feat: localization, file restriction banners, test credentials, edit icon fix

- #553: Audit and verify localizations (en/es), replace hardcoded strings
- #549: Incomplete profile banner in Find Shifts (staff app)
- #550: File restriction banner on document upload page
- #551: File restriction banner on certificate upload page
- #552: File restriction banner on attire upload page
- #492: Hide edit icon for past/completed orders (client app)
- #524: Display worker benefits in staff app
- Add test credentials to seed: testclient@gmail.com, staff +1-555-555-1234
- Fix document upload validation (context arg in _validatePdfFile on submit)
- Add PR_LOCALIZATION.md

Made-with: Cursor

apps/mobile/packages/data_connect/lib/src/connectors/staff/data/repositories/staff_connector_repository_impl.dart

@@ -1,4 +1,4 @@
-import 'package:firebase_data_connect/firebase_data_connect.dart';
+import 'package:firebase_data_connect/firebase_data_connect.dart';
 import 'package:krow_core/core.dart';
 import 'package:krow_data_connect/krow_data_connect.dart' as dc;
 import 'package:krow_domain/krow_domain.dart' as domain;
@@ -198,11 +198,16 @@ class StaffConnectorRepositoryImpl implements StaffConnectorRepository {
 
       return response.data.benefitsDatas
           .map(
-            (dc.ListBenefitsDataByStaffIdBenefitsDatas e) => domain.Benefit(
-              title: e.vendorBenefitPlan.title,
-              entitlementHours: e.vendorBenefitPlan.total?.toDouble() ?? 0,
-              usedHours: e.current.toDouble(),
-            ),
+            (dc.ListBenefitsDataByStaffIdBenefitsDatas e) {
+              final total =
+                  e.vendorBenefitPlan.total?.toDouble() ?? 0.0;
+              final remaining = e.current.toDouble();
+              return domain.Benefit(
+                title: e.vendorBenefitPlan.title,
+                entitlementHours: total,
+                usedHours: (total - remaining).clamp(0.0, total),
+              );
+            },
           )
           .toList();
     });