- Replace fmt.Fprintf/os.Stderr with centralized debuglog.Log across CLI
- Add unconditional Log function to debuglog for important messages
- Improve OAuth flow messaging and token refresh diagnostics
- Update tests to capture debuglog output via SetOutput
- Convert Perplexity streaming errors to unified debug logging
- Emit file write notifications through debuglog instead of stderr
- Warn on ambiguous model selection using centralized logger
- Announce large audio processing steps via debuglog progress messages
- Standardize extension registry and patterns warnings through debuglog
## CHANGES
- Add file existence check before creating output file
- Return error if target file already exists
- Change success message to write to stderr
- Update message format with brackets for clarity
- Prevent accidental file overwrites during output creation
## 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
- 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.
