v3: code quality pass, various bug fixes

src/contexts/WSContext.ts

@@ -5,6 +5,7 @@ import type {
   Notification,
   OnlineUser,
   Playlist,
+  PublicUser,
 } from "../model.ts";
 
 export interface VoteEvent {
@@ -28,6 +29,10 @@ export interface CommentEvent {
   commentId?: string;
 }
 
+export interface UserEvent {
+  user: PublicUser;
+}
+
 export interface WSContextValue {
   onlineUsers: OnlineUser[];
   voteCounts: Record<string, number>;
@@ -39,6 +44,7 @@ export interface WSContextValue {
   lastPlaylistEvent: PlaylistEvent | null;
   deletedPlaylistIds: Set<string>;
   lastCommentEvent: CommentEvent | null;
+  lastUserEvent: UserEvent | null;
   unreadNotificationCount: number;
   lastNotification: Notification | null;
   castVote: (dumpId: string) => void;
@@ -58,6 +64,7 @@ export const WSContext = createContext<WSContextValue>({
   lastPlaylistEvent: null,
   deletedPlaylistIds: new Set(),
   lastCommentEvent: null,
+  lastUserEvent: null,
   unreadNotificationCount: 0,
   lastNotification: null,
   castVote: () => {},