- Improved input trimming and console output formatting in `tts.ts`
- Updated codespan colors in the markdown renderer for better visual contrast
- Disabled `noPropertyAccessFromIndexSignature` in tsconfig.json
- Pin `@types/bun` to `^1.3.14` for reproducible builds instead of using `latest`
- Update `tsconfig.json` with stricter type-checking flags and reorganize compiler options
- Refactor `initConfig` to DRY up the model default logic and add a null guard before process exit