## CHANGES
- Add high-performance Go changelog generator with GraphQL integration
- Implement SQLite-based persistent caching for incremental updates
- Create one-pass git history walking algorithm with concurrent processing
- Add comprehensive CLI with cobra framework and tag-based caching
- Integrate AI summarization using Fabric CLI for enhanced output
- Support batch PR fetching with GitHub Search API optimization
- Add VSCode configuration with spell checking and markdown linting
- Include extensive documentation with PRD and README files
- Implement commit-PR mapping for lightning-fast git operations
- Add content hashing for change detection and cache optimization
### CHANGES
- Introduce `cmd` directory for all main application binaries.
- Move all Go packages into the `internal` directory.
- Rename the `restapi` package to `server` for clarity.
- Consolidate patterns and strategies into a new `data` directory.
- Group all auxiliary scripts into a new `scripts` directory.
- Move all documentation and images into a `docs` directory.
- Update all Go import paths to reflect the new structure.
- Adjust CI/CD workflows and build commands for new layout.