Feature request: partial accept (next word) for inline suggestions in kiro-cli

### 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 26.2.0 (25C56)

### Expected behaviour

Feature request: partial accept (next word) for inline suggestions in kiro-cli

### Actual behaviour

Feature request: partial accept (next word) for inline suggestions in kiro-cli

### Steps to reproduce

Feature request: partial accept (next word) for inline suggestions in kiro-cli

### Environment

```yaml
Feature request: partial accept (next word) for inline suggestions in kiro-cli
```

L'issue non identifica alcun file, test o punto di ingresso per il comportamento dei suggerimenti inline di kiro-cli. Inizia individuando l'implementazione dei suggerimenti inline e i relativi controlli di accettazione, quindi definisci l'interazione prevista per la parola successiva e i test prima di modificarla.

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