Add local TTS smoke test mode

src/index.ts

@@ -3,7 +3,7 @@ import process from "node:process";
 import { loadConfig, requireAssistantRuntimeConfig, requireDiscordRuntimeConfig } from "./config.js";
 import { runDiscordBot } from "./discord-main.js";
 import { Logger } from "./logger.js";
-import { printLocalAudioDevices, runLocalAssistant } from "./local-main.js";
+import { printLocalAudioDevices, runLocalAssistant, runLocalTtsSmokeTest } from "./local-main.js";
 
 const mode = process.argv[2] ?? "discord";
 const config = loadConfig();
@@ -20,8 +20,13 @@ async function main(): Promise<void> {
     case "local-devices":
       await printLocalAudioDevices();
       return;
+    case "local-say": {
+      const text = process.argv.slice(3).join(" ").trim() || "안녕하세요. TTS 단독 재생 테스트입니다.";
+      await runLocalTtsSmokeTest(requireAssistantRuntimeConfig(config), logger, text);
+      return;
+    }
     default:
-      throw new Error(`알 수 없는 실행 모드입니다: ${mode}. 사용 가능: discord, local, local-devices`);
+      throw new Error(`알 수 없는 실행 모드입니다: ${mode}. 사용 가능: discord, local, local-devices, local-say`);
   }
 }