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feat(skill-listing): add SKL scanner for the skill-listing token budget

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Fase 4 Items 2+3 (CC 2.1.114→181 gap-review). New orchestrated scanner
`skill-listing-scanner.mjs` (prefix SKL) flags every active skill whose
description exceeds the verified 1,536-char listing cap (CC 2.1.105, changelog
L1502). Past the cap, Claude Code silently truncates the description the model
reads to route skill invocation — dropping the trigger phrases at the tail.
HOME-scoped over all user + plugin skills via enumerateSkills (COL is the model).

- CA-SKL-001 (medium): description > 1,536 chars. Remediation folds in Item
  2(b) — recommends disableBundledSkills + skillOverrides + trimming
  (designvalg A: no standalone GAP-check, which would fire for nearly everyone).
- Designvalg B: v1 ships the verified cap ONLY. The aggregate 2%-of-context
  listing budget is deferred — it needs a context-window assumption that would
  turn a verified fact into a guess (would carry a CALIBRATION_NOTE if added).
- Choice C: recognize the skillOverrides settings key (CC 2.1.129) in
  KNOWN_KEYS. Left OUT of TYPE_CHECKS — the value is a per-skill object
  (off/user-invocable-only/name-only), not a string; a 'string' check (as the
  plan sketched) would create a NEW false positive. Verify-first deviation.

Registration: scan-orchestrator (13th scanner), humanizer (SKL → 'Wasted
tokens' + static/_default translations), scoring SCANNER_AREA_MAP (→ Token
Efficiency; no 11th area), README badge 12→13, CLAUDE.md (finding-id +
test-count), docs/scanner-internals.md, gap-matrix + plan status notes.

Snapshots reseeded hermetically (SEED_SNAPSHOT/UPDATE_SNAPSHOT): SKL entry with
0 findings in empty HOME, scanners_ok 11→12, claudeMdEstimatedTokens bump from
the CLAUDE.md edits flowing through the cascade. Contamination grep clean.

Suite 868/868 (856 baseline + 11 SKL + 1 skillOverrides). RED→GREEN logged
per cycle.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ter3E2JSi1Khgmuf2kady8
This commit is contained in:
Kjell Tore Guttormsen 2026-06-18 17:36:28 +02:00
commit 7bb254780a
22 changed files with 390 additions and 37 deletions
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docs/cc-2.1.x-fase4-items-2-3-plan.md
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# Plan — Fase 4 Items 2 + 3 (skill-listing token-styring)
**Skrevet:** 2026-06-18 · **Scope:** kun `config-audit/` · **Status:** klar for utførelse (krever rask design-bekreftelse på 2 punkter FØR kode, så failing-test-først per syklus — Iron Law).
**Skrevet:** 2026-06-18 · **Scope:** kun `config-audit/` · **Status:** ✅ **LEVERT 2026-06-18.** Designvalg bekreftet: A=fold inn i SKL, B=v1 KUN 1 536-cap (aggregat utsatt), C=`skillOverrides` i KNOWN_KEYS (IKKE TYPE_CHECKS — verdien er objekt; avvik fra §C-skissen, verify-først). Syklus 1+3+4 ferdig; Syklus 2 (aggregat CA-SKL-002) gjenstår som valgfri stretch. Suite 868/868. Detaljer i `STATE.md`.
**Forrige:** Fase 4 Item 1 (4.7→modell-nøytral) levert som `8376dab`. Baseline **856/856 grønn**.
## Mål