Submit customer identity proofs and show reviewed limits

frontend/packages/sxchnge_kyc/lib/src/models/identity.dart

@@ -36,16 +36,40 @@ class Identity {
     this.reason,
     this.submissionId,
     this.simulated = false,
+    this.profile = const IdentityProfile(),
+    this.upgradePending = false,
   });
   final IdentityStatus status;
   final ReviewReason? reason;
   final String? submissionId;
   final bool simulated;
+  final IdentityProfile profile;
+  final bool upgradePending;
   bool get canSubmit =>
       status == IdentityStatus.unverified ||
       status == IdentityStatus.changesRequested;
 }
 
+/// Customer assertions awaiting human review, distinct from a verified identity.
+class IdentityProfile {
+  const IdentityProfile({
+    this.fullName = '',
+    this.dateOfBirth = '',
+    this.residenceCountry = '',
+  });
+  final String fullName, dateOfBirth, residenceCountry;
+  bool get isComplete {
+    final date = DateTime.tryParse(dateOfBirth);
+    return fullName.trim().isNotEmpty &&
+        fullName.length <= 200 &&
+        RegExp(r'^\d{4}-\d{2}-\d{2}$').hasMatch(dateOfBirth) &&
+        date != null &&
+        date.toIso8601String().startsWith(dateOfBirth) &&
+        date.isBefore(DateTime.now()) &&
+        RegExp(r'^[A-Z]{2}$').hasMatch(residenceCountry);
+  }
+}
+
 /// Ephemeral image data only. Never serialize this model into storage or telemetry.
 class Photo {
   Photo(Uint8List bytes)