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/core/api/assets.py

@@ -22,7 +22,7 @@ assets_bp = Blueprint('assets', __name__)
 # =============================================================================
 
 @assets_bp.route('/types', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def list_asset_types():
     """List all asset types."""
     page, per_page = get_pagination_params(request)
@@ -41,7 +41,7 @@ def list_asset_types():
 
 
 @assets_bp.route('/types/<int:type_id>', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def get_asset_type(type_id: int):
     """Get a single asset type."""
     t = AssetType.query.get(type_id)
@@ -91,7 +91,7 @@ def create_asset_type():
 # =============================================================================
 
 @assets_bp.route('/statuses', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def list_asset_statuses():
     """List all asset statuses."""
     page, per_page = get_pagination_params(request)
@@ -110,7 +110,7 @@ def list_asset_statuses():
 
 
 @assets_bp.route('/statuses/<int:status_id>', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def get_asset_status(status_id: int):
     """Get a single asset status."""
     s = AssetStatus.query.get(status_id)
@@ -158,7 +158,7 @@ def create_asset_status():
 # =============================================================================
 
 @assets_bp.route('', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def list_assets():
     """
     List all assets with filtering and pagination.
@@ -240,7 +240,7 @@ def list_assets():
 
 
 @assets_bp.route('/<int:asset_id>', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def get_asset(asset_id: int):
     """
     Get a single asset with full details.
@@ -370,7 +370,7 @@ def delete_asset(asset_id: int):
 
 
 @assets_bp.route('/lookup/<assetnumber>', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def lookup_asset_by_number(assetnumber: str):
     """
     Look up an asset by its asset number.
@@ -798,7 +798,7 @@ def get_assets_map():
 
 
 @assets_bp.route('/<int:asset_id>/communications', methods=['GET'])
-@jwt_required()
+@jwt_required(optional=True)
 def get_asset_communications(asset_id: int):
     """Get all communications for an asset."""
     from shopdb.core.models import Communication