Fix impersonation: hard navigation + stop impersonating banner

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/(student)/layout.tsx

@@ -4,6 +4,7 @@ import { redirect } from "next/navigation";
 import Link from "next/link";
 import { LogoutButton } from "@/components/layout/logout-button";
 import { getSetting } from "@/lib/settings";
+import { StopImpersonateBanner } from "@/components/admin/stop-impersonate-banner";
 
 export default async function StudentLayout({ children }: { children: React.ReactNode }) {
   const session = await auth.api.getSession({ headers: await headers() });
@@ -15,8 +16,11 @@ export default async function StudentLayout({ children }: { children: React.Reac
     if (maintenance === "true") redirect("/maintenance");
   }
 
+  const isImpersonating = !!(session.session as { impersonatedBy?: string }).impersonatedBy;
+
   return (
     <div className="min-h-screen flex flex-col" style={{ backgroundColor: "var(--background)" }}>
+      {isImpersonating && <StopImpersonateBanner userName={session.user.name} />}
       <header
         className="sticky top-0 z-10 flex items-center justify-between px-6 py-3"
         style={{ borderBottom: "2px solid var(--border)", backgroundColor: "var(--background)" }}

src/components/admin/stop-impersonate-banner.tsx

@@ -0,0 +1,40 @@
+"use client";
+
+import { useState } from "react";
+import { authClient } from "@/lib/auth-client";
+
+export function StopImpersonateBanner({ userName }: { userName: string }) {
+  const [loading, setLoading] = useState(false);
+
+  async function handleStop() {
+    setLoading(true);
+    try {
+      await authClient.admin.stopImpersonating();
+      window.location.href = "/admin/users";
+    } catch {
+      setLoading(false);
+    }
+  }
+
+  return (
+    <div
+      className="flex items-center justify-between px-6 py-2 text-sm"
+      style={{
+        backgroundColor: "var(--color-highlight)",
+        borderBottom: "2px solid var(--foreground)",
+      }}
+    >
+      <span>
+        Вы просматриваете платформу как <strong>{userName}</strong>
+      </span>
+      <button
+        type="button"
+        onClick={handleStop}
+        disabled={loading}
+        className="btn-aubade text-xs px-3 py-1"
+      >
+        {loading ? "..." : "← Вернуться в админку"}
+      </button>
+    </div>
+  );
+}

src/components/admin/users-table.tsx

@@ -100,9 +100,8 @@ function ImpersonateButton({ userId }: { userId: string }) {
     setLoading(true);
     try {
       await authClient.admin.impersonateUser({ userId });
-      router.push("/dashboard");
+      window.location.href = "/dashboard";
-      router.refresh();
+    } catch {
-    } finally {
       setLoading(false);
     }
   }