{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "spine:task_request",
  "title": "TaskRequest",
  "type": "object",
  "required": [
    "schema_name",
    "schema_version",
    "task_id",
    "title",
    "description",
    "requested_by",
    "created_at",
    "origin_system",
    "operator_context",
    "constraints",
    "desired_outcomes"
  ],
  "properties": {
    "schema_name": { "const": "TaskRequest" },
    "schema_version": { "type": "string", "const": "1.0.0" },
    "task_id": { "type": "string", "pattern": "^task_[a-z0-9_\\-]+$" },
    "title": { "type": "string", "minLength": 1 },
    "description": { "type": "string", "minLength": 1 },
    "requested_by": { "type": "string", "minLength": 1 },
    "created_at": { "type": "string", "format": "date-time" },
    "origin_system": { "type": "string", "minLength": 1 },
    "operator_context": { "$ref": "./operator_context.schema.json" },
    "constraints": {
      "type": "array",
      "items": { "type": "string" }
    },
    "desired_outcomes": {
      "type": "array",
      "minItems": 1,
      "items": { "type": "string" }
    },
    "workspace_ref": { "type": "string" },
    "tags": {
      "type": "array",
      "items": { "type": "string" }
    }
  },
  "additionalProperties": false
}