feat(music-render): services/docker-compose에 music-render 서비스 (SP-5)

포트 18711, REDIS_URL/NAS_BASE_URL/INTERNAL_API_KEY/SUNO_API_KEY/MUSIC_AI_SERVER_URL env.
host.docker.internal 매핑 (MusicGen native 호스트).
SMB /mnt/nas/webpage/data/music 마운트.
Plan-B-Music Phase 2 완료 — 박재오 머신에서 .env 작성 + 빌드 + 시작 대기.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

services/docker-compose.yml

@@ -23,3 +23,29 @@ services:
       interval: 60s
       timeout: 5s
       retries: 3
+
+  music-render:
+    build:
+      context: ./music-render
+    container_name: music-render
+    restart: unless-stopped
+    ports:
+      - "18711:8000"
+    environment:
+      - TZ=Asia/Seoul
+      - REDIS_URL=${REDIS_URL:-redis://192.168.45.54:6379}
+      - NAS_BASE_URL=${NAS_BASE_URL:-http://192.168.45.54:18600}
+      - INTERNAL_API_KEY=${INTERNAL_API_KEY:-}
+      - SUNO_API_KEY=${SUNO_API_KEY:-}
+      - MUSIC_AI_SERVER_URL=${MUSIC_AI_SERVER_URL:-http://host.docker.internal:8765}
+      - MUSIC_MEDIA_ROOT=${MUSIC_MEDIA_ROOT:-/mnt/nas/webpage/data/music}
+      - MUSIC_MEDIA_URL_PREFIX=${MUSIC_MEDIA_URL_PREFIX:-/media/music}
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+    volumes:
+      - /mnt/nas/webpage/data/music:/mnt/nas/webpage/data/music
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:8000/health')"]
+      interval: 60s
+      timeout: 5s
+      retries: 3

services/music-render/.env.example

@@ -0,0 +1,20 @@
+# Plan-B-Music — Windows music-render worker
+
+# NAS Redis 큐
+REDIS_URL=redis://192.168.45.54:6379
+
+# NAS internal webhook
+NAS_BASE_URL=http://192.168.45.54:18600
+INTERNAL_API_KEY=__copy_from_nas_dotenv__
+
+# Suno API (sunoapi.org 래퍼) — NAS .env에서 옮겨옴
+SUNO_API_KEY=__paste_suno_key_here__
+
+# MusicGen 호스트 (Windows native Python — 박재오 PC localhost)
+MUSIC_AI_SERVER_URL=http://host.docker.internal:8765
+
+# NAS SMB mount 안의 음악 디렉토리
+MUSIC_MEDIA_ROOT=/mnt/nas/webpage/data/music
+
+# nginx 서빙 prefix (NAS webhook payload용)
+MUSIC_MEDIA_URL_PREFIX=/media/music

services/music-render/Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.12-slim-bookworm
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+# requests SSL 의존성만 필요 (Chromium 불필요)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates \
+ && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir --timeout 600 --retries 5 -r requirements.txt
+
+COPY . .
+
+EXPOSE 8000
+CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]

