docs(claude-md): expand gstack section with full grouped command list

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

CLAUDE.md

@@ -54,15 +54,16 @@ Re-indexes automatically on commit (PostToolUse hook). Manual refresh if stale:
 
 ### gstack skills
 
-Always use `/browse` for web, never `mcp__claude-in-chrome__*`. Most-used:
+Always use `/browse` for web, never `mcp__claude-in-chrome__*`.
 
-- `/review` — pre-land PR review
+Available commands:
-- `/ship` — tests + review + PR creation
+
-- `/browse` + `/qa` / `/qa-only` — headless browser testing (setup: Lesson 82)
+- **Planning & review:** `/autoplan`, `/plan-eng-review`, `/plan-design-review`, `/plan-ceo-review`, `/plan-devex-review`, `/devex-review`, `/review`, `/cso`, `/office-hours`
-- `/design-review` — visual QA
+- **Design:** `/design-consultation`, `/design-shotgun`, `/design-html`, `/design-review`
-- `/investigate` — systematic debug with root cause
+- **Browser & QA:** `/browse`, `/connect-chrome`, `/qa`, `/qa-only`, `/setup-browser-cookies`
-- `/codex` — OpenAI Codex second opinion
+- **Ship & deploy:** `/ship`, `/land-and-deploy`, `/canary`, `/benchmark`, `/setup-deploy`, `/document-release`
-- `/plan-eng-review` / `/plan-design-review` / `/plan-ceo-review` — plan critiques
+- **Debug & investigate:** `/investigate`, `/careful`, `/freeze`, `/guard`, `/unfreeze`
+- **Other:** `/codex` (OpenAI second opinion), `/setup-gbrain`, `/retro`, `/learn`, `/gstack-upgrade`
 
 ### Git trailer