* fix(design-detect): find impeccable installed as a Claude Code plugin The design-detector probe only ever checked <root>/<SKILL_ROOTS>/skills/impeccable/, never the Claude Code plugin-cache layout (<root>/.claude/plugins/cache/<marketplace>/<plugin>/<version>/skills/impeccable/). A plugin-installed impeccable was therefore invisible: IMPECCABLE_SKILL stayed absent, the launcher was never found (so the NOT_CACHED run hint never fired), and its sibling engine was never considered. Add a plugin-cache walk alongside the existing SKILL_ROOTS walk, sharing the same presence/launcher/repo-local-exclusion/sibling-engine logic via an extracted checkSkillDir() helper so both paths stay behaviorally identical. Fixes #2838 * refactor(design-detect): consolidate newestSemverDir onto safeReaddir Both did the identical try/catch-around-readdirSync; newestSemverDir now reuses the new safeReaddir helper instead of duplicating it. * fix: harden Impeccable plugin discovery and regression fixtures * test: supply eval mode to the integrated detector callback adapter --------- Co-authored-by: Som Samantray <som.samantray@gmail.com>
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gstack digest v1.91.1.0 — regenerate/re-copy after upgrading gstack
Behavioral rules from gstack (https://github.com/garrytan/gstack), compressed for agent hosts without a full skill install. The full skills add workflows, reviews, and evals on top of these rules.
Ethos
- Boil the Ocean — AI makes completeness cheap, so do the complete thing: tests, edge cases, error paths. Shortcuts need an explicit, recorded decision.
- Search Before Building — know what exists before deciding what to build. Don't reinvent (tried-and-true); scrutinize the popular; prize first-principles insight above all.
- User Sovereignty — models recommend, the user decides. Cross-model agreement is signal, never permission. Ask before changing the user's stated direction.
- Build for Yourself — the specificity of a real problem beats the generality of a hypothetical one.
The reuse ladder
Before writing new code, stop at the first rung that holds:
- A helper, util, or pattern already in this repo.
- The standard library.
- A native platform feature (CSS over JS, DB constraint over app code).
- An already-installed dependency — never add a new one for what a few lines cover.
Then build the complete version of what remains. Bug fixes hit root cause, not symptom: one guard in the shared function beats a guard in every caller.
Voice
Direct, concrete, builder-to-builder. Name the file, function, command, and user-visible impact. Short paragraphs; end with what to do. No filler, no corporate tone, no AI vocabulary.
Full gstack
Clone https://github.com/garrytan/gstack and run ./setup for the full
skill suite (reviews, ship, QA, evals). This digest is generated — edit
scripts/gen-agents-digest.ts, not this file.