{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.gomission.io/mission-execution-receipt/v2.json",
  "title": "Mission Execution Receipt (v2, signed and trace-correlated)",
  "description": "Attests that the exact workspace key signed that the exact action executed under the exact decision, grant, policy, and payload, producing this provider result.",
  "type": "object",
  "required": ["schema", "receipt_id", "execution_id", "grant_id", "workspace_id", "capability", "target", "input_hash", "status", "immediate_signal", "result", "digests", "trace_context", "completed_at", "signature"],
  "properties": {
    "schema": { "const": "mission-execution-receipt/v2" },
    "receipt_id": { "type": "string", "minLength": 1 },
    "execution_id": { "type": "string", "minLength": 1 },
    "grant_id": { "type": "string", "minLength": 1 },
    "workspace_id": { "type": "string", "minLength": 1 },
    "capability": { "type": "string", "minLength": 1 },
    "target": { "type": "string" },
    "input_hash": { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
    "status": { "type": "string", "enum": ["completed"] },
    "immediate_signal": { "type": "string", "minLength": 1 },
    "result": { "type": "object" },
    "digests": {
      "type": "object",
      "required": ["action", "grant", "decision", "policy", "payload"],
      "properties": {
        "action":   { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
        "grant":    { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
        "decision": { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
        "policy":   { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
        "payload":  { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" }
      },
      "additionalProperties": false
    },
    "trace_context": {
      "type": "object",
      "required": ["trace_id", "enqueue_span_id", "process_span_id"],
      "properties": {
        "trace_id":        { "type": "string" },
        "enqueue_span_id": { "type": "string" },
        "process_span_id": { "type": "string" }
      },
      "additionalProperties": false
    },
    "completed_at": { "type": "string", "format": "date-time" },
    "signature": { "$ref": "https://schemas.gomission.io/mission-receipt-signature/v1.json" }
  },
  "additionalProperties": false
}