{
  "schema": "MAKNOW_FLR007_LAB_FIXTURES_v1",
  "note": "Synthetic deterministic network-state records only. No production network, credentials, customer data, destructive action, or external target is used.",
  "cases": [
    {
      "id": "healthy_baseline",
      "a_to_b": "UP",
      "b_to_a": "UP",
      "request_sent": true,
      "response_seen": true,
      "remote_effect": "CONFIRMED",
      "latency_ms": 40,
      "deadline_ms": 300,
      "retry_count": 0,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "CONVERGED",
      "post_probe_ok": true,
      "evidence_complete": true
    },
    {
      "id": "symmetric_request_drop",
      "a_to_b": "DOWN",
      "b_to_a": "DOWN",
      "request_sent": true,
      "response_seen": false,
      "remote_effect": "NOT_OBSERVED",
      "latency_ms": null,
      "deadline_ms": 300,
      "retry_count": 1,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "CONVERGED",
      "post_probe_ok": true,
      "evidence_complete": true
    },
    {
      "id": "response_loss_remote_effect",
      "a_to_b": "UP",
      "b_to_a": "DOWN",
      "request_sent": true,
      "response_seen": false,
      "remote_effect": "CONFIRMED",
      "latency_ms": null,
      "deadline_ms": 300,
      "retry_count": 1,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "CONVERGED",
      "post_probe_ok": true,
      "evidence_complete": true
    },
    {
      "id": "delay_beyond_deadline",
      "a_to_b": "DELAYED",
      "b_to_a": "DELAYED",
      "request_sent": true,
      "response_seen": false,
      "remote_effect": "UNKNOWN",
      "latency_ms": 900,
      "deadline_ms": 300,
      "retry_count": 1,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "CONVERGED",
      "post_probe_ok": true,
      "evidence_complete": true
    },
    {
      "id": "retry_budget_exhausted",
      "a_to_b": "DOWN",
      "b_to_a": "DOWN",
      "request_sent": true,
      "response_seen": false,
      "remote_effect": "UNKNOWN",
      "latency_ms": null,
      "deadline_ms": 300,
      "retry_count": 2,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "CONVERGED",
      "post_probe_ok": true,
      "evidence_complete": true
    },
    {
      "id": "adjacent_service_failure",
      "a_to_b": "UP",
      "b_to_a": "UP",
      "request_sent": true,
      "response_seen": true,
      "remote_effect": "REJECTED",
      "latency_ms": 55,
      "deadline_ms": 300,
      "retry_count": 0,
      "retry_budget": 2,
      "service_error": true,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "CONVERGED",
      "post_probe_ok": true,
      "evidence_complete": true
    },
    {
      "id": "boundary_unresolved",
      "a_to_b": "UNKNOWN",
      "b_to_a": "UNKNOWN",
      "request_sent": true,
      "response_seen": false,
      "remote_effect": "UNKNOWN",
      "latency_ms": null,
      "deadline_ms": 300,
      "retry_count": 0,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UNKNOWN",
      "post_b_to_a": "UNKNOWN",
      "post_replica_state": "UNKNOWN",
      "post_probe_ok": false,
      "evidence_complete": false
    },
    {
      "id": "transfer_response_loss_stale_replica",
      "a_to_b": "UP",
      "b_to_a": "DOWN",
      "request_sent": true,
      "response_seen": false,
      "remote_effect": "CONFIRMED",
      "latency_ms": null,
      "deadline_ms": 300,
      "retry_count": 1,
      "retry_budget": 2,
      "service_error": false,
      "post_a_to_b": "UP",
      "post_b_to_a": "UP",
      "post_replica_state": "STALE",
      "post_probe_ok": true,
      "evidence_complete": true
    }
  ]
}