Add Share Inbox flow for unresolved WhatsApp imports

lib/features/local/local_models.dart

@@ -480,6 +480,106 @@ class SharedMessageEntry {
   }
 }
 
+enum SharedInboxReason { ambiguousProfileMatch, missingIdentity }
+
+@immutable
+class SharedInboxEntry {
+  const SharedInboxEntry({
+    required this.id,
+    required this.sourceApp,
+    required this.messageText,
+    required this.sharedAt,
+    required this.receivedAt,
+    required this.reason,
+    required this.candidateProfileIds,
+    required this.normalizedDisplayName,
+    this.sourceDisplayName,
+    this.sourceUserId,
+    this.sourceThreadId,
+  });
+
+  final String id;
+  final String sourceApp;
+  final String messageText;
+  final DateTime sharedAt;
+  final DateTime receivedAt;
+  final SharedInboxReason reason;
+  final List<String> candidateProfileIds;
+  final String normalizedDisplayName;
+  final String? sourceDisplayName;
+  final String? sourceUserId;
+  final String? sourceThreadId;
+
+  SharedInboxEntry copyWith({
+    String? id,
+    String? sourceApp,
+    String? messageText,
+    DateTime? sharedAt,
+    DateTime? receivedAt,
+    SharedInboxReason? reason,
+    List<String>? candidateProfileIds,
+    String? normalizedDisplayName,
+    String? sourceDisplayName,
+    String? sourceUserId,
+    String? sourceThreadId,
+  }) {
+    return SharedInboxEntry(
+      id: id ?? this.id,
+      sourceApp: sourceApp ?? this.sourceApp,
+      messageText: messageText ?? this.messageText,
+      sharedAt: sharedAt ?? this.sharedAt,
+      receivedAt: receivedAt ?? this.receivedAt,
+      reason: reason ?? this.reason,
+      candidateProfileIds: candidateProfileIds ?? this.candidateProfileIds,
+      normalizedDisplayName:
+          normalizedDisplayName ?? this.normalizedDisplayName,
+      sourceDisplayName: sourceDisplayName ?? this.sourceDisplayName,
+      sourceUserId: sourceUserId ?? this.sourceUserId,
+      sourceThreadId: sourceThreadId ?? this.sourceThreadId,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return <String, dynamic>{
+      'id': id,
+      'sourceApp': sourceApp,
+      'messageText': messageText,
+      'sharedAt': sharedAt.toUtc().toIso8601String(),
+      'receivedAt': receivedAt.toUtc().toIso8601String(),
+      'reason': reason.name,
+      'candidateProfileIds': candidateProfileIds,
+      'normalizedDisplayName': normalizedDisplayName,
+      'sourceDisplayName': sourceDisplayName,
+      'sourceUserId': sourceUserId,
+      'sourceThreadId': sourceThreadId,
+    };
+  }
+
+  factory SharedInboxEntry.fromJson(Map<String, dynamic> json) {
+    final String reasonName =
+        json['reason'] as String? ?? SharedInboxReason.missingIdentity.name;
+    return SharedInboxEntry(
+      id: json['id'] as String,
+      sourceApp: json['sourceApp'] as String,
+      messageText: json['messageText'] as String? ?? '',
+      sharedAt: DateTime.parse(json['sharedAt'] as String).toLocal(),
+      receivedAt: DateTime.parse(json['receivedAt'] as String).toLocal(),
+      reason: SharedInboxReason.values.firstWhere(
+        (SharedInboxReason item) => item.name == reasonName,
+        orElse: () => SharedInboxReason.missingIdentity,
+      ),
+      candidateProfileIds:
+          (json['candidateProfileIds'] as List<dynamic>? ?? <dynamic>[])
+              .map((dynamic id) => '$id')
+              .toList(growable: false),
+      normalizedDisplayName: json['normalizedDisplayName'] as String? ?? '',
+      sourceDisplayName: json['sourceDisplayName'] as String?,
+      sourceUserId: json['sourceUserId'] as String?,
+      sourceThreadId: json['sourceThreadId'] as String?,
+    );
+  }
+}
+
 @immutable
 class DashboardSummary {
   const DashboardSummary({
@@ -505,6 +605,7 @@ class LocalDataState {
     required this.tasks,
     this.sourceLinks = const <SourceProfileLink>[],
     this.sharedMessages = const <SharedMessageEntry>[],
+    this.sharedInbox = const <SharedInboxEntry>[],
   });
 
   final List<PersonProfile> people;
@@ -514,6 +615,7 @@ class LocalDataState {
   final List<DashboardTask> tasks;
   final List<SourceProfileLink> sourceLinks;
   final List<SharedMessageEntry> sharedMessages;
+  final List<SharedInboxEntry> sharedInbox;
 
   LocalDataState copyWith({
     List<PersonProfile>? people,
@@ -523,6 +625,7 @@ class LocalDataState {
     List<DashboardTask>? tasks,
     List<SourceProfileLink>? sourceLinks,
     List<SharedMessageEntry>? sharedMessages,
+    List<SharedInboxEntry>? sharedInbox,
   }) {
     return LocalDataState(
       people: people ?? this.people,
@@ -532,6 +635,7 @@ class LocalDataState {
       tasks: tasks ?? this.tasks,
       sourceLinks: sourceLinks ?? this.sourceLinks,
       sharedMessages: sharedMessages ?? this.sharedMessages,
+      sharedInbox: sharedInbox ?? this.sharedInbox,
     );
   }
 
@@ -574,6 +678,9 @@ class LocalDataState {
       'sharedMessages': sharedMessages
           .map((SharedMessageEntry entry) => entry.toJson())
           .toList(growable: false),
+      'sharedInbox': sharedInbox
+          .map((SharedInboxEntry entry) => entry.toJson())
+          .toList(growable: false),
     };
   }
 
@@ -621,6 +728,12 @@ class LocalDataState {
                 SharedMessageEntry.fromJson(entry as Map<String, dynamic>),
           )
           .toList(growable: false),
+      sharedInbox: (json['sharedInbox'] as List<dynamic>? ?? <dynamic>[])
+          .map(
+            (dynamic entry) =>
+                SharedInboxEntry.fromJson(entry as Map<String, dynamic>),
+          )
+          .toList(growable: false),
     );
   }