feat(P3): 5개 서비스 비즈니스 이벤트 logger.info 보강

music-lab/app/main.py

@@ -1,4 +1,5 @@
 import json
+import logging
 import os
 import shutil
 import uuid
@@ -9,6 +10,8 @@ from fastapi.middleware.cors import CORSMiddleware
 from pydantic import BaseModel
 from _shared.access_log import install as install_access_log
 
+logger = logging.getLogger(__name__)
+
 from .db import (
     init_db,
     create_task, get_task,
@@ -159,9 +162,11 @@ async def generate_music(req: GenerateRequest):
 
     task_id = str(uuid.uuid4())
     params = req.model_dump()
+    logger.info(f"음악 생성 요청: provider={provider}, title={req.title!r}, genre={req.genre!r}, task_id={task_id}")
     create_task(task_id, params, provider=provider)
     job_type = "suno_generation" if provider == "suno" else "local_generation"
     await _push_render_job(task_id, job_type, params)
+    logger.info(f"음악 생성 큐 푸시 완료: task_id={task_id}, job_type={job_type}")
     return {"task_id": task_id, "provider": provider}