{
  "version": "sentinel-audit-contract-v1",
  "purpose": "Force complete audit input payload for Sentinel to avoid blind-audit failures.",
  "required_fields": [
    "task_id",
    "audit_scope",
    "audit_payload",
    "source_type",
    "requested_output_schema"
  ],
  "field_rules": {
    "task_id": {
      "type": "string",
      "min_length": 8
    },
    "audit_scope": {
      "type": "string",
      "allowed": ["safety", "logic", "cost", "full"]
    },
    "audit_payload": {
      "type": "object",
      "required_any_of": ["inline_text", "file_paths", "artifact_refs"],
      "min_content_chars": 500
    },
    "source_type": {
      "type": "string",
      "allowed": ["inline", "workspace_file", "mixed"]
    },
    "requested_output_schema": {
      "type": "array",
      "must_include": ["decision", "scores", "issues", "must_fix", "release_conditions"]
    }
  },
  "gates": {
    "pre_audit_validation": true,
    "reject_on_missing_payload": true,
    "reject_on_unreadable_file_refs": true,
    "fallback_behavior": "return_input_contract_error"
  },
  "input_contract_error": {
    "code": "SENTINEL_INPUT_CONTRACT_MISSING",
    "message": "Audit payload incomplete. Provide inline_text or readable file_paths/artifact_refs before running Sentinel."
  }
}