feat: enhance UI, branding assets, onboarding flow, and screen layouts

lib/state/compliance_controller.dart

@@ -104,7 +104,12 @@ class ComplianceController extends Notifier<ComplianceData> {
 
   /// Stand-in for the camera / file picker: attaching a file sends the item
   /// back for review.
-  void uploadFile(ComplianceSection section, String id, String fileName) {
+  void uploadFile(
+    ComplianceSection section,
+    String id,
+    String fileName, {
+    String? meta,
+  }) {
     _update(
       section,
       id,
@@ -112,7 +117,7 @@ class ComplianceController extends Notifier<ComplianceData> {
         state: ComplianceState.pending,
         statusLabel: 'In review',
         fileName: fileName,
-        fileMeta: 'Uploaded just now',
+        fileMeta: meta ?? 'Uploaded just now',
       ),
     );
   }