feat(bot): load custom avatar on instance startup

Thread AvatarStore from index.ts → BotManager → BotInstance so every
BotInstance reads the persisted custom avatar from disk at construction
time and hands it to BotProfileManager via setCustomAvatar.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/bot/instance.ts

@@ -16,6 +16,7 @@ import type { Logger } from "../logger.js";
 import type { BotDatabase, ProfileConfig } from "../data/database.js";
 import type { BotConfig } from "../data/config.js";
 import { BotProfileManager } from "./profile.js";
+import type { AvatarStore } from "../data/avatars.js";
 
 export interface BotInstanceOptions {
   id: string;
@@ -28,6 +29,7 @@ export interface BotInstanceOptions {
   database: BotDatabase;
   config: BotConfig;
   logger: Logger;
+  avatarStore: AvatarStore;
 }
 
 export interface BotStatus {
@@ -57,6 +59,7 @@ export class BotInstance extends EventEmitter {
   private database: BotDatabase;
   private config: BotConfig;
   private logger: Logger;
+  private avatarStore: AvatarStore;
   private connected = false;
   private disconnectEmitted = false;
   private voteSkipUsers = new Set<string>();
@@ -77,6 +80,7 @@ export class BotInstance extends EventEmitter {
     this.database = options.database;
     this.config = options.config;
     this.logger = options.logger.child({ botId: this.id });
+    this.avatarStore = options.avatarStore;
 
     this.tsClient = new TS3Client(options.tsOptions, this.logger);
     this.player = new AudioPlayer(this.logger);
@@ -90,6 +94,12 @@ export class BotInstance extends EventEmitter {
       options.tsOptions.nickname,
     );
 
+    const relPath = this.database.getCustomAvatarPath(this.id);
+    if (relPath) {
+      const buf = this.avatarStore.read(relPath);
+      if (buf) this.profileManager.setCustomAvatar(buf);
+    }
+
     this.setupPlayerEvents();
     this.setupTsEvents();
   }

src/bot/manager.ts

@@ -11,6 +11,7 @@ import type { BotConfig } from "../data/config.js";
 import type { Logger } from "../logger.js";
 
 import type { ServerProtocol } from "../ts-protocol/client.js";
+import type { AvatarStore } from "../data/avatars.js";
 
 /**
  * Run bot.connect() with a hard deadline. If the handshake hangs (e.g. the
@@ -74,6 +75,7 @@ export class BotManager extends EventEmitter {
   private database: BotDatabase;
   private config: BotConfig;
   private logger: Logger;
+  private avatarStore: AvatarStore;
 
   constructor(
     neteaseProvider: MusicProvider,
@@ -81,7 +83,8 @@ export class BotManager extends EventEmitter {
     bilibiliProvider: MusicProvider,
     database: BotDatabase,
     config: BotConfig,
-    logger: Logger
+    logger: Logger,
+    avatarStore: AvatarStore
   ) {
     super();
     this.neteaseProvider = neteaseProvider;
@@ -91,6 +94,7 @@ export class BotManager extends EventEmitter {
     this.database = database;
     this.config = config;
     this.logger = logger;
+    this.avatarStore = avatarStore;
   }
 
   async createBot(params: CreateBotParams): Promise<BotInstance> {
@@ -117,6 +121,7 @@ export class BotManager extends EventEmitter {
       database: this.database,
       config: this.config,
       logger: this.logger,
+      avatarStore: this.avatarStore,
     });
 
     this.bots.set(id, bot);
@@ -233,6 +238,7 @@ export class BotManager extends EventEmitter {
         database: this.database,
         config: this.config,
         logger: this.logger,
+        avatarStore: this.avatarStore,
       });
       this.bots.set(id, bot);
       this.emit("botInstance", bot);
@@ -283,6 +289,7 @@ export class BotManager extends EventEmitter {
         database: this.database,
         config: this.config,
         logger: this.logger,
+        avatarStore: this.avatarStore,
       });
 
       this.bots.set(saved.id, bot);

src/index.ts

@@ -8,6 +8,7 @@ import { NeteaseProvider } from "./music/netease.js";
 import { QQMusicProvider } from "./music/qq.js";
 import { BiliBiliProvider } from "./music/bilibili.js";
 import { createCookieStore } from "./music/auth.js";
+import { createAvatarStore } from "./data/avatars.js";
 import { BotManager } from "./bot/manager.js";
 import { createWebServer } from "./web/server.js";
 
@@ -18,6 +19,7 @@ const CONFIG_PATH = path.join(ROOT_DIR, "config.json");
 const DB_PATH = path.join(DATA_DIR, "tsmusicbot.db");
 const LOG_DIR = path.join(DATA_DIR, "logs");
 const COOKIE_DIR = path.join(DATA_DIR, "cookies");
+const AVATAR_DIR = path.join(DATA_DIR, "avatars");
 const STATIC_DIR = path.join(ROOT_DIR, "web", "dist");
 
 async function main() {
@@ -46,6 +48,7 @@ async function main() {
   const bilibiliProvider = new BiliBiliProvider();
 
   const cookieStore = createCookieStore(COOKIE_DIR);
+  const avatarStore = createAvatarStore(AVATAR_DIR);
   const neteaseCookie = cookieStore.load("netease");
   if (neteaseCookie) neteaseProvider.setCookie(neteaseCookie);
   const qqCookie = cookieStore.load("qq");
@@ -59,7 +62,8 @@ async function main() {
     bilibiliProvider,
     db,
     config,
-    logger
+    logger,
+    avatarStore
   );
   await botManager.loadSavedBots();