- reconcileIndexedDbProbeFailureState now handles persist-mismatch:indexeddb-* reasons, ensuring bounded retries and transition to BLOCKED instead of hanging forever in LOADING
- expose clearCachedIndexedDbSnapshot, clearAllCachedIndexedDbSnapshots, closeBmeDb, closeAllBmeDbs, syncGraphLoadFromLiveContext in runtime context for UI actions
- onDeleteCurrentIdbController / onDeleteAllIdbController now clear in-memory caches, close DB handles, and force a fresh graph load sync after deletion
- humanize persist-mismatch:indexeddb-behind-commit-marker panel messages into user-friendly Chinese text
- add regression test for empty IndexedDB + accepted commit marker mismatch fallback-to-blocked scenario