adding ability to tag listings eg if you have applied to it / adding ability to add notes to a listing

lib/services/storage/watchListStorage.js

@@ -47,6 +47,25 @@ export const deleteWatch = (listingId, userId) => {
   return { deleted: Boolean(res?.changes) };
 };
 
+/**
+ * Ensure a watch entry exists. Does not toggle; safe to call when row may already exist.
+ * Used by the status endpoint to auto-watch a listing when a status is set.
+ * @param {string} listingId
+ * @param {string} userId
+ * @returns {{watched:boolean}}
+ */
+export const ensureWatch = (listingId, userId) => {
+  if (!listingId || !userId) return { watched: false };
+  const { created } = createWatch(listingId, userId);
+  if (created) return { watched: true };
+  const exists =
+    SqliteConnection.query(
+      `SELECT 1 AS ok FROM watch_list WHERE listing_id = @listing_id AND user_id = @user_id LIMIT 1`,
+      { listing_id: listingId, user_id: userId },
+    ).length > 0;
+  return { watched: exists };
+};
+
 /**
  * Toggle a watch entry. If exists -> delete, otherwise create.
  * @param {string} listingId