fix(inventory): envelope transfer responses and add defensive array guards in UI

frontend/src/pages/Inventory/ChangeInventoryPage.tsx

@@ -216,16 +216,20 @@ export function ChangeInventoryPage() {
     setLoadingTransfers(true);
     try {
       const list = await apiV26.projectTransfers.list(user.project_id, "outgoing");
-      setTransfers(list);
+      setTransfers(Array.isArray(list) ? list : []);
     } catch (err) {
       console.error("Failed to load project transfers:", err);
+      setTransfers([]);
     } finally {
       setLoadingTransfers(false);
     }
   }, [user?.project_id]);
 
   useEffect(() => {
-    api.projects.list().then(setAllProjects).catch(() => {});
+    api.projects
+      .list()
+      .then((res) => setAllProjects(Array.isArray(res) ? res : []))
+      .catch(() => setAllProjects([]));
   }, []);
 
   useEffect(() => {
@@ -651,7 +655,7 @@ export function ChangeInventoryPage() {
                   onChange={(e) => setToProjectId(e.target.value)}
                 >
                   <option value="">— انتخاب پروژه مقصد —</option>
-                  {allProjects
+                  {(allProjects || [])
                     .filter((p) => p.id !== user?.project_id)
                     .map((p) => (
                       <option key={p.id} value={p.id}>
@@ -840,11 +844,11 @@ export function ChangeInventoryPage() {
                   onChange={(e) => setNote(e.target.value)}
                 />
               </div>
-              {type === "PROJECT_TRANSFER" && matchedStock && matchedStock.length > 0 && (
+              {type === "PROJECT_TRANSFER" && (matchedStock?.length ?? 0) > 0 && (
                 <div className="field md:col-span-2 rounded-lg border border-line/70 bg-bg/50 p-3 text-xs">
                   <div className="font-semibold text-muted mb-1.5">موجودی‌های فعلی این متریال در انبار مبدأ ({whName(warehouses, whId)}):</div>
                   <div className="flex flex-wrap gap-2">
-                    {matchedStock.map((s) => (
+                    {(matchedStock || []).map((s) => (
                       <div key={s.id} className="rounded-md border border-line bg-panel px-2.5 py-1 text-[11.5px] shadow-2xs">
                         <span className="font-medium">{s.brand?.name || "بدون برند"}</span>
                         <span className="text-muted"> — {Object.entries(s.specs || {}).map(([k, v]) => `${k}: ${v}`).join(" · ") || "بدون مشخصه"} — </span>
@@ -940,7 +944,7 @@ export function ChangeInventoryPage() {
 
             {loadingTransfers ? (
               <div className="py-8 text-center text-xs text-muted">در حال بارگذاری سوابق…</div>
-            ) : !transfers.length ? (
+            ) : !(transfers || []).length ? (
               <div className="py-8 text-center text-xs text-muted">هیچ انتقال بین کارگاهی از این پروژه ثبت نشده است.</div>
             ) : (
               <div className="mt-3 overflow-x-auto">
@@ -957,7 +961,7 @@ export function ChangeInventoryPage() {
                     </tr>
                   </thead>
                   <tbody className="divide-y divide-line/50">
-                    {transfers.map((t) => {
+                    {(transfers || []).map((t) => {
                       const isInTransit = t.status === "in_transit";
                       return (
                         <tr key={t.id} className="hover:bg-bg/40">
@@ -1057,7 +1061,7 @@ export function ChangeInventoryPage() {
                     value={editToProjectId}
                     onChange={(e) => setEditToProjectId(e.target.value)}
                   >
-                    {allProjects
+                    {(allProjects || [])
                       .filter((p) => p.id !== user?.project_id)
                       .map((p) => (
                         <option key={p.id} value={p.id}>