{
  "generated_at": "2026-07-25T19:23:36.844107+00:00",
  "purpose": "Verify the real two-process Dramatiq path when the worker parent has already selected fork.",
  "method": {
    "backend": "deterministic",
    "worker_parent_bootstrap": "multiprocessing.set_start_method('fork', force=True)",
    "worker_command": "examples/evol_circle_packing.py worker --phase smoke --processes 2",
    "configured_processes": 2,
    "configured_islands": [
      "alpha",
      "beta"
    ],
    "max_total_jobs": 4,
    "max_unfinished_jobs": 2,
    "planning_delay_seconds": 0.05,
    "coding_delay_seconds": 0.1,
    "llm_api_used": false,
    "api_cost_usd": 0.0
  },
  "attempts": [
    {
      "outcome": "invalid_infrastructure_attempt",
      "symptom": "The scheduler could not see the disposable database created inside the Docker PostgreSQL container.",
      "cause": "localhost:5432 resolved to a separate host PostgreSQL server in this environment.",
      "replacement": "Use a dedicated schema on the exact PostgreSQL endpoint used by Loreley."
    },
    {
      "outcome": "valid",
      "postgres_isolation": "dedicated schema on the application endpoint",
      "redis_isolation": "empty database 14",
      "effective_pool_start_method": "spawn"
    }
  ],
  "result": {
    "all_jobs_terminal": true,
    "jobs_total": 4,
    "status_counts": {
      "succeeded": 4
    },
    "island_job_counts": {
      "alpha": 2,
      "beta": 2
    },
    "distinct_worker_pid_count": 2,
    "distinct_coding_workspace_count": 4,
    "trace_events": 8,
    "every_job_has_one_planning_and_coding_event": true,
    "duplicate_phase_events": {},
    "job_execution_window_seconds": 3.5996921062469482,
    "scheduler_worker_wall_seconds": 10.125321292085573
  },
  "conclusion": "A fork-initialized parent was replaced with spawn for the real Dramatiq pool; both workers used distinct base clones and workspaces, completed every job exactly once, and preserved fair island allocation.",
  "cleanup": {
    "postgres_schema_removed": true,
    "accidental_docker_database_removed": true,
    "redis_database_14_keys_after_run": 0
  },
  "secrets_recorded": false
}