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Measurement skill declaring a signal code the engine does not compute (negative fixture for the signal-in-engine cross-check).
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
α role in CDD. Implements the selected change, produces the review-ready artifact set, and writes α close-out.
β role in CDD. Reviews the change, merges on approval, and writes β close-out. δ owns the release boundary (tag/deploy/disconnect).
Compatibility pointer. Cross-repo handoff doctrine has moved to cnos.handoff/skills/handoff/cross-repo/SKILL.md as of cnos#416 (Sub 2 of cnos#404 handoff extraction).
δ role-skill. Owns the two-sided coherence-cell membrane (outward boundary decision on receipt + V verdict; inward implementation-contract enrichment at dispatch) and the override authority that compose with V's verdict per RECEIPT-VALIDATION.md.
Produce the design artifact for a substantial change: incoherence, challenged assumption, impact graph, acceptance criteria, and leverage.
ε role in CDD — the CDD-specific instantiation of the generic ε doctrine. Reads receipt streams across cycles, surfaces `cdd-*-gap` findings, applies MCA discipline, and writes `cdd-iteration.md` when the cycle's receipt has `protocol_gap_count > 0`.
| name | fixture-bad-signal |
| description | Measurement skill declaring a signal code the engine does not compute (negative fixture for the signal-in-engine cross-check). |
| governing_question | Does a declared-but-nonexistent signal code fail validation? |
| artifact_class | measurement |
| scope | repo |
| kata_surface | none |
| triggers | ["fixture"] |
| inputs | ["none"] |
| outputs | ["none"] |
| self_measure | {"command":"coh-self","registry":"targets/registry.tsc","targets":["spec"],"cross_target":false,"instruction":"runtime/SELF-MEASURE.md","output_root":".tsc/self","default_mode":"mechanical","consistency":{"mechanical":"identical","llm_repeats":3,"llm_spread":"max abs pairwise diff over numeric contract fields, barrier-mapped"},"mechanical":{"backend":"engine/ocaml/lib/mechanical_scoring.ml","determinism":"fixture","signals":{"alpha":["alpha.nonexistent_signal"],"beta":[],"gamma":[]}},"llm":{"estimates":["delta_alpha_beta"],"must_not":["fixture"],"validation":"fixture","providers":{"local":"fixture","ci":"fixture"},"ci_prompt":"fixture"},"render":{"command_out":"scripts/coh-self","workflow_out":".github/workflows/tsc-self-measure.yml"},"ledger":{"path":".tsc/COHERENCE.md","cadence":"version-increments","mode":"hybrid","script":"scripts/coherence-ledger.sh","workflow_out":".github/workflows/tsc-coherence-ledger.yml"},"ci":{"llm_secret":"CLAUDE_CODE_OAUTH_TOKEN","llm_gate":"secret-presence","permission_intent":["contents.read"]}} |
Negative fixture: alpha.nonexistent_signal is not computed by the engine
and must fail the signal-in-engine cross-check.
