feat: i18n (en/tr), zoom orijinal cozunurluk + max 20x + gaplessPlayback, app id com.softmediadesign.imajviewer, CI analyze+test

test/widget_test.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 import 'package:imajviewer/app.dart';
@@ -9,7 +10,7 @@ void main() {
     // Pump pending timers (Future.delayed in initState + polling)
     await tester.pump(const Duration(milliseconds: 500));
 
-    // Should show drag-drop hint text
-    expect(find.textContaining('sürükleyin'), findsOneWidget);
+    // Should show drag-drop hint (Key-based, locale independent)
+    expect(find.byKey(const Key('dragDropHint')), findsOneWidget);
   });
 }