* fix(tui): fix model selection and enforce unique model_name, also fix model form button highlight
* feat(tui): add footer view with navigation instructions and update menu structure
* fix(tui): update model selection labels for clarity and consistency
* refactor(tui): remove unused rootChannelDescription function
* refactor(tui): simplify rootModelDescription and remove unused 'q' event handling in channel menu
* fix(tui): keep selected model name updated
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---------
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
io.ReadAll errors were silently discarded with `body, _ := io.ReadAll(...)`,
which could cause empty or partial data to be used for JSON unmarshaling
or error messages. This adds proper error checks for all instances.
- Implement POSIX-specific gateway process management in gateway_posix.go
- Implement Windows-specific gateway process management in gateway_windows.go
- Create a menu system in menu.go for user interaction
- Develop model management functionality in model.go, including adding, deleting, and testing models
- Introduce a style configuration in style.go for consistent UI appearance
- Set up the main application entry point in main.go
- Update go.mod and go.sum to include necessary dependencies for tcell and tview
