feat: community PRs — faster install, skill namespacing, uninstall, Codex fallback, Windows fix, Python patterns (v0.12.9.0) (#561)

* fix: sync package.json version with VERSION file (0.12.7.0)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* perf: shallow clone for faster install (#484)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: Python/async/SSRF patterns in review checklist (#531)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: namespace skill symlinks with gstack- prefix (#503)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: add uninstall script (#323)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: office-hours Claude subagent fallback when Codex unavailable (#464)

Updates generateCodexSecondOpinion resolver to always offer second opinion
and fall back to Claude subagent when Codex is unavailable or errors.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: findPort() race condition via net.createServer (#490)

Replaces Bun.serve() port probing with net.createServer() for proper
async bind/close semantics. Fixes Windows EADDRINUSE race condition.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* test: add tests for uninstall, setup prefix, and resolver fallback

- Uninstall integration tests: syntax, flags, mock install layout, upgrade path
- Setup prefix tests: gstack-* prefixing, --no-prefix, cleanup migration
- Resolver tests: Claude subagent fallback in generated SKILL.md

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* chore: bump version and changelog (v0.12.9.0)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gstack",
-  "version": "0.12.8.1",
+  "version": "0.12.9.0",
   "description": "Garry's Stack — Claude Code skills + fast headless browser. One repo, one install, entire AI engineering workflow.",
   "license": "MIT",
   "type": "module",