- Add file input with hidden native picker
- Convert selected images to base64 data URLs
- Validate file type (images only) and size (max 5MB)
- Display error alerts for invalid uploads
- Show preview immediately after selection
- Update help text to indicate camera button functionality
- Handle image load/error states properly
Now clicking the camera button opens file picker and uploads work fully.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>