added features and fixes

web/src/stores/member.ts

@@ -5,6 +5,7 @@ export interface Member {
   id: string;
   username: string;
   display_name: string;
+  nickname?: string;
   avatar: string;
   status: "online" | "idle" | "dnd" | "offline";
   status_text: string;
@@ -15,6 +16,7 @@ interface MemberState {
   isLoading: boolean;
   fetchMembers: (serverId: string) => Promise<void>;
   updateMemberStatus: (userId: string, status: Member["status"]) => void;
+  setMemberNickname: (serverId: string, userId: string, nickname: string) => Promise<void>;
 }
 
 export const useMemberStore = create<MemberState>((set) => ({
@@ -46,4 +48,17 @@ export const useMemberStore = create<MemberState>((set) => ({
       }
       return { membersByServer: next };
     }),
+
+  setMemberNickname: async (serverId, userId, nickname) => {
+    await api.patch(`/servers/${serverId}/members/${userId}`, { nickname });
+    set((state) => {
+      const list = state.membersByServer[serverId] || [];
+      const updated = list.map((m) =>
+        m.id === userId ? { ...m, nickname: nickname || undefined } : m
+      );
+      return {
+        membersByServer: { ...state.membersByServer, [serverId]: updated },
+      };
+    });
+  },
 }));