feat: add search toggle for game setup and improve RGPD compliance

lib/useSearchAllowed.ts

@@ -0,0 +1,35 @@
+"use client";
+
+import { useEffect, useState } from "react";
+
+const KEY = "wikirush_search_allowed";
+
+export function useSearchAllowed() {
+  const [allowed, setAllowed] = useState<boolean>(() => {
+    if (typeof window === "undefined") return false;
+    return localStorage.getItem(KEY) === "true";
+  });
+
+  function toggle() {
+    setAllowed((prev) => {
+      const next = !prev;
+      localStorage.setItem(KEY, String(next));
+      return next;
+    });
+  }
+
+  useEffect(() => {
+    function handleKeyDown(e: KeyboardEvent) {
+      if ((e.ctrlKey || e.metaKey) && e.key === "f") {
+        if (!allowed) {
+          e.preventDefault();
+          e.stopPropagation();
+        }
+      }
+    }
+    window.addEventListener("keydown", handleKeyDown, { capture: true });
+    return () => window.removeEventListener("keydown", handleKeyDown, { capture: true });
+  }, [allowed]);
+
+  return { allowed, toggle };
+}