fix(multi): restrict search and game settings to room host only

lib/useSearchAllowed.ts

@@ -4,12 +4,15 @@ import { useEffect, useState } from "react";
 
 const KEY = "wikirush_search_allowed";
 
+// Pour les modes solo/blitz : état local via localStorage + blocage Ctrl+F
 export function useSearchAllowed() {
   const [allowed, setAllowed] = useState<boolean>(() => {
     if (typeof window === "undefined") return false;
     return localStorage.getItem(KEY) === "true";
   });
 
+  useCtrlFBlock(allowed);
+
   function toggle() {
     setAllowed((prev) => {
       const next = !prev;
@@ -18,6 +21,11 @@ export function useSearchAllowed() {
     });
   }
 
+  return { allowed, toggle };
+}
+
+// Pour le mode multi : blocage Ctrl+F basé sur room.searchAllowed (vérité côté serveur)
+export function useCtrlFBlock(allowed: boolean) {
   useEffect(() => {
     function handleKeyDown(e: KeyboardEvent) {
       if ((e.ctrlKey || e.metaKey) && e.key === "f") {
@@ -30,6 +38,4 @@ export function useSearchAllowed() {
     window.addEventListener("keydown", handleKeyDown, { capture: true });
     return () => window.removeEventListener("keydown", handleKeyDown, { capture: true });
   }, [allowed]);
-
-  return { allowed, toggle };
 }