Fix state machine issues

src/lib/moderation/lockMonitor.ts

@@ -19,12 +19,13 @@ import { logger } from '../logger';
  * @param state - Current moderation state
  * @param dispatch - State machine dispatch function
  * @param itemId - ID of the locked item (optional, for manual extension)
+ * @returns Extension function to manually extend lock
  */
 export function useLockMonitor(
   state: ModerationState,
   dispatch: React.Dispatch<ModerationAction>,
   itemId?: string
-) {
+): { extendLock: () => Promise<void> } {
   useEffect(() => {
     if (!hasActiveLock(state)) {
       return;
@@ -54,6 +55,14 @@ export function useLockMonitor(
 
     return () => clearInterval(checkInterval);
   }, [state, dispatch, itemId]);
+
+  const extendLock = async () => {
+    if (itemId) {
+      await handleExtendLock(itemId, dispatch);
+    }
+  };
+
+  return { extendLock };
 }
 
 /**
@@ -62,7 +71,7 @@ export function useLockMonitor(
  * @param submissionId - Submission ID
  * @param dispatch - State machine dispatch function
  */
-async function handleExtendLock(
+export async function handleExtendLock(
   submissionId: string,
   dispatch: React.Dispatch<ModerationAction>
 ) {