Merge pm (panel-based access, supervisor role) onto the restored RBAC base

Reverting 253c922 first made this merge small — only two conflicts:
- MobileTabBar: supervisor null-check combined with v7's /review hiding
- ArrivalsPage: pm's PM+supervisor scoping combined with v8's 3-way fetch
  (transfers) and its transfer-receive helpers, plus pm's canAccess gate

frontend/src/components/RequirePmProjects.tsx

@@ -16,11 +16,13 @@ export function RequirePmProjects({ children }: { children: ReactNode }) {
   const setProjects = useAuthStore((s) => s.setProjects);
   const logout = useLogout();
 
-  const isSupervisor = user?.role === "supervisor";
+  // پنل انبار limited هم مثل سرپرست: پروژه‌های فعالش از عضویت‌ها اعتبارسنجی می‌شود
+  const isSupervisor = user?.role === "supervisor" || user?.panels?.inventory === "limited";
   const [state, setState] = useState<"loading" | "ok" | "empty">(isSupervisor ? "loading" : "ok");
 
   useEffect(() => {
-    if (!user || user.role !== "supervisor") {
+    const scoped = user?.role === "supervisor" || user?.panels?.inventory === "limited";
+    if (!user || !scoped) {
       setState("ok");
       return;
     }
@@ -45,7 +47,7 @@ export function RequirePmProjects({ children }: { children: ReactNode }) {
       alive = false;
     };
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [user?.id, user?.role, isDev]);
+  }, [user?.id, user?.role, user?.panels, isDev]);
 
   if (state === "loading") {
     return (

frontend/src/components/layout/MobileTabBar.tsx

@@ -80,18 +80,24 @@ export function MobileTabBar() {
   const { pathname } = useLocation();
 
   if (pathname === "/login" || pathname === "/admin") return null;
+  // خانه حداقلی استعلام (تدارکات limited): بدون تب ERP — PM هم تب‌بار خودش را دارد
+  if (pathname === "/requester" || pathname === "/panel/pm") return null;
+  // کاربر فقطِ تدارکات-limited: تب‌های انبار/دفتر ندارد
+  const panels = useAuthStore.getState().user?.panels ?? {};
+  if (panels.procurement === "limited" && !panels.inventory && !panels.pm) return null;
   // پنل مدیریت پروژه: iframe تمام‌صفحه‌ی PM است و خودش تب‌بار داخلی دارد
   if (pathname === "/panel/pm") return null;
-  // سرپرست پروژه فقطِ پنل PM است و هیچ تب ERP ندارد
-  if (role === "supervisor") return null;
   const isPM = role === "pm";
+  const isSupervisor = role === "supervisor";
   const isOffice = role === "admin" || role === "procurement_manager";
 
   if (pathname.startsWith("/inventory")) {
     if (isPM) return <TabBar tabs={PM_INV_TABS} />;
-    if (isOffice) return <TabBar tabs={ADMIN_INV_TABS} />;
+    if (isOffice || isSupervisor) return <TabBar tabs={ADMIN_INV_TABS} />;
     return null;
   }
+  // سرپرست پروژه به بخش‌های تدارکات/دفتر دسترسی ندارد
+  if (isSupervisor) return null;
   if (pathname === "/wizard" || pathname.startsWith("/review")) return null;
   const onOfficePage =
     pathname === "/" ||