feat: Implement emergency contact management feature with UI and BLoC integration

apps/mobile/packages/data_connect/lib/src/mocks/profile_repository_mock.dart

@@ -42,4 +42,27 @@ class ProfileRepositoryMock {
     // Simulate processing delay
     await Future.delayed(const Duration(milliseconds: 300));
   }
+
+  /// Fetches emergency contacts for the given staff ID.
+  ///
+  /// Returns a list of [EmergencyContact].
+  Future<List<EmergencyContact>> getEmergencyContacts(String staffId) async {
+    await Future.delayed(const Duration(milliseconds: 500));
+    return [
+      const EmergencyContact(
+        name: 'Jane Doe',
+        phone: '555-987-6543',
+        relationship: 'Family',
+      ),
+    ];
+  }
+
+  /// Saves emergency contacts for the given staff ID.
+  Future<void> saveEmergencyContacts(
+    String staffId,
+    List<EmergencyContact> contacts,
+  ) async {
+    await Future.delayed(const Duration(seconds: 1));
+    // Simulate save
+  }
 }