services/music-render/main.py

@@ -0,0 +1,88 @@
+"""music-render FastAPI entry — health + lifespan + sync forward endpoints.
+
+NAS music-lab이 sync helpers(lyrics, credits, timestamped, style-boost)를
+httpx로 forward해서 이 endpoint들을 호출.
+"""
+from __future__ import annotations
+
+import asyncio
+import logging
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI, HTTPException
+from pydantic import BaseModel
+
+import worker
+from providers.sync_ops import (
+    generate_lyrics, get_credits,
+    get_timestamped_lyrics, generate_style_boost,
+)
+
+logging.basicConfig(level=logging.INFO, format="%(asctime)s %(name)s %(levelname)s %(message)s")
+logger = logging.getLogger(__name__)
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    worker_task = asyncio.create_task(worker.worker_loop())
+    logger.info("music-render lifespan 시작")
+    try:
+        yield
+    finally:
+        worker_task.cancel()
+        try:
+            await worker_task
+        except asyncio.CancelledError:
+            pass
+        logger.info("music-render lifespan 종료")
+
+
+app = FastAPI(lifespan=lifespan)
+
+
+@app.get("/health")
+def health():
+    return {"ok": True, "service": "music-render"}
+
+
+# ── Sync forward endpoints ──────────────────────────────────────────────
+# NAS music-lab의 /api/music/lyrics 등 sync helpers가 이 endpoint들로 forward.
+
+class LyricsRequest(BaseModel):
+    prompt: str
+
+
+@app.post("/api/music-render/sync/lyrics")
+def sync_lyrics(req: LyricsRequest):
+    result = generate_lyrics(req.prompt)
+    if not result:
+        raise HTTPException(502, "가사 생성 실패")
+    return result
+
+
+@app.get("/api/music-render/sync/credits")
+def sync_credits():
+    result = get_credits()
+    if result is None:
+        raise HTTPException(502, "크레딧 조회 실패")
+    return result
+
+
+@app.get("/api/music-render/sync/timestamped-lyrics")
+def sync_timestamped_lyrics(task_id: str, suno_id: str):
+    result = get_timestamped_lyrics(task_id, suno_id)
+    if not result:
+        raise HTTPException(502, "타임스탬프 가사 조회 실패")
+    return result
+
+
+class StyleBoostRequest(BaseModel):
+    content: str
+
+
+@app.post("/api/music-render/sync/style-boost")
+def sync_style_boost(req: StyleBoostRequest):
+    result = generate_style_boost(req.content)
+    if not result:
+        raise HTTPException(502, "스타일 부스트 생성 실패")
+    return result

services/music-render/nas_client.py

@@ -0,0 +1,80 @@
+"""NAS webhook 어댑터 — Windows worker가 NAS DB 직접 접근 못하므로 HTTP로 위임.
+
+기존 NAS suno_provider/local_provider의 `update_task`, `add_track` 호출을
+이 모듈의 webhook_update_task/webhook_add_track으로 치환.
+
+webhook 실패는 raise하지 않고 logger.error로 기록 (provider 로직 흐름 유지).
+"""
+from __future__ import annotations
+
+import logging
+import os
+from typing import Any, Dict, Optional
+
+import httpx
+
+logger = logging.getLogger(__name__)
+
+_TIMEOUT = 10.0
+
+
+def _post(payload: Dict[str, Any]) -> None:
+    nas_base_url = os.getenv("NAS_BASE_URL", "http://192.168.45.54:18600")
+    internal_api_key = os.getenv("INTERNAL_API_KEY", "")
+    url = f"{nas_base_url}/api/internal/music/update"
+    try:
+        r = httpx.post(
+            url,
+            headers={"X-Internal-Key": internal_api_key},
+            json=payload,
+            timeout=_TIMEOUT,
+        )
+        if r.status_code != 200:
+            logger.error("webhook %s returned %d: %s",
+                         payload.get("task_id"), r.status_code, r.text[:200])
+    except Exception:
+        logger.exception("webhook %s 호출 실패", payload.get("task_id"))
+
+
+def webhook_update_task(
+    task_id: str,
+    status: str,
+    progress: int,
+    message: str = "",
+    audio_url: Optional[str] = None,
+    error: Optional[str] = None,
+) -> None:
+    """기존 update_task(task_id, status, progress, message, audio_url=None, error=None) 대체."""
+    payload: Dict[str, Any] = {
+        "task_id": task_id,
+        "status": status,
+        "progress": progress,
+        "message": message,
+    }
+    if audio_url is not None:
+        payload["audio_url"] = audio_url
+    if error is not None:
+        payload["error"] = error
+    _post(payload)
+
+
+def webhook_add_track(
+    task_id: str,
+    status: str,
+    progress: int,
+    message: str = "",
+    audio_url: Optional[str] = None,
+    track: Optional[Dict[str, Any]] = None,
+) -> None:
+    """update + add_track을 한 webhook 호출로 결합 (NAS internal_router가 둘 다 처리)."""
+    payload: Dict[str, Any] = {
+        "task_id": task_id,
+        "status": status,
+        "progress": progress,
+        "message": message,
+    }
+    if audio_url is not None:
+        payload["audio_url"] = audio_url
+    if track is not None:
+        payload["track"] = track
+    _post(payload)

