style(format): dart format 자동 포맷 적용

- combat_tick_service, error_logger, save_integrity: 줄바꿈/정렬
- monetization_state_test, save_integrity_test: 포맷 정리
- macos/Podfile.lock: flutter pub get 반영

test/core/storage/save_integrity_test.dart

@@ -15,7 +15,10 @@ void main() {
         final signed = SaveIntegrity.sign(original);
 
         // 서명된 데이터 = HMAC(32바이트) + 원본
-        expect(signed.length, equals(SaveIntegrity.hmacLength + original.length));
+        expect(
+          signed.length,
+          equals(SaveIntegrity.hmacLength + original.length),
+        );
 
         final result = SaveIntegrity.verify(signed);
 
@@ -101,7 +104,9 @@ void main() {
       test('레거시 포맷은 HMAC 검증을 건너뛰고 원본 데이터 반환', () {
         // GZip 매직 바이트로 시작하는 큰 데이터
         final legacyData = Uint8List.fromList([
-          0x1f, 0x8b, ...List.generate(100, (i) => i % 256),
+          0x1f,
+          0x8b,
+          ...List.generate(100, (i) => i % 256),
         ]);
 
         final result = SaveIntegrity.verify(legacyData);