v0.8.67

Changelog

• bae444f feat(refs): 分支/标签独立 tab，支持备注与分页
• 0288e80 feat(search): embedded Bleve code search + async incremental indexing
• 8019fc2 fix(ci): remaining staticcheck switch + de-flake host cache test
• b5a32b6 fix(ci): resolve lint findings and index-latency in black-box search tests
• f684870 test(blackbox): cover short-hand issue/comment routes and ref-note endpoint
• f8aaed0 test(ci): widen index-wait timeouts; retry all host pipeline triggers on 429