refactor appeal for new and resume

lib/routing/requireQueryParams.js

@@ -0,0 +1,21 @@
+// lib/routing/requireQueryParams.js
+// Simple query validator for getServerSideProps
+
+export function requireQueryParams(query, requiredKeys = []) {
+    const missing = requiredKeys.filter((k) => !query?.[k]);
+    if (missing.length === 0) return { ok: true };
+
+    // Redirect to a generic error page you already have
+    // (you can swap this destination later)
+    const destination = `/error?missing=${encodeURIComponent(
+        missing.join(",")
+    )}`;
+    return {
+        ok: false,
+        redirect: {
+            destination,
+            permanent: false,
+        },
+        missing,
+    };
+}