Release 0.3: Discord sync functionality

Features:
- Discord message export and summarization tool
- Comprehensive filtering (date, username, topic)
- Automatic summary generation with statistics
- 32 new tests for Discord sync functionality
- Fixed 4 pre-existing test failures
- Test architecture documentation
- ediscord alias for easy access

All 51 tests passing

Release v0.2: Restored test suite and improved sync script

- Restored complete test suite (all test files)
- Restored config-loader.sh script
- Made safety-checks.sh configurable using UPSTREAM_ORG and YOUR_GITHUB_USER
- Added backward compatibility aliases for safety checks
- Fixed sync-upstream.sh to skip push prompt when branch is up-to-date
- All 19 tests passing (13 config-loader + 6 safety-checks)

Release v0.1: Improved embabel-hub startup script and documentation

- Automatic .env file sourcing for easier configuration
- Better error handling and startup verification
- Comprehensive documentation in STARTUP.md
- All security checks passing