**CI Improvements:**
- Fix Go version: 1.25 → 1.23 (matches go.mod)
- Add coverage threshold check (fail <50%, warn <55%)
- Coverage check runs after tests, before codecov upload
**Issue Cleanup:**
- Close bd-1: Stale test issue from early development
- Close bd-2: Auto-export verified working
- Close bd-9: Collision resolution complete (all subtasks done)
- Close bd-69: Coverage threshold implemented
**New Issues:**
- bd-69: CI coverage threshold (completed this session)
- bd-70: Test coverage improvements for auto-flush/import
Addresses review findings. System is now clean and ready for plugin testing (bd-64).
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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