fix(permissions): wire up MUTE_MEMBERS bitmask and fix member permissions in frontend

web/src/components/MemberList.tsx

@@ -4,6 +4,7 @@ import { useAuthStore } from "../stores/auth.ts";
 import { useMemberStore, type Member } from "../stores/member.ts";
 import { usePresenceStore } from "../stores/presence.ts";
 import type { UserStatus } from "../stores/auth.ts";
+import { usePermissions } from "../lib/usePermissions.ts";
 import { MemberContextMenu } from "./MemberContextMenu.tsx";
 import { useConversationStore } from "../stores/conversation.ts";
 import { useLayoutStore } from "../stores/layout.ts";
@@ -59,16 +60,13 @@ function MemberRow({ member, onProfileClick }: MemberRowProps) {
   const status = presence?.status ?? member.status;
   const [menuOpen, setMenuOpen] = useState(false);
   const currentUser = useAuthStore((s) => s.user);
-  const userPerms = useServerStore((s) => s.userPermissions);
   const activeServerId = useServerStore((s) => s.activeServerId);
   const setActiveServer = useServerStore((s) => s.setActiveServer);
   const createConversation = useConversationStore((s) => s.createConversation);
   const setDM = useLayoutStore((s) => s.setDM);
   const navigate = useNavigate();
 
-  const canKick = userPerms?.kick_members ?? false;
-  const canBan = userPerms?.ban_members ?? false;
-  const canMute = userPerms?.mute_members ?? false;
+  const { canKick, canBan, canMute } = usePermissions(activeServerId);
   const isSelf = currentUser?.id === member.id;
 
   return (

web/src/components/VoicePanel.tsx

@@ -5,6 +5,8 @@ import { api } from '../lib/api.ts';
 import { VoiceControls } from './VoiceControls.tsx';
 import { VideoGrid } from './VideoGrid.tsx';
 import { AudioRenderers } from './AudioRenderers.tsx';
+import { usePermissions } from '../lib/usePermissions.ts';
+import { useChannelStore } from '../stores/channel.ts';
 
 export function VoicePanel() {
   const isConnected = useVoiceStore((state) => state.isConnected);
@@ -17,8 +19,15 @@ export function VoicePanel() {
   const dismissWhisper = useVoiceStore((state) => state.dismissWhisper);
   const currentUserId = useAuthStore((state) => state.user?.id);
 
-  const userPermissions = useServerStore((state) => state.userPermissions);
-  const canMute = userPermissions.mute_members || userPermissions.administrator;
+  const activeChannelId = useChannelStore((s) => s.activeChannelId);
+  const channelsByServer = useChannelStore((s) => s.channelsByServer);
+  const activeServerId = useServerStore((s) => s.activeServerId);
+  
+  const serverId = activeChannelId 
+    ? Object.entries(channelsByServer).find(([_, channels]) => channels.some(c => c.id === activeChannelId))?.[0]
+    : null;
+    
+  const { canMute } = usePermissions(serverId || activeServerId);
 
   const handleMute = async (identity: string) => {
     if (!currentRoom) return;