feat: Enhance messaging read receipts and auto-read, fix auth 401 error suppression during logout, and refine agent profile expertise

lib/features/agents/data/models/agent_profile.dart

@@ -151,23 +151,21 @@ class AgentProfile {
   }
 
   /// Get specializations / expertise from field values.
-  /// Matches web's getExpertiseTags slugs.
+  /// Matches web's getExpertiseTags slugs exactly.
   List<String> get specializations {
     final tags = <String>[];
+    // Must match web's expertiseFieldSlugs exactly (exact match, not contains)
     const expertiseSlugs = [
       'about_me_expertise',
       'expertise_areas',
       'specializations',
       'areas_of_expertise',
       'expertise',
-      'specialization',
-      'property_type',
-      'loan_type',
     ];
 
     for (final fv in fieldValues) {
       final slug = fv.fieldSlug.toLowerCase();
-      if (!expertiseSlugs.any((s) => slug.contains(s))) continue;
+      if (!expertiseSlugs.contains(slug)) continue;
 
       if (fv.jsonValue is List) {
         for (final v in (fv.jsonValue as List)) {