## CHANGES
- Initialize Parts slice with empty slice in Content struct
- Prevent potential nil pointer dereference during message conversion
- Ensure Parts field is ready for append operations
- Improve robustness of convertMessages function in Gemini client
## CHANGES
- Replace deprecated generative-ai-go with google.golang.org/genai library
- Add TTS model detection and audio output validation
- Implement WAV file generation for TTS audio responses
- Add audio format checking utilities in CLI output
- Update Gemini client to support streaming with new SDK
- Add "Kore" and "subchunk" to VSCode spell checker dictionary
- Remove extra blank line from changelog formatting
- Update dependency imports and remove unused packages
## CHANGES
- Move domain types from common to domain package
- Move utility functions from common to util package
- Update all import statements across codebase
- Reorganize OAuth storage functionality into util package
- Move file management functions to domain package
- Update test files to use new package structure
- Maintain backward compatibility for existing functionality
### 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.
