Improve permission dialog UX with arrow key navigation and number shortcuts

### Checks

- [x] I have searched [github.com/aws/amazon-q-developer-cli/issues](https://github.com/aws/amazon-q-developer-cli/issues?q=) and there are no duplicates of my issue
- [x] I have run `q doctor` in the affected terminal session
- [x] I have run `q restart` and replicated the issue again

### Operating system

macOS 15.6.1 (24G90)

### Expected behaviour

The permission dialog should support:
1. Arrow key navigation to select between options (y/n/t)
2. Number key shortcuts (1, 2, 3) for quick selection
3. Single-key selection without requiring Enter key press
4. Visual highlighting of the currently selected option

### Actual behaviour

Currently the permission dialog requires users to type 'y', 'n', or 't' followed by pressing Enter. This creates unnecessary friction in the user experience.

### Steps to reproduce

1. Trigger any permission request in Q CLI (e.g., file write, bash command)
2. Observe the current y/n/t + Enter input requirement
3. Note the lack of arrow key navigation or number shortcuts

### Environment

```yaml
[q-details]
version = "1.15.0"
hash = "eb8db5c635fc469f3bd94ead16bb4bfb32d7443b"
date = "2025-09-02T17:57:24.662205Z (13d ago)"
variant = "full"

[system-info]
os = "macOS 15.6.1 (24G90)"
chip = "Apple M2 Max"
total-cores = 12
memory = "32.00 GB"

[environment]
cwd = "/Users/USER"
cli-path = "/Users/USER"
os = "Mac"
shell-path = "/bin/zsh"
shell-version = "5.9"
terminal = "iTerm 2"
install-method = "unknown"

[env-vars]
PATH = "/Users/USER/.local/share/mise/installs/node/18.20.2/bin:/Users/USER/.local/share/mise/installs/python/3.12.11/bin:/Users/USER/.local/share/mise/installs/python/3.11.13/bin:/Users/USER/.local/share/mise/installs/python/3.10.18/bin:/Users/USER/.local/share/mise/installs/python/3.9.23/bin:/Users/USER/.local/share/mise/installs/python/3.8.20/bin:/opt/homebrew/bin:/opt/homebrew/sbin:/Library/Frameworks/Python.framework/Versions/3.13/bin:/Library/Frameworks/Python.framework/Versions/3.11/bin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/usr/local/share/dotnet:~/.dotnet/tools:/Users/USER/.cargo/bin:/Applications/iTerm.app/Contents/Resources/utilities:/Users/USER/.local/bin:/Users/USER/Library/Application Support/JetBrains/Toolbox/scripts:/Applications/Visual Studio Code.app/Contents/Resources/app/bin:/Users/USER/.toolbox/bin"
QTERM_SESSION_ID = "2713c61ec1bb47049b29a57385498f10"
Q_SET_PARENT_CHECK = "1"
Q_TERM = "1.15.0"
SHELL = "/bin/zsh"
TERM = "xterm-256color"
__CFBundleIdentifier = "com.googlecode.iterm2"
```

Inizia riproducendo una richiesta di autorizzazione come descritto, quindi individua la finestra di dialogo delle autorizzazioni di Q CLI e la gestione esistente dell’input y/n/t. Il lavoro è completato quando la navigazione con i tasti freccia, le scorciatoie 1/2/3, la selezione con un singolo tasto senza premere Enter e l’evidenziazione visibile funzionano in modo coerente per le opzioni di autorizzazione.

Scritto dal modello di indicizzazione a partire dal testo della issue.