v0.4.0

What's Changed

• docs: update skills/README.md to yibi-stack actual skills + spectra plan ADR by @howie in #2
• docs(readme): add bilingual EN/ZH description of stack benefits and architecture by @howie in #1
• refactor: reorganize skills into 7 plugin packs for selective marketplace install by @howie in #3
• fix(mob-skill): fix Gemini auth detection for gemini-credentials.json by @howie in #4
• ci: add GitHub Actions CI and release workflows by @howie in #5
• docs: fix skill README classification rule, auth regex, and make target naming by @howie in #6
• feat(hooks): block worktree checkout of main/master by @howie in #8
• docs(CLAUDE.md): add PR #8 retro gotchas -- CI merge commit and --orphan by @howie in #10
• feat(pr-review-cycle-mob): add Codex/Gemini extract pipeline to reduce token cost by @howie in #9

Full Changelog: https://github.com/howie/yibi-stack/commits/v0.4.0