diff --git a/package-lock.json b/package-lock.json
index 13c610b..0fd6c75 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "wechat-acp": "dist/bin/wechat-acp.js"
       },
       "devDependencies": {
-        "@types/node": "^22.0.0",
+        "@types/node": "^22.19.15",
         "typescript": "^5.5.0"
       },
       "engines": {
diff --git a/package.json b/package.json
index 6c0cb2a..93f356e 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "qrcode-terminal": "^0.12.0"
   },
   "devDependencies": {
-    "@types/node": "^22.0.0",
+    "@types/node": "^22.19.15",
     "typescript": "^5.5.0"
   },
   "engines": {
diff --git a/src/config.ts b/src/config.ts
index 5329789..0545a0a 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,171 +1,177 @@
-/**
- * Configuration types and defaults for wechat-acp.
- */
-
-import path from "node:path";
-import os from "node:os";
-
-export interface AgentCommandConfig {
-  command: string;
-  args: string[];
-  env?: Record<string, string>;
-}
-
-export interface AgentPreset extends AgentCommandConfig {
-  label: string;
-  description?: string;
-}
-
-export interface ResolvedAgentConfig extends AgentCommandConfig {
-  id?: string;
-  label?: string;
-  source: "preset" | "raw";
-}
-
-export const BUILT_IN_AGENTS: Record<string, AgentPreset> = {
-  copilot: {
-    label: "GitHub Copilot",
-    command: "npx",
-    args: ["@github/copilot", "--acp", "--yolo"],
-    description: "GitHub Copilot",
-  },
-  claude: {
-    label: "Claude Code",
-    command: "npx",
-    args: ["@zed-industries/claude-code-acp"],
-    description: "Claude Code ACP",
-  },
-  gemini: {
-    label: "Gemini CLI",
-    command: "npx",
-    args: ["@google/gemini-cli", "--experimental-acp"],
-    description: "Gemini CLI",
-  },
-  qwen: {
-    label: "Qwen Code",
-    command: "npx",
-    args: ["@qwen-code/qwen-code", "--acp", "--experimental-skills"],
-    description: "Qwen Code",
-  },
-  codex: {
-    label: "Codex CLI",
-    command: "npx",
-    args: ["@zed-industries/codex-acp"],
-    description: "Codex ACP",
-  },
-  opencode: {
-    label: "OpenCode",
-    command: "npx",
-    args: ["opencode-ai", "acp"],
-    description: "OpenCode",
-  },
-};
-
-export interface WeChatAcpConfig {
-  wechat: {
-    baseUrl: string;
-    cdnBaseUrl: string;
-    botType: string;
-  };
-  agent: {
-    preset?: string;
-    command: string;
-    args: string[];
-    cwd: string;
-    env?: Record<string, string>;
-  };
-  agents: Record<string, AgentPreset>;
-  session: {
-    idleTimeoutMs: number;
-    maxConcurrentUsers: number;
-  };
-  daemon: {
-    enabled: boolean;
-    logFile: string;
-    pidFile: string;
-  };
-  storage: {
-    dir: string;
-  };
-}
-
-export function defaultStorageDir(): string {
-  return path.join(os.homedir(), ".wechat-acp");
-}
-
-export function defaultConfig(): WeChatAcpConfig {
-  const storageDir = defaultStorageDir();
-  return {
-    wechat: {
-      baseUrl: "https://ilinkai.weixin.qq.com",
-      cdnBaseUrl: "https://novac2c.cdn.weixin.qq.com/c2c",
-      botType: "3",
-    },
-    agent: {
-      preset: undefined,
-      command: "",
-      args: [],
-      cwd: process.cwd(),
-    },
-    agents: { ...BUILT_IN_AGENTS },
-    session: {
-      idleTimeoutMs: 1440 * 60_000, // 24 hours
-      maxConcurrentUsers: 10,
-    },
-    daemon: {
-      enabled: false,
-      logFile: path.join(storageDir, "wechat-acp.log"),
-      pidFile: path.join(storageDir, "daemon.pid"),
-    },
-    storage: {
-      dir: storageDir,
-    },
-  };
-}
-
-/**
- * Parse agent string like "claude code" or "npx tsx ./agent.ts"
- * into { command, args }.
- */
-export function parseAgentCommand(agentStr: string): { command: string; args: string[] } {
-  const parts = agentStr.trim().split(/\s+/);
-  if (parts.length === 0 || !parts[0]) {
-    throw new Error("Agent command cannot be empty");
-  }
-  return {
-    command: parts[0],
-    args: parts.slice(1),
-  };
-}
-
-export function resolveAgentSelection(
-  agentSelection: string,
-  registry: Record<string, AgentPreset> = BUILT_IN_AGENTS,
-): ResolvedAgentConfig {
-  const preset = registry[agentSelection];
-  if (preset) {
-    return {
-      id: agentSelection,
-      label: preset.label,
-      command: preset.command,
-      args: [...preset.args],
-      env: preset.env ? { ...preset.env } : undefined,
-      source: "preset",
-    };
-  }
-
-  const parsed = parseAgentCommand(agentSelection);
-  return {
-    command: parsed.command,
-    args: parsed.args,
-    source: "raw",
-  };
-}
-
-export function listBuiltInAgents(
-  registry: Record<string, AgentPreset> = BUILT_IN_AGENTS,
-): Array<{ id: string; preset: AgentPreset }> {
-  return Object.entries(registry)
-    .sort(([left], [right]) => left.localeCompare(right))
-    .map(([id, preset]) => ({ id, preset }));
-}
+/**
+ * Configuration types and defaults for wechat-acp.
