Wait for saved filter persistence before reporting success

src/context/AppContext.jsx

@@ -593,9 +593,6 @@ export const AppProvider = ({ children }) => {
     }
   }, [tenders]);
 
-  useEffect(() => {
-    if (veriSenkron) ilkYazmaDegil('saved_filters', savedFilters);
-  }, [savedFilters, veriSenkron]);
 
   // (Sahte "online kullanıcı" rastgele sayacı kaldırıldı — canlı istatistikler
   //  gerçek /api/stats verisinden gelir.)
@@ -677,18 +674,20 @@ export const AppProvider = ({ children }) => {
     return mutateTender(tenderId, {kanbanStatus:newStatus,atananPersonel:assignedUser ?? t?.atananPersonel ?? null,takipte:true});
   };
 
-  const addSavedFilter = (newFilter) => {
-    const filterObj = {
-      id: 'sf-' + Date.now(),
-      user: userProfile.username,
-      ...newFilter
-    };
-    setSavedFilters(prev => [filterObj, ...prev]);
-  };
-
-  const deleteSavedFilter = (id) => {
-    setSavedFilters(prev => prev.filter(f => f.id !== id));
+  const filterSaveLock=useRef(false);
+  const persistSavedFilters=async next=>{
+    if(!authUser||!veriSenkron){setSaveError('Hesap verileri yüklenmeden filtre kaydedilemez.');return false;}
+    if(filterSaveLock.current){setSaveError('Önceki filtre kaydı sürüyor.');return false;}
+    const session=getToken();filterSaveLock.current=true;setSavingCount(n=>n+1);setSaveError(null);
+    try{
+      await setUserData('saved_filters',next);
+      if(getToken()!==session)return false;
+      setSavedFilters(next);return true;
+    }catch(error){if(getToken()===session)setSaveError(error.message);return false;}
+    finally{filterSaveLock.current=false;setSavingCount(n=>n-1);}
   };
+  const addSavedFilter = newFilter => persistSavedFilters([{...newFilter,id:'sf-'+crypto.randomUUID(),user:userProfile.username},...savedFilters]);
+  const deleteSavedFilter = id => persistSavedFilters(savedFilters.filter(filter=>filter.id!==id));
 
   const clearAllFilters = () => {
     setSearchQuery('');