Bump version to 0.3.7

Bump version to 0.3.6

Release v0.3.5: WebSocket architecture refactor and critical bug fixes

Bump version to 0.3.2 and add get_snippet() tool

Bump version to 0.3.1

- Update version in src/constants.py, pyproject.toml, and frontend/package.json
- Add 0.3.1 release entry to CHANGELOG.md with performance improvements
- Sync frontend version with main application version

Release v0.3.0 - Major Architecture Improvements

🚀 Major Features & Improvements:
- Unified Code Extraction System with factory pattern
- Source-Scoped Duplicate Detection (Breaking Change)
- Enhanced Frontend Experience with improved search UX

🔧 Technical Improvements:
- New ExtractedCodeBlock model with semantic context
- Automatic database migration system
- Comprehensive test coverage for new extraction system

🐛 Bug Fixes:
- Fixed UploadProcessor missing heartbeat tracking
- Removed pygame-specific corruption handling from RST extractor
- Fixed retry failed pages to maintain original source association

See CHANGELOG.md for complete details.

Release v0.2.9 with simplified keyboard shortcuts and improved UI

Merge pull request #25 from chriswritescode-dev/rst-support

Rst support - UI Refactor

Release v0.2.7: Add GitHub repository processing and fix schema migra…

…tion

Merge pull request #19 from chriswritescode-dev/release-0.2.6

Release v0.2.6 - Enhanced Search & Markdown Support