services/music-render/providers/local.py

@@ -0,0 +1,106 @@
+"""Local MusicGen Provider — Windows AI 머신의 native MusicGen 서버(:8765) 호출.
+
+NAS music-lab/app/local_provider.py 이식. DB 호출만 webhook으로 변환.
+"""
+from __future__ import annotations
+
+import logging
+import os
+import time
+
+import requests
+
+from nas_client import webhook_update_task, webhook_add_track
+
+logger = logging.getLogger(__name__)
+
+MUSIC_AI_SERVER_URL = os.getenv("MUSIC_AI_SERVER_URL", "")
+MUSIC_MEDIA_ROOT = os.getenv("MUSIC_MEDIA_ROOT", "/mnt/nas/webpage/data/music")
+MUSIC_MEDIA_BASE = os.getenv("MUSIC_MEDIA_URL_PREFIX", "/media/music")
+
+
+def run_local_generation(task_id: str, params: dict) -> None:
+    """MusicGen 생성 → /mnt/nas/.../music/{task_id}.mp3 저장 → add_track."""
+    try:
+        webhook_update_task(task_id, "processing", 10, "AI 서버에 연결 중...")
+        if not MUSIC_AI_SERVER_URL:
+            webhook_update_task(task_id, "failed", 0, "", error="MUSIC_AI_SERVER_URL 미설정")
+            return
+
+        webhook_update_task(task_id, "processing", 30, "음악 생성 중...")
+        resp = requests.post(f"{MUSIC_AI_SERVER_URL}/generate", json=params, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "",
+                                error=f"AI 서버 오류: {resp.status_code} {resp.text[:200]}")
+            return
+
+        ai_task_id = resp.json().get("task_id")
+        if not ai_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="AI 서버 응답에 task_id 없음")
+            return
+
+        remote_url = None
+        for _ in range(120):
+            time.sleep(5)
+            sr = requests.get(f"{MUSIC_AI_SERVER_URL}/status/{ai_task_id}", timeout=10)
+            sd = sr.json()
+            st = sd.get("status")
+            prog = sd.get("progress", 0)
+            msg = sd.get("message", "음악 생성 중...")
+            scaled = 30 + int(prog * 0.49)
+            webhook_update_task(task_id, "processing", scaled, msg)
+
+            if st == "succeeded":
+                remote_url = sd.get("audio_url")
+                break
+            elif st == "failed":
+                webhook_update_task(task_id, "failed", 0, "",
+                                    error=sd.get("error", "AI 서버 생성 실패"))
+                return
+
+        if not remote_url:
+            webhook_update_task(task_id, "failed", 0, "", error="AI 서버 타임아웃 (10분)")
+            return
+
+        webhook_update_task(task_id, "processing", 80, "파일 저장 중...")
+        filename = f"{task_id}.mp3"
+        os.makedirs(MUSIC_MEDIA_ROOT, exist_ok=True)
+        file_path = os.path.join(MUSIC_MEDIA_ROOT, filename)
+
+        dl = requests.get(remote_url, timeout=120, stream=True)
+        dl.raise_for_status()
+        with open(file_path, "wb") as f:
+            for chunk in dl.iter_content(chunk_size=8192):
+                f.write(chunk)
+
+        audio_url = f"{MUSIC_MEDIA_BASE}/{filename}"
+        genre = params.get("genre", "")
+        moods = params.get("moods", [])
+        mood_str = moods[0] if moods else "Original"
+        title = params.get("title") or (
+            f"{genre} — {mood_str} Mix" if genre else f"{mood_str} Mix"
+        )
+
+        track = {
+            "title": title,
+            "genre": genre,
+            "moods": moods,
+            "instruments": params.get("instruments", []),
+            "duration_sec": params.get("duration_sec"),
+            "bpm": params.get("bpm"),
+            "key": params.get("key", ""),
+            "scale": params.get("scale", ""),
+            "prompt": params.get("prompt", ""),
+            "audio_url": audio_url,
+            "file_path": f"/app/data/{filename}",
+            "task_id": task_id,
+            "provider": "local",
+        }
+        webhook_add_track(task_id, "succeeded", 100, "생성 완료",
+                          audio_url=audio_url, track=track)
+
+    except requests.Timeout:
+        webhook_update_task(task_id, "failed", 0, "", error="AI 서버 타임아웃")
+    except Exception as e:
+        logger.exception("local generation error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))

