- Add dependency checking for SoX, espeak-ng, Ollama
- Add DepsSetupScreen to guide users through brew installs
- Auto-download binaries and models from GitHub Releases / HuggingFace
- Support resume and cancel for downloads
- Add install-dependencies.sh script for power users
- Increase default window height for better layout
- Follow HTTP redirects during downloads
- Fix progress double-counting on resume
- Extend download timeout to 120s for large files