{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://go-sip.local/contracts/proposals/task-control-v0.4-proposal.schema.json",
  "title": "Project-local inbound pause/resume/stop commands; external compatibility unverified",
  "$comment": "Replaces only task.control ingress in command-next.v0.1-proposal. Existing command.result egress remains under the v0.1 contract. Pause and stop always require hangup; no active_call_policy or MQ command expiry field.",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "dispatcher_id", "tenant_id", "tenant_key", "trace_id", "issued_at", "command_type", "payload"],
  "properties": {
    "schema_version": {"const": "task-control.v0.4-proposal"},
    "dispatcher_id": {"$ref": "https://go-sip.local/contracts/v1/mq.schema.json#/$defs/dispatcherId"},
    "tenant_id": {"$ref": "https://go-sip.local/contracts/v1/mq.schema.json#/$defs/id"},
    "tenant_key": {"$ref": "https://go-sip.local/contracts/v1/mq.schema.json#/$defs/tenantKey"},
    "trace_id": {"$ref": "https://go-sip.local/contracts/v1/mq.schema.json#/$defs/id"},
    "issued_at": {"$ref": "https://go-sip.local/contracts/v1/mq.schema.json#/$defs/time"},
    "command_type": {"const": "task.control"},
    "payload": {
      "type": "object", "additionalProperties": false,
      "required": ["task_id", "action", "reason"],
      "properties": {
        "task_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,128}$"},
        "action": {"enum": ["pause", "resume", "stop"]},
        "reason": {"type": "string", "minLength": 1, "maxLength": 512}
      }
    }
  }
}