refactor: remove CrashReporter and related logging components

- Removed CrashReporter interface and its implementation, SentryCrashReporter.
- Deleted log buffering functionality and associated LogBuffer class.
- Updated LoggerAppLogger to eliminate dependencies on removed components.
- Simplified logging structure to focus on AppLogger and sensitive data scrubbing.
- Adjusted AppEnv to remove Sentry-related configurations.
- Refactored tests to align with the new logging architecture.

app/integration_test/app_test.dart

@@ -7,7 +7,7 @@
 //
 // 跑法：
 //   flutter test integration_test/app_test.dart \
-//     --flavor dev -t lib/main_dev.dart --dart-define-from-file=env/dev.json
+//     --flavor dev
 // ---------------------------------------------------------------------------
 
 import 'package:app/bootstrap.dart';
@@ -20,7 +20,16 @@ void main() {
   IntegrationTestWidgetsFlutterBinding.ensureInitialized();
 
   testWidgets('冷启动后停在登录页', (WidgetTester tester) async {
-    await bootstrap(AppEnv.fromDartDefine(flavor: 'dev'));
+    await bootstrap(
+      AppEnv.fromConfig(
+        flavor: 'dev',
+        values: <String, Object?>{
+          'API_BASE_URL': 'https://api-dev.example.com',
+          'ENABLE_LOG': true,
+          'H5_ALLOWED_HOSTS': 'h5-dev.example.com',
+        },
+      ),
+    );
     await tester.pumpAndSettle();
 
     // 没有 token → SessionUnauthenticated → redirect 到 /login（04）。