{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Cortex Agent Task Index",
  "type": "object",
  "required": ["tasks"],
  "properties": {
    "tasks": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["task_id", "path", "status", "stage", "updated_at"],
        "properties": {
          "task_id": { "type": "string", "minLength": 1 },
          "path": { "type": "string", "pattern": "^\\.agent/tasks/[^/]+\\.json$" },
          "title": { "type": "string" },
          "status": { "type": "string", "enum": ["draft", "active", "blocked", "completed", "canceled"] },
          "stage": { "type": "string", "enum": ["draft", "spec", "plan", "implement", "validate", "review", "done"] },
          "priority": { "type": "string", "enum": ["P0", "P1", "P2", "P3"] },
          "updated_at": { "type": "string", "format": "date-time" }
        },
        "additionalProperties": false
      }
    }
  },
  "additionalProperties": false
}