{
  "schema": "LOC010_LAB_FIXTURES_v1",
  "cases": [
    {
      "id": "baseline_healthy",
      "worker_id": "worker-A",
      "current_identity_generation": 8,
      "message_identity_generation": 8,
      "heartbeat_age_s": 6,
      "liveness_window_s": 30,
      "inventory_age_s": 300,
      "inventory_ttl_s": 1800,
      "service_health": "SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 42,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 58,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 80,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 7200,
      "transport": "push"
    },
    {
      "id": "service_not_serving",
      "worker_id": "worker-B",
      "current_identity_generation": 11,
      "message_identity_generation": 11,
      "heartbeat_age_s": 7,
      "liveness_window_s": 30,
      "inventory_age_s": 420,
      "inventory_ttl_s": 1800,
      "service_health": "NOT_SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 30,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 44,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 120,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 1080,
      "transport": "push"
    },
    {
      "id": "inventory_stale",
      "worker_id": "worker-C",
      "current_identity_generation": 3,
      "message_identity_generation": 3,
      "heartbeat_age_s": 4,
      "liveness_window_s": 30,
      "inventory_age_s": 21600,
      "inventory_ttl_s": 1800,
      "service_health": "SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 25,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 40,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 90,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 5000,
      "transport": "push"
    },
    {
      "id": "old_identity_generation",
      "worker_id": "worker-D",
      "current_identity_generation": 8,
      "message_identity_generation": 7,
      "heartbeat_age_s": 3,
      "liveness_window_s": 30,
      "inventory_age_s": 200,
      "inventory_ttl_s": 1800,
      "service_health": "SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 20,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 35,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 100,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 900,
      "transport": "push"
    },
    {
      "id": "missing_disk_observation",
      "worker_id": "worker-E",
      "current_identity_generation": 4,
      "message_identity_generation": 4,
      "heartbeat_age_s": 5,
      "liveness_window_s": 30,
      "inventory_age_s": 240,
      "inventory_ttl_s": 1800,
      "service_health": "SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 28,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 48,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": null,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 3600,
      "transport": "push"
    },
    {
      "id": "version_drift",
      "worker_id": "worker-F",
      "current_identity_generation": 5,
      "message_identity_generation": 5,
      "heartbeat_age_s": 8,
      "liveness_window_s": 30,
      "inventory_age_s": 600,
      "inventory_ttl_s": 1800,
      "service_health": "SERVING",
      "service_version": "2.3.1",
      "expected_service_version": "2.4.0",
      "cpu_pct": 35,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 50,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 65,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 5400,
      "transport": "push"
    },
    {
      "id": "resource_pressure",
      "worker_id": "worker-G",
      "current_identity_generation": 2,
      "message_identity_generation": 2,
      "heartbeat_age_s": 10,
      "liveness_window_s": 30,
      "inventory_age_s": 500,
      "inventory_ttl_s": 1800,
      "service_health": "SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 94,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 92,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 12,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 4200,
      "transport": "push"
    },
    {
      "id": "streaming_transfer",
      "worker_id": "worker-H",
      "current_identity_generation": 9,
      "message_identity_generation": 9,
      "heartbeat_age_s": 18,
      "liveness_window_s": 45,
      "inventory_age_s": 900,
      "inventory_ttl_s": 2400,
      "service_health": "SERVING",
      "service_version": "2.4.0",
      "expected_service_version": "2.4.0",
      "cpu_pct": 47,
      "cpu_pressure_ceiling_pct": 90,
      "memory_pct": 61,
      "memory_pressure_ceiling_pct": 90,
      "disk_free_gb": 55,
      "disk_floor_gb": 20,
      "disk_signal_required": true,
      "process_uptime_s": 6000,
      "transport": "stream",
      "sampling_cadence_s": 15
    }
  ]
}