- Convert preview filter from client-side JS to server-side AJAX
- Add debounce utility function for 300ms delayed AJAX calls
- Add filter handlers for all 4 preview types (tab, condition, group, filter-group)
- Add filterProductIdsByQuery() method to EntityPreviewHandler
- Update all AJAX handlers to support filter parameter
- Lock popover width when filtering to prevent resize
- Add loading overlay CSS for filter state
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
myprestarocks
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