services/music-render/providers/suno.py

@@ -0,0 +1,690 @@
+"""Suno API Provider — sunoapi.org 래퍼.
+
+NAS music-lab/app/suno_provider.py에서 이식. 차이점:
+- DB 호출(update_task, add_track 등)을 nas_client.webhook_* 으로 변환
+- 결과 MP3는 MUSIC_MEDIA_ROOT (/mnt/nas/webpage/data/music/)에 직접 저장
+"""
+from __future__ import annotations
+
+import json
+import logging
+import os
+import time
+from typing import Optional
+
+import requests
+
+from nas_client import webhook_update_task, webhook_add_track
+
+logger = logging.getLogger(__name__)
+
+SUNO_BASE_URL = "https://api.sunoapi.org/api/v1"
+SUNO_API_KEY = os.getenv("SUNO_API_KEY", "")
+MUSIC_MEDIA_ROOT = os.getenv("MUSIC_MEDIA_ROOT", "/mnt/nas/webpage/data/music")
+MUSIC_MEDIA_BASE = os.getenv("MUSIC_MEDIA_URL_PREFIX", "/media/music")
+
+POLL_INTERVAL = 8
+POLL_MAX_ATTEMPTS = 40
+
+
+def _headers() -> dict:
+    return {
+        "Authorization": f"Bearer {SUNO_API_KEY}",
+        "Content-Type": "application/json",
+    }
+
+
+def _build_suno_payload(params: dict) -> dict:
+    """프론트엔드 params → sunoapi.org 요청 형식 (NAS 코드 그대로 이식)."""
+    instrumental = params.get("instrumental", False)
+    has_lyrics = bool(params.get("lyrics"))
+    custom_mode = has_lyrics or bool(params.get("genre")) or bool(params.get("moods"))
+
+    payload = {
+        "customMode": custom_mode,
+        "instrumental": instrumental,
+        "model": params.get("model", "V4"),
+        "callBackUrl": "https://example.com/noop",
+    }
+
+    if custom_mode:
+        if instrumental:
+            payload["prompt"] = ""
+        elif has_lyrics:
+            payload["prompt"] = params["lyrics"][:3000]
+        else:
+            prompt_text = params.get("prompt", "")
+            payload["prompt"] = prompt_text[:3000] if prompt_text else ""
+
+        style_parts = []
+        if params.get("genre"):
+            style_parts.append(params["genre"])
+        if params.get("moods"):
+            style_parts.extend(params["moods"])
+        if params.get("instruments"):
+            style_parts.extend(params["instruments"][:3])
+        if style_parts:
+            payload["style"] = ", ".join(style_parts)[:200]
+
+        if params.get("title"):
+            payload["title"] = params["title"][:80]
+    else:
+        parts = []
+        if params.get("prompt"):
+            parts.append(params["prompt"])
+        if params.get("genre"):
+            parts.append(params["genre"])
+        if params.get("moods"):
+            parts.append(", ".join(params["moods"]))
+        payload["prompt"] = " ".join(parts)[:500] if parts else "instrumental music"
+
+    if params.get("vocal_gender"):
+        payload["vocalGender"] = params["vocal_gender"]
+    if params.get("negative_tags"):
+        payload["negativeTags"] = params["negative_tags"]
+    if params.get("style_weight") is not None:
+        payload["styleWeight"] = params["style_weight"]
+    if params.get("audio_weight") is not None:
+        payload["audioWeight"] = params["audio_weight"]
+
+    return payload
+
+
+def _poll_suno_record(
+    record_info_path: str,
+    suno_task_id: str,
+    task_id: str,
+    max_attempts: int = POLL_MAX_ATTEMPTS,
+    interval: int = POLL_INTERVAL,
+    progress_msg_map: dict = None,
+) -> Optional[dict]:
+    """범용 Suno 작업 폴링. SUCCESS 시 response 객체 반환."""
+    error_statuses = {
+        "CREATE_TASK_FAILED", "GENERATE_AUDIO_FAILED",
+        "CALLBACK_EXCEPTION", "SENSITIVE_WORD_ERROR",
+    }
+    default_msgs = {
+        "PENDING": "대기열에서 대기 중...",
+        "TEXT_SUCCESS": "가사 생성 완료, 음악 생성 중...",
+        "FIRST_SUCCESS": "첫 번째 트랙 완료, 두 번째 생성 중...",
+        "GENERATING": "생성 중...",
+    }
+    msgs = {**default_msgs, **(progress_msg_map or {})}
+
+    for attempt in range(max_attempts):
