watch Event",
  "type": "object",
  "required": [
    "schemaVersion",
    "kind",
    "sequence",
    "timestamp",
    "mode",
    "modelHash",
    "modelHashChanged",
    "changedProjects",
    "addedProjects",
    "removedProjects",
    "graph",
    "durationMs"
  ],
  "properties": {
    "schemaVersion": {
      "const": "workspace-watch-event.v1"
    },
    "kind": {
      "enum": [
        "ready",
        "changed",
        "unchanged",
        "error"
      ]
    },
    "sequence": {
      "type": "integer",
      "minimum": -1
    },
    "timestamp": {
      "type": "string",
      "format": "date-time"
    },
    "mode": {
      "enum": [
        "initial",
        "full",
        "incremental",
        "unchanged"
      ]
    },
    "modelHash": {
      "type": "string",
      "pattern": "^(?:[a-f0-9]{64})?$"
    },
    "modelHashChanged": {
      "type": "boolean"
    },
    "changedProjects": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "addedProjects": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "removedProjects": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "graph": {
      "type": "object",
      "required": [
        "nodeCount",
        "edgeCount",
        "edgesAdded",
        "edgesRemoved"
      ],
      "properties": {
        "nodeCount": {
          "type": "integer",
          "minimum": 0
        },
        "edgeCount": {
          "type": "integer",
          "minimum": 0
        },
        "edgesAdded": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "edgesRemoved": {
          "type": "array",
          "items": {
            "type": "object"
          }
        }
      },
      "additionalProperties": false
    },
    "durationMs": {
      "type": "number",
      "minimum": 0
    },
    "error": {
      "type": "string"
    }
  },
  "additionalProperties": true
}