intermediate

app/lib/features/chat_archive/data/database/database.g.dart

@@ -403,8 +403,8 @@ abstract class _$ChatSearchDatabase extends GeneratedDatabase {
           chatFts,
         }).map((QueryRow row) => ChatQueryResult(
           fileName: row.read<String>('file_name'),
-          title: row.read<String>('title'),
-          contentSnippet: row.read<String>('content_snippet'),
+          title: row.readNullable<String>('title'),
+          contentSnippet: row.readNullable<String>('content_snippet'),
         ));
   }
 
@@ -702,11 +702,11 @@ class $ChatSearchDatabaseManager {
 
 class ChatQueryResult {
   final String fileName;
-  final String title;
-  final String contentSnippet;
+  final String? title;
+  final String? contentSnippet;
   ChatQueryResult({
     required this.fileName,
-    required this.title,
-    required this.contentSnippet,
+    this.title,
+    this.contentSnippet,
   });
 }

app/lib/features/chat_archive/data/providers.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:drift/drift.dart';
 import 'package:drift/native.dart';
 import 'package:lensai/features/chat_archive/data/database/database.dart';
@@ -12,7 +14,7 @@ part 'providers.g.dart';
 
 @Riverpod()
 ChatSearchDatabase chatSearchDatabase(Ref ref) {
-  return ChatSearchDatabase(
+  final db = ChatSearchDatabase(
     LazyDatabase(() async {
       // Also work around limitations on old Android versions
       if (Platform.isAndroid) {
@@ -29,4 +31,10 @@ ChatSearchDatabase chatSearchDatabase(Ref ref) {
       return NativeDatabase.memory();
     }),
   );
+
+  ref.onDispose(() {
+    unawaited(db.close());
+  });
+
+  return db;
 }

app/lib/features/chat_archive/data/providers.g.dart

@@ -7,7 +7,7 @@ part of 'providers.dart';
 // **************************************************************************
 
 String _$chatSearchDatabaseHash() =>
-    r'99700f1a2c25b24742c60fa8dd91fe744dcf21be';
+    r'17c972b3da21b6a2365cc5fd56a4eade0ac0a3f3';
 
 /// See also [chatSearchDatabase].
 @ProviderFor(chatSearchDatabase)

app/lib/features/chat_archive/presentation/screens/search.dart

@@ -91,9 +91,10 @@ class ChatArchiveSearchScreen extends HookConsumerWidget {
                               chatEntity.dateTime!.formatWithMinutePrecision(),
                             ),
                           const SizedBox(height: 8.0),
-                          MarkdownBody(
-                            data: chat.contentSnippet,
-                          ),
+                          if (chat.contentSnippet != null)
+                            MarkdownBody(
+                              data: chat.contentSnippet!,
+                            ),
                         ],
                       ),
                     ),