+        time.sleep(interval)
+        try:
+            resp = requests.get(
+                f"{SUNO_BASE_URL}{record_info_path}",
+                headers=_headers(),
+                params={"taskId": suno_task_id},
+                timeout=15,
+            )
+            if resp.status_code != 200:
+                continue
+            body = resp.json()
+            if body.get("code") != 200:
+                continue
+            data = body.get("data", {})
+            status = data.get("status", "")
+            progress = min(15 + int((attempt / max_attempts) * 65), 79)
+
+            if status == "SUCCESS":
+                return data.get("response", data)
+            elif status in error_statuses:
+                error_msg = data.get("errorMessage") or data.get("msg") or f"Suno 작업 실패 ({status})"
+                webhook_update_task(task_id, "failed", 0, "", error=error_msg)
+                return None
+            else:
+                msg = msgs.get(status, f"처리 중... ({status})")
+                if status == "FIRST_SUCCESS":
+                    progress = max(progress, 60)
+                webhook_update_task(task_id, "processing", progress, msg)
+        except Exception as e:
+            logger.warning("Suno poll error (attempt %d): %s", attempt, e)
+            continue
+
+    webhook_update_task(task_id, "failed", 0, "", error="Suno 작업 타임아웃")
+    return None
+
+
+def _download_and_register(
+    task_id: str, song: dict, params: dict, filename_suffix: str = "",
+) -> Optional[dict]:
+    """Suno CDN에서 MP3 다운로드 → /mnt/nas/...에 직접 저장 → webhook으로 add_track."""
+    audio_url_remote = song.get("audioUrl") or song.get("audio_url", "")
+    if not audio_url_remote:
+        webhook_update_task(task_id, "failed", 0, "", error="Suno 응답에 audioUrl이 없습니다")
+        return None
+
+    filename = f"{task_id}{filename_suffix}.mp3"
+    os.makedirs(MUSIC_MEDIA_ROOT, exist_ok=True)
+    file_path = os.path.join(MUSIC_MEDIA_ROOT, filename)
+
+    try:
+        dl = requests.get(audio_url_remote, timeout=120, stream=True)
+        dl.raise_for_status()
+        with open(file_path, "wb") as f:
+            for chunk in dl.iter_content(chunk_size=8192):
+                f.write(chunk)
+    except Exception as e:
+        webhook_update_task(task_id, "failed", 0, "", error=f"오디오 다운로드 실패: {e}")
+        return None
+
+    local_audio_url = f"{MUSIC_MEDIA_BASE}/{filename}"
+
+    genre = params.get("genre", song.get("tags", ""))
+    moods = params.get("moods", [])
+    mood_str = moods[0] if moods else "Original"
+    title = (
+        song.get("title")
+        or params.get("title")
+        or (f"{genre} — {mood_str} Mix" if genre else f"{mood_str} Mix")
+    )
+
+    track_data = {
+        "title": title,
+        "genre": genre,
+        "moods": moods,
+        "instruments": params.get("instruments", []),
+        "duration_sec": int(song["duration"]) if song.get("duration") else params.get("duration_sec"),
+        "bpm": params.get("bpm"),
+        "key": params.get("key", ""),
+        "scale": params.get("scale", ""),
+        "prompt": song.get("prompt", params.get("prompt", "")),
+        "audio_url": local_audio_url,
+        # NAS file_path는 NAS 관점 — /app/data 안의 경로
+        "file_path": f"/app/data/{filename}",
+        "task_id": task_id,
+        "provider": "suno",
+        "lyrics": song.get("prompt", params.get("lyrics", "")),
+        "image_url": song.get("imageUrl") or song.get("image_url", ""),
+        "suno_id": song.get("id", ""),
+    }
+    return track_data
+
+
+def run_suno_generation(task_id: str, params: dict) -> None:
+    """BackgroundTask: Suno API로 곡 생성 → MP3 → NAS SMB 저장 → webhook add_track."""
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정 (Windows .env)")
