{
  "schema_version": "1.0.0",
  "ul_id": "UL-SYSTEM-EVOLUTION-001",
  "status": "candidate",
  "target_capability": "Route an ambiguous AI-engineering request to the correct skill and preserve a verifiable delivery path.",
  "decision_ref": "DEC-SYSTEM-EVOLUTION-001",
  "voi_gate_ref": "VOI-SYSTEM-EVOLUTION-001",
  "world_model_ref": "references/uncertainty-ladder-protocol.zh-CN.md",
  "current_rung": "UL-L3",
  "uncertainty_exposure": {
    "input_novelty": "partial",
    "context_ambiguity": "controlled",
    "tool_environment_variability": "controlled",
    "coordination_variability": "controlled",
    "authority_and_consequence": "sandbox",
    "evaluation_ambiguity": "controlled"
  },
  "released_this_round": [
    {
      "variable": "input_novelty",
      "reason": "Test whether a structurally similar but differently worded request still routes correctly.",
      "expected_learning": "Separate route-signal weakness from general skill-execution quality."
    }
  ],
  "held_constant": [
    "tool availability",
    "authority boundary",
    "acceptance rubric"
  ],
  "scaffolds_present": [
    "fixed repository",
    "deterministic router",
    "local validation"
  ],
  "consequence_budget": "Local read-only route check; no global install, publish, or production mutation.",
  "preregistered_signals": {
    "pass": ["The request routes to paranoia-ai-system-evolver and returns ul-state."],
    "fail": ["The request routes to a domain skill or loses the UL output."],
    "confounded": ["Router source, skill metadata, and fixture change in the same probe."],
    "stop": ["The route is stable on the target and negative-transfer cases."]
  },
  "attribution_gate": {
    "observable_failure": null,
    "candidate_bottlenecks": [
      "missing route signal",
      "overlapping domain-skill signal"
    ],
    "discriminating_probe": "Hold the router contract constant and vary only the request wording.",
    "primary_bottleneck": null,
    "attribution_confidence": "not_tested",
    "evidence_refs": []
  },
  "targeted_intervention": null,
  "same_rung_replay": [],
  "graduation_evidence": [],
  "transfer_checks": {
    "near": ["A second AI-engineering phrasing with the same structure."],
    "medium": ["A workflow-governance request that does not mention UL."],
    "far": [],
    "negative_transfer": ["A player-learning-curve request should remain in the appropriate domain skill."]
  },
  "next_uncertainty_to_release": "context_ambiguity",
  "fallback_rung": "UL-L2",
  "rollback": "Remove the UL route signals and restore the previous candidate router contract.",
  "stop_rule": "Stop after the target route and negative-transfer route both pass without widening authority.",
  "human_gate": {
    "required": false,
    "reason": "The probe is local, reversible, and has no real-user consequence."
  }
}