Add print badges, pagination, route splitting, JWT auth fixes, and list page alignment

- Fix equipment badge barcode not rendering (loading race condition)
- Fix printer QR code not rendering on initial load (same race condition)
- Add model image to equipment badge via imageurl from Model table
- Fix white-on-white machine number text on badge, tighten barcode spacing
- Add PaginationBar component used across all list pages
- Split monolithic router into per-plugin route modules
- Fix 25 GET API endpoints returning 401 (jwt_required -> optional=True)
- Align list page columns across Equipment, PCs, and Network pages
- Add print views: EquipmentBadge, PrinterQRSingle, PrinterQRBatch, USBLabelBatch
- Add PC Relationships report, migration docs, and CLAUDE.md project guide
- Various plugin model, API, and frontend refinements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

shopdb/utils/pagination.py

@@ -23,7 +23,7 @@ def get_pagination_params(req=None) -> Tuple[int, int]:
         page = 1
 
     try:
-        per_page = int(req.args.get('per_page', default_size))
+        per_page = int(req.args.get('perpage', req.args.get('per_page', default_size)))
         per_page = max(1, min(per_page, max_size))
     except (TypeError, ValueError):
         per_page = default_size