- Add UI to create parts from missing IPNs in spreadsheet
- "+ Add New Part" button switches to create part view
- Auto-populate fields from spreadsheet (description, class, manufacturer, MPN)
- Normalize class field (uppercase, replace special chars with underscores)
- Add optional datasheet URL field
- Exclude section header rows (no manufacturer/MPN)
- Cancel button returns to browser view
- Align logo banner and h1 header to left
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Co-Authored-By: Claude <noreply@anthropic.com>
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