add internal redirect

src/components/StoreInternalRedirect.tsx

@@ -0,0 +1,27 @@
+"use client";
+
+import { useEffect } from "react";
+import { INTERNAL_REDIRECT_KEY } from "@app/lib/internalRedirect";
+
+const TTL_MS = 10 * 60 * 1000; // 10 minutes
+
+export default function StoreInternalRedirect() {
+    useEffect(() => {
+        if (typeof window === "undefined") return;
+        const params = new URLSearchParams(window.location.search);
+        const value = params.get("internal_redirect");
+        if (value != null && value !== "") {
+            try {
+                const payload = JSON.stringify({
+                    path: value,
+                    expiresAt: Date.now() + TTL_MS
+                });
+                window.localStorage.setItem(INTERNAL_REDIRECT_KEY, payload);
+            } catch {
+                // ignore
+            }
+        }
+    }, []);
+
+    return null;
+}