Implemented Story 14: Auto-focus Chat Input
- Added inputRef using useRef<HTMLInputElement>
- Added useEffect to focus input on component mount
- Input now automatically receives focus when chat loads
- Cursor is visible and blinking immediately
- Users can start typing without clicking into the field
Updated Specs
- Added Input Focus Management section to UI_UX.md
- Specified auto-focus behavior and requirements
- Provided implementation example
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