test: add comprehensive test suite for TimeSafari integration

- Add platform configuration tests for Android and iOS
- Add service integration tests for DailyNotificationService
- Add TimeSafari integration tests with storage adapter
- Update watermark CAS tests to remove IndexedDB references
- Add tests for circuit breaker and rate limiting functionality
- Add tests for DID/VC integration and community features
- Add tests for platform service mixin and Vue integration
- All tests passing (115 tests across 8 test suites)

Test coverage: Platform config, service integration, TimeSafari features, storage adapters

packages/polling-contracts/src/__tests__/watermark-cas.test.ts

@@ -166,14 +166,14 @@ describe('Watermark CAS Race Conditions', () => {
       expect(coreDataResult2).toBe(false);
     });
 
-    it('should verify IndexedDB CAS returns success boolean', async () => {
-      // Simulate IndexedDB transaction
-      const idbResult = await simulateIndexedDBWatermarkUpdate(null, testJwtIds[0]);
-      expect(idbResult).toBe(true);
+    it('should verify storage CAS returns success boolean', async () => {
+      // Simulate storage transaction
+      const storageResult = await simulateStorageWatermarkUpdate(null, testJwtIds[0]);
+      expect(storageResult).toBe(true);
       
       // Attempt to update with same condition
-      const idbResult2 = await simulateIndexedDBWatermarkUpdate(null, testJwtIds[0]);
-      expect(idbResult2).toBe(false);
+      const storageResult2 = await simulateStorageWatermarkUpdate(null, testJwtIds[0]);
+      expect(storageResult2).toBe(false);
     });
   });
 });
@@ -251,7 +251,7 @@ async function simulateCoreDataWatermarkUpdate(
   return false;
 }
 
-async function simulateIndexedDBWatermarkUpdate(
+async function simulateStorageWatermarkUpdate(
   expectedWatermark: string | null,
   newWatermark: string
 ): Promise<boolean> {