diff --git a/web/database/worker/db-worker.js b/web/database/worker/db-worker.js
--- a/web/database/worker/db-worker.js
+++ b/web/database/worker/db-worker.js
@@ -25,6 +25,11 @@
   updateDraft,
 } from '../queries/draft-queries.js';
 import { getMetadata, setMetadata } from '../queries/metadata-queries.js';
+import {
+  getPersistStorageItem,
+  removePersistStorageItem,
+  setPersistStorageItem,
+} from '../queries/storage-engine-queries.js';
 import {
   CURRENT_USER_ID_KEY,
   SQLITE_CONTENT,
@@ -102,48 +107,70 @@
 async function processAppRequest(
   message: WorkerRequestMessage,
 ): Promise<?WorkerResponseMessage> {
+  // non-database operations
   if (message.type === workerRequestMessageTypes.PING) {
     return {
       type: workerResponseMessageTypes.PONG,
       text: 'PONG',
     };
-  } else if (message.type === workerRequestMessageTypes.INIT) {
-    await initDatabase(message.sqljsFilePath, message.sqljsFilename);
-    return;
   } else if (
     message.type === workerRequestMessageTypes.GENERATE_DATABASE_ENCRYPTION_KEY
   ) {
     const cryptoKey = await generateDatabaseCryptoKey();
     await localforage.setItem(SQLITE_ENCRYPTION_KEY, cryptoKey);
     return;
+  }
+
+  // database operations
+  if (message.type === workerRequestMessageTypes.INIT) {
+    await initDatabase(message.sqljsFilePath, message.sqljsFilename);
+    return;
+  }
+
+  if (!sqliteDb) {
+    throw new Error('Database not initialized');
+  }
+
+  // read-only operations
+  if (message.type === workerRequestMessageTypes.GET_CLIENT_STORE) {
+    return {
+      type: workerResponseMessageTypes.CLIENT_STORE,
+      store: getClientStore(),
+    };
+  } else if (message.type === workerRequestMessageTypes.GET_CURRENT_USER_ID) {
+    return {
+      type: workerResponseMessageTypes.GET_CURRENT_USER_ID,
+      userID: getMetadata(sqliteDb, CURRENT_USER_ID_KEY),
+    };
   } else if (
-    message.type === workerRequestMessageTypes.PROCESS_STORE_OPERATIONS
+    message.type === workerRequestMessageTypes.GET_PERSIST_STORAGE_ITEM
   ) {
+    return {
+      type: workerResponseMessageTypes.GET_PERSIST_STORAGE_ITEM,
+      item: getPersistStorageItem(sqliteDb, message.key),
+    };
+  }
+
+  // write operations
+  if (message.type === workerRequestMessageTypes.PROCESS_STORE_OPERATIONS) {
     const { draftStoreOperations } = message.storeOperations;
     if (draftStoreOperations) {
       processDraftStoreOperations(draftStoreOperations);
     }
     return;
-  } else if (message.type === workerRequestMessageTypes.GET_CLIENT_STORE) {
-    return {
-      type: workerResponseMessageTypes.CLIENT_STORE,
-      store: getClientStore(),
-    };
   } else if (message.type === workerRequestMessageTypes.SET_CURRENT_USER_ID) {
-    if (!sqliteDb) {
-      throw new Error('Database not initialized');
-    }
     setMetadata(sqliteDb, CURRENT_USER_ID_KEY, message.userID);
     return;
-  } else if (message.type === workerRequestMessageTypes.GET_CURRENT_USER_ID) {
-    if (!sqliteDb) {
-      throw new Error('Database not initialized');
-    }
-    const userID = getMetadata(sqliteDb, CURRENT_USER_ID_KEY);
-    return {
-      type: workerResponseMessageTypes.GET_CURRENT_USER_ID,
-      userID,
-    };
+  } else if (
+    message.type === workerRequestMessageTypes.SET_PERSIST_STORAGE_ITEM
+  ) {
+    setPersistStorageItem(sqliteDb, message.key, message.item);
+    return;
+  } else if (
+    message.type === workerRequestMessageTypes.REMOVE_PERSIST_STORAGE_ITEM
+  ) {
+    removePersistStorageItem(sqliteDb, message.key);
+    return;
   }
 
   throw new Error('Request type not supported');
diff --git a/web/types/worker-types.js b/web/types/worker-types.js
--- a/web/types/worker-types.js
+++ b/web/types/worker-types.js
@@ -14,6 +14,9 @@
   GET_CLIENT_STORE: 4,
   SET_CURRENT_USER_ID: 5,
   GET_CURRENT_USER_ID: 6,
+  GET_PERSIST_STORAGE_ITEM: 7,
+  SET_PERSIST_STORAGE_ITEM: 8,
+  REMOVE_PERSIST_STORAGE_ITEM: 9,
 });
 
 export type PingWorkerRequestMessage = {
@@ -49,6 +52,22 @@
   +type: 6,
 };
 
+export type GetPersistStorageItemRequestMessage = {
+  +type: 7,
+  +key: string,
+};
+
+export type SetPersistStorageItemRequestMessage = {
+  +type: 8,
+  +key: string,
+  +item: string,
+};
+
+export type RemovePersistStorageItemRequestMessage = {
+  +type: 9,
+  +key: string,
+};
+
 export type WorkerRequestMessage =
   | PingWorkerRequestMessage
   | InitWorkerRequestMessage
@@ -56,7 +75,10 @@
   | ProcessStoreOperationsRequestMessage
   | GetClientStoreRequestMessage
   | SetCurrentUserIDRequestMessage
-  | GetCurrentUserIDRequestMessage;
+  | GetCurrentUserIDRequestMessage
+  | GetPersistStorageItemRequestMessage
+  | SetPersistStorageItemRequestMessage
+  | RemovePersistStorageItemRequestMessage;
 
 export type WorkerRequestProxyMessage = {
   +id: number,
@@ -68,6 +90,7 @@
   PONG: 0,
   CLIENT_STORE: 1,
   GET_CURRENT_USER_ID: 2,
+  GET_PERSIST_STORAGE_ITEM: 3,
 });
 
 export type PongWorkerResponseMessage = {
@@ -85,10 +108,16 @@
   +userID: ?string,
 };
 
+export type GetPersistStorageItemResponseMessage = {
+  +type: 3,
+  +item: string,
+};
+
 export type WorkerResponseMessage =
   | PongWorkerResponseMessage
   | ClientStoreResponseMessage
-  | GetCurrentUserIDResponseMessage;
+  | GetCurrentUserIDResponseMessage
+  | GetPersistStorageItemResponseMessage;
 
 export type WorkerResponseProxyMessage = {
   +id?: number,