feat: add local audio test mode

src/local-main.ts

@@ -0,0 +1,75 @@
+import { spawn } from "node:child_process";
+import process from "node:process";
+
+import type { AssistantRuntimeConfig } from "./config.js";
+import { Logger } from "./logger.js";
+import { LocalVoiceSession } from "./audio/local-voice-session.js";
+import { ElevenLabsSttService } from "./services/elevenlabs-stt.js";
+import { ElevenLabsTtsService } from "./services/elevenlabs-tts.js";
+import { OpenAiLlmService } from "./services/openai-llm.js";
+
+export async function printLocalAudioDevices(): Promise<void> {
+  const runs = [
+    {
+      label: "wpctl status",
+      args: ["status"],
+    },
+    {
+      label: "wpctl status -n",
+      args: ["status", "-n"],
+    },
+  ] as const;
+
+  for (const run of runs) {
+    console.log(`\n=== ${run.label} ===`);
+    await new Promise<void>((resolve, reject) => {
+      const child = spawn("wpctl", run.args, {
+        stdio: ["ignore", "inherit", "inherit"],
+      });
+      child.on("exit", (code) => {
+        if (code === 0) {
+          resolve();
+          return;
+        }
+        reject(new Error(`wpctl exited with code ${code ?? "null"}`));
+      });
+      child.on("error", reject);
+    });
+  }
+}
+
+export async function runLocalAssistant(config: AssistantRuntimeConfig, logger: Logger): Promise<void> {
+  const stt = new ElevenLabsSttService(config);
+  const tts = new ElevenLabsTtsService(config);
+  const llm = new OpenAiLlmService(config);
+  const session = new LocalVoiceSession({
+    config,
+    logger,
+    stt,
+    tts,
+    llm,
+  });
+
+  console.log(session.statusSummary());
+  console.log("로컬 음성 테스트를 시작합니다. Ctrl+C 로 종료합니다.");
+  if (config.DEBUG_TEXT_EVENTS) {
+    console.log("텍스트 로그 출력이 켜져 있습니다.");
+  }
+
+  const shutdown = async (exitCode = 0) => {
+    await session.destroy().catch((error) => {
+      logger.warn("Local session shutdown failed", error);
+    });
+    process.exit(exitCode);
+  };
+
+  process.on("SIGINT", () => {
+    void shutdown(0);
+  });
+
+  process.on("SIGTERM", () => {
+    void shutdown(0);
+  });
+
+  await session.start();
+}