+ */
+
+import path from "node:path";
+import os from "node:os";
+
+export interface AgentCommandConfig {
+  command: string;
+  args: string[];
+  env?: Record<string, string>;
+}
+
+export interface AgentPreset extends AgentCommandConfig {
+  label: string;
+  description?: string;
+}
+
+export interface ResolvedAgentConfig extends AgentCommandConfig {
+  id?: string;
+  label?: string;
+  source: "preset" | "raw";
+}
+
+export const BUILT_IN_AGENTS: Record<string, AgentPreset> = {
+  hermes: {
+    label: "Hermes Agent",
+    command: "hermes",
+    args: ["acp"],
+    description: "Hermes Agent ACP mode",
+  },
+  copilot: {
+    label: "GitHub Copilot",
+    command: "npx",
+    args: ["@github/copilot", "--acp", "--yolo"],
+    description: "GitHub Copilot",
+  },
+  claude: {
+    label: "Claude Code",
+    command: "npx",
+    args: ["@zed-industries/claude-code-acp"],
+    description: "Claude Code ACP",
+  },
+  gemini: {
+    label: "Gemini CLI",
+    command: "npx",
+    args: ["@google/gemini-cli", "--experimental-acp"],
+    description: "Gemini CLI",
+  },
+  qwen: {
+    label: "Qwen Code",
+    command: "npx",
+    args: ["@qwen-code/qwen-code", "--acp", "--experimental-skills"],
+    description: "Qwen Code",
+  },
+  codex: {
+    label: "Codex CLI",
+    command: "npx",
+    args: ["@zed-industries/codex-acp"],
+    description: "Codex ACP",
+  },
+  opencode: {
+    label: "OpenCode",
+    command: "npx",
+    args: ["opencode-ai", "acp"],
+    description: "OpenCode",
+  },
+};
+
+export interface WeChatAcpConfig {
+  wechat: {
+    baseUrl: string;
+    cdnBaseUrl: string;
+    botType: string;
+  };
+  agent: {
+    preset?: string;
+    command: string;
+    args: string[];
+    cwd: string;
+    env?: Record<string, string>;
+  };
+  agents: Record<string, AgentPreset>;
+  session: {
+    idleTimeoutMs: number;
+    maxConcurrentUsers: number;
+  };
+  daemon: {
+    enabled: boolean;
+    logFile: string;
+    pidFile: string;
+  };
+  storage: {
+    dir: string;
+  };
+}
+
+export function defaultStorageDir(): string {
+  return path.join(os.homedir(), ".wechat-acp");
+}
+
+export function defaultConfig(): WeChatAcpConfig {
+  const storageDir = defaultStorageDir();
+  return {
+    wechat: {
+      baseUrl: "https://ilinkai.weixin.qq.com",
+      cdnBaseUrl: "https://novac2c.cdn.weixin.qq.com/c2c",
+      botType: "3",
+    },
+    agent: {
+      preset: undefined,
+      command: "",
+      args: [],
+      cwd: process.cwd(),
+    },
+    agents: { ...BUILT_IN_AGENTS },
+    session: {
+      idleTimeoutMs: 1440 * 60_000, // 24 hours
+      maxConcurrentUsers: 10,
+    },
+    daemon: {
+      enabled: false,
+      logFile: path.join(storageDir, "wechat-acp.log"),
+      pidFile: path.join(storageDir, "daemon.pid"),
+    },
+    storage: {
+      dir: storageDir,
+    },
+  };
+}
+
+/**
+ * Parse agent string like "claude code" or "npx tsx ./agent.ts"
+ * into { command, args }.
+ */
+export function parseAgentCommand(agentStr: string): { command: string; args: string[] } {
+  const parts = agentStr.trim().split(/\s+/);
+  if (parts.length === 0 || !parts[0]) {
+    throw new Error("Agent command cannot be empty");
+  }
+  return {
+    command: parts[0],
+    args: parts.slice(1),
+  };
+}
+
+export function resolveAgentSelection(
+  agentSelection: string,
+  registry: Record<string, AgentPreset> = BUILT_IN_AGENTS,
+): ResolvedAgentConfig {
+  const preset = registry[agentSelection];
+  if (preset) {
+    return {
+      id: agentSelection,
+      label: preset.label,
+      command: preset.command,
+      args: [...preset.args],
+      env: preset.env ? { ...preset.env } : undefined,
+      source: "preset",
+    };
+  }
+
+  const parsed = parseAgentCommand(agentSelection);
+  return {
+    command: parsed.command,
+    args: parsed.args,
+    source: "raw",
+  };
+}
+
+export function listBuiltInAgents(
+  registry: Record<string, AgentPreset> = BUILT_IN_AGENTS,
+): Array<{ id: string; preset: AgentPreset }> {
+  return Object.entries(registry)
+    .sort(([left], [right]) => left.localeCompare(right))
+    .map(([id, preset]) => ({ id, preset }));
+}