{
 "decision": "Measured improvements are reproducible against held-out work. Promotion is NOT granted: the owner must approve. Nothing was enabled in the running system.",
 "experiments": [
  {
   "approval": "AWAITING_OWNER_APPROVAL",
   "baseline": 0.25,
   "candidate": 0.5,
   "change": "CalibratedRouter(min_samples=2) replaces family-only routing",
   "delta": 0.25,
   "experiment_id": "exp-e6711e9ef7206a",
   "heldout_tasks": 8,
   "hypothesis": "Requiring at least two observations per task family before specialising, and otherwise falling back to overall measured accuracy, improves held-out accuracy over unspecialised family routing on small calibration sets.",
   "status": "MEASURED",
   "target": "model_routing"
  },
  {
   "approval": "AWAITING_OWNER_APPROVAL",
   "baseline": 0.3333333333333333,
   "candidate": 1.0,
   "change": "AdaptiveResourceController soft/hard caps + lease-aware refusal",
   "delta": 0.6666666666666667,
   "experiment_id": "exp-68f3d9a27e1369",
   "heldout_tasks": 3,
   "hypothesis": "Resource-aware admission sized from measured task cost prevents lease expiry and mission failure under a 1 s lease, without changing the definition of productive work.",
   "status": "MEASURED",
   "target": "scheduling_admission"
  }
 ],
 "history": {
  "experiments": 4,
  "ok": true,
  "problems": []
 },
 "refusals": [
  {
   "case": "protected_target",
   "error": "EvolutionError: target 'authorization' is a protected governance component",
   "refused": true
  },
  {
   "case": "no_heldout",
   "error": "EvolutionError: held-out tasks required",
   "refused": true
  },
  {
   "case": "evaluator_substitution",
   "error": "EvolutionError: evaluator changed; self-referential evaluation refused",
   "refused": true
  },
  {
   "case": "self_promotion",
   "error": "an external approver is required; agent identities cannot promote",
   "refused": true
  }
 ],
 "regression_suite": "E69 synthetic suite preserved (tests/test_e69_collective.py)",
 "schema": "cain72.self_improvement.v1"
}