docs: extend error handling audit with Phase 2 (bd-3gc)
Audited 10 additional cmd/bd files for error handling consistency:
- daemon_sync.go, list.go, show.go, dep.go, label.go
- comments.go, delete.go, compact.go, config.go, validate.go
Key findings:
- Pattern compliance is excellent (~97% for Pattern A, ~95% for Pattern B)
- Identified good patterns: batch operations continue, daemon fallback
- Updated compliance scorecard with new results
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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