Constant AGENT_RUN_SCHEMA_JSON 

pub const AGENT_RUN_SCHEMA_JSON: &str = "{\n  \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n  \"$id\": \"https://schemas.fleetforge.dev/agent_run.json\",\n  \"title\": \"AgentRun Adapter Envelope\",\n  \"type\": \"object\",\n  \"required\": [\"adapter\", \"version\", \"action\", \"run_id\", \"timestamp\"],\n  \"additionalProperties\": true,\n  \"properties\": {\n    \"adapter\": {\n      \"type\": \"string\",\n      \"minLength\": 1\n    },\n    \"version\": {\n      \"type\": \"string\",\n      \"minLength\": 1\n    },\n    \"action\": {\n      \"type\": \"string\",\n      \"enum\": [\n        \"start\",\n        \"emit\",\n        \"checkpoint\",\n        \"restore\",\n        \"complete\",\n        \"error\"\n      ]\n    },\n    \"run_id\": {\n      \"type\": \"string\",\n      \"format\": \"uuid\"\n    },\n    \"step_id\": {\n      \"type\": \"string\",\n      \"format\": \"uuid\"\n    },\n    \"attempt\": {\n      \"type\": \"integer\",\n      \"minimum\": 0\n    },\n    \"payload\": {\n      \"type\": \"object\"\n    },\n    \"checkpoint\": {\n      \"type\": \"object\"\n    },\n    \"attestation_ids\": {\n      \"type\": \"array\",\n      \"items\": {\n        \"type\": \"string\",\n        \"format\": \"uuid\"\n      }\n    },\n    \"subject_id\": {\n      \"type\": \"string\",\n      \"minLength\": 1\n    },\n    \"material_digests\": {\n      \"type\": \"object\",\n      \"additionalProperties\": {\n        \"type\": \"string\",\n        \"minLength\": 1\n      }\n    },\n    \"policy_decision_id\": {\n      \"type\": \"string\",\n      \"format\": \"uuid\"\n    },\n    \"capability_token\": {\n      \"$ref\": \"https://schemas.fleetforge.dev/capability_token.json\"\n    },\n    \"capability_token_id\": {\n      \"type\": \"string\",\n      \"format\": \"uuid\"\n    },\n    \"timestamp\": {\n      \"type\": \"string\",\n      \"format\": \"date-time\"\n    },\n    \"traceparent\": {\n      \"type\": \"string\"\n    }\n  }\n}\n";