{
  "method": "envace",
  "benchmark": "planbench-mini",
  "seed": 42,
  "episodes": 120,
  "metrics": {
    "answer_accuracy": 1.0,
    "plan_success": 1.0,
    "joint_success": 1.0,
    "average_cost": 1.2
  },
  "diagnostics": {
    "world_rehearsals": 360,
    "rolewise_advantage_updates": 720,
    "private_rehearsals": 360,
    "real_tool_responses": 0,
    "trajectory_rollouts": 360
  },
  "schema_version": 2,
  "manifest_ref": "experiments:envace-planbench-seed42",
  "evaluation_protocol": {
    "tier": "l1_mechanism",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/experiments/envace-planbench-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}