From fa8408961a745e82bdbbab271dca8db26bfe148f Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 17 Jan 2026 18:13:15 +0000
Subject: [PATCH] feat: Implement UnifiedDB and SyncEngine\n\n- Replaced
 localStorage with IndexedDB (UnifiedDB) for robust data storage.\n-
 Implemented SyncEngine for advanced caching (SWR, TTL, background sync).\n-
 Migrated key services (WatchHistory, Subscriptions, UserBlocks, etc.) to new
 architecture.\n- Fixed regressions in ModerationService, TrustSeeds, and UI
 modals.\n- Resolved test failures in integration suite.