When content overflows in the Production ID text input, the scrollbar
now automatically appears. When content fits within the visible area,
the scrollbar is hidden.
- Changed layout from pack to grid for dynamic scrollbar control
- Added yview-based overflow detection (last < 1.0 indicates overflow)
- Added debounce mechanism to prevent excessive checks
- Bound events: KeyRelease, ButtonRelease, Configure, Paste
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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