feat(labels): standardize automatic label creation to match ecosystem convention
@goal: WHOOSH-LABELS-004, WSH-CONSISTENCY - Ecosystem standardization
Replace custom label set with standardized CHORUS ecosystem labels:
- Add all 8 GitHub-standard labels (bug, duplicate, enhancement, etc.)
- Fix bzzz-task color from #ff6b6b to #5319e7 for consistency
- Remove custom priority labels and whoosh-monitored label
- Maintain backward compatibility and error handling
Changes:
- Updated EnsureRequiredLabels() in internal/gitea/client.go
- Added requirement traceability comments throughout
- Updated integration points in internal/server/server.go
- Created comprehensive decision record
Benefits:
- Consistent labeling across WHOOSH, CHORUS, KACHING repositories
- Familiar GitHub-standard labels for better developer experience
- Improved tool integration and issue management
- Preserved bzzz-task automation for CHORUS workflow
Fixes: WHOOSH issue #4
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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