Full 12-step Debug Protocol on /platform/administration/modules/. Backed up 7 UI files. BS3→BS5: 14 data-toggle→data-bs-toggle, 13 data-dismiss→data-bs-dismiss, 12 btn-default→btn-secondary, 3 pull-right→float-end, 8 label-*→badge bg-*, carousel data-ride/target/slide-to→data-bs-*, col-xs-12→col-12, ti-layout-grid4→fa-th-large, nav-tabs→nav-pills with nav-item/nav-link, tab-pane fade show active. Removed FA4 CDN (already in template). Added v7 dark mode CSS block: card-box, portlet, table-bordered, module-card hover effects. Tested 8 AJAX endpoints (all PASS). Verified all 3 tabs (Shop View, Table View, Categories) in both light and dark mode with viewport screenshots. Zero PHP/JS/network errors.