Safely manage SQLite database file lifecycles and DbContext connection states in Blazor WebAssembly sandboxes during database resets, imports, exports, and restores. USE FOR: managing virtual sqlite.db files inside browser filesystems (OPFS/IndexedDB), draining DbContext connection pools before replacing database files on disk, executing direct binary database exports, and configuring connection strings for local browser sandboxes. DO NOT USE FOR: standard server-side database migrations or normal EF Core entity schema mapping.