fix(web): replace NativeDatabase with drift_flutter driftDatabase() for web compatibility

lib/infrastructure/database/app_database.dart

@@ -1,9 +1,5 @@
-import 'dart:io';
-
 import 'package:drift/drift.dart';
-import 'package:drift/native.dart';
-import 'package:path/path.dart' as p;
-import 'package:path_provider/path_provider.dart';
+import 'package:drift_flutter/drift_flutter.dart';
 import 'package:uto_manager/infrastructure/database/daos/personnel_dao.dart';
 import 'package:uto_manager/infrastructure/database/daos/position_slot_dao.dart';
 import 'package:uto_manager/infrastructure/database/daos/template_dao.dart';
@@ -102,11 +98,9 @@ class AppDatabase extends _$AppDatabase {
       );
 }
 
-/// Opens the SQLite database connection for native platforms.
-LazyDatabase _openConnection() {
-  return LazyDatabase(() async {
-    final dbFolder = await getApplicationDocumentsDirectory();
-    final file = File(p.join(dbFolder.path, 'uto_manager.sqlite'));
-    return NativeDatabase.createInBackground(file);
-  });
+/// Opens a platform-adaptive database connection.
+///
+/// Uses SQLite via FFI on Windows/Android and WASM/IndexedDB on Web.
+QueryExecutor _openConnection() {
+  return driftDatabase(name: 'uto_manager');
 }

pubspec.lock

@@ -5,18 +5,18 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      sha256: cd6add6f846f35fb79f3c315296703c1a24f3cfd7f4739d91a74961c1c7e9f1b
+      sha256: "3b19a47f6ea7c2632760777c78174f47f6aec1e05f0cd611380d4593b8af1dbc"
       url: "https://pub.dev"
     source: hosted
-    version: "100.0.0"
+    version: "96.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      sha256: "6ba98576948803398b69e3a444df24eacdbe12ed699c7014e120ea38552debbf"
+      sha256: "0c516bc4ad36a1a75759e54d5047cb9d15cded4459df01aa35a0b5ec7db2c2a0"
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "10.2.0"
   args:
     dependency: transitive
     description:
@@ -125,10 +125,10 @@ packages:
     dependency: transitive
     description:
       name: cli_util
-      sha256: "71e43f1976c3eae2d9468a5b4d6600bf8cae61508b87f27fa1799228935d48ab"
+      sha256: ff6785f7e9e3c38ac98b2fb035701789de90154024a75b6cb926445e83197d1c
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.2"
+    version: "0.4.2"
   clock:
     dependency: transitive
     description:
@@ -181,26 +181,34 @@ packages:
     dependency: transitive
     description:
       name: dart_style
-      sha256: "59d53ef8eaed9d288ed9767618e2b31c4fa0383a127db59d5eb2e737a7638a60"
+      sha256: "29f7ecc274a86d32920b1d9cfc7502fa87220da41ec60b55f329559d5732e2b2"
       url: "https://pub.dev"
     source: hosted
-    version: "3.1.9"
+    version: "3.1.7"
   drift:
     dependency: "direct main"
     description:
       name: drift
-      sha256: "3a3f1f6f905037d7426e4c445854139fd6a3d592135f7c96d7931682b73d16f4"
+      sha256: "970cd188fddb111b26ea6a9b07a62bf5c2432d74147b8122c67044ae3b97e99e"
       url: "https://pub.dev"
     source: hosted
-    version: "2.34.3"
+    version: "2.31.0"
   drift_dev:
     dependency: "direct dev"
     description:
       name: drift_dev
-      sha256: "735aad3c34215805c66bd518c8812fa4f83b5534b2c13c4092c970c04a7e9983"
+      sha256: "917184b2fb867b70a548a83bf0d36268423b38d39968c06cce4905683da49587"
       url: "https://pub.dev"
     source: hosted
-    version: "2.34.5"
+    version: "2.31.0"
+  drift_flutter:
+    dependency: "direct main"
+    description:
+      name: drift_flutter
+      sha256: c07120854742a0cae2f7501a0da02493addde550db6641d284983c08762e60a7
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.8"
   equatable:
     dependency: "direct main"
     description:
@@ -427,14 +435,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
-  native_toolchain_c:
-    dependency: transitive
-    description:
-      name: native_toolchain_c
-      sha256: f9c168717100ae6d9fee9ffb0be379bf1f8b26b0f6bcbd4fdddcd931993a6a72
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.19.2"
   nested:
     dependency: transitive
     description:
@@ -628,10 +628,10 @@ packages:
     dependency: transitive
     description:
       name: sqlite3
-      sha256: "64b2c63c8232dd20d14b34105a81ebfd74320442e8451f836179ec89986aa478"
+      sha256: "3145bd74dcdb4fd6f5c6dda4d4e4490a8087d7f286a14dee5d37087290f0f8a2"
       url: "https://pub.dev"
     source: hosted
-    version: "3.5.1"
+    version: "2.9.4"
   sqlite3_flutter_libs:
     dependency: "direct main"
     description:
@@ -644,10 +644,10 @@ packages:
     dependency: transitive
     description:
       name: sqlparser
-      sha256: "772bb2f6f5bce0631a60f26b57d6e8882e1105c22345b05c163ee6ee5d7ba32d"
+      sha256: "337e9997f7141ffdd054259128553c348635fa318f7ca492f07a4ab76f850d19"
       url: "https://pub.dev"
     source: hosted
-    version: "0.45.0"
+    version: "0.43.1"
   stack_trace:
     dependency: transitive
     description:

pubspec.yaml

@@ -10,6 +10,7 @@ environment:
 dependencies:
   cupertino_icons: ^1.0.8
   drift: ^2.20.3
+  drift_flutter: ^0.2.8
   equatable: ^2.0.5
   flutter:
     sdk: flutter