+            return
+
+        webhook_update_task(task_id, "processing", 5, "Suno API에 연결 중...")
+        payload = _build_suno_payload(params)
+        resp = requests.post(f"{SUNO_BASE_URL}/generate", headers=_headers(), json=payload, timeout=30)
+
+        if resp.status_code != 200:
+            err = resp.text[:300] if resp.text else f"HTTP {resp.status_code}"
+            webhook_update_task(task_id, "failed", 0, "", error=f"Suno API 오류: {err}")
+            return
+
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Suno API 거부: {body.get('msg', '?')}")
+            return
+
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="Suno 응답에 taskId 없음")
+            return
+
+        webhook_update_task(task_id, "processing", 15, "곡 생성 대기열에 등록됨...")
+
+        response = _poll_suno_record("/generate/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="Suno 완료했으나 트랙 데이터 없음")
+            return
+
+        webhook_update_task(task_id, "processing", 80, "오디오 파일 다운로드 중...")
+        track = _download_and_register(task_id, completed[0], params)
+        if not track:
+            return
+
+        webhook_add_track(task_id, "succeeded", 100, "생성 완료",
+                          audio_url=track["audio_url"], track=track)
+
+        if len(completed) > 1:
+            try:
+                # 보조 변형은 SMB에 파일만 저장. NAS _sync_library_with_disk가 다음
+                # GET /api/music/library 호출 시 자동으로 라이브러리에 등록.
+                _download_and_register(f"{task_id}_v2", completed[1], params)
+            except Exception:
+                pass
+
+    except requests.Timeout:
+        webhook_update_task(task_id, "failed", 0, "", error="Suno API 타임아웃")
+    except Exception as e:
+        logger.exception("Suno generation error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_suno_extend(task_id: str, params: dict) -> None:
+    """기존 곡을 특정 지점부터 연장."""
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정")
+            return
+        webhook_update_task(task_id, "processing", 5, "곡 연장 요청 중...")
+        payload = {
+            "audioId": params["suno_id"],
+            "defaultParamFlag": not bool(params.get("prompt")),
+            "prompt": params.get("prompt", ""),
+            "continueAt": params.get("continue_at", 0),
+            "model": params.get("model", "V4"),
+            "callBackUrl": "https://example.com/noop",
+        }
+        if params.get("style"):
+            payload["style"] = params["style"]
+        if params.get("title"):
+            payload["title"] = params["title"]
+
+        resp = requests.post(f"{SUNO_BASE_URL}/generate/extend", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Suno Extend 오류: {resp.text[:300]}")
+            return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Extend 거부: {body.get('msg', '?')}")
+            return
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="Extend 응답에 taskId 없음")
+            return
+        webhook_update_task(task_id, "processing", 15, "곡 연장 대기열에 등록됨...")
+
+        response = _poll_suno_record("/generate/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="연장 완료했으나 트랙 없음")
+            return
+        webhook_update_task(task_id, "processing", 80, "연장된 오디오 다운로드 중...")
+        track = _download_and_register(task_id, completed[0], params)
+        if track:
+            webhook_add_track(task_id, "succeeded", 100, "곡 연장 완료",
+                              audio_url=track["audio_url"], track=track)
+    except Exception as e:
+        logger.exception("Suno extend error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_vocal_removal(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정")
+            return
+        webhook_update_task(task_id, "processing", 5, "보컬 분리 요청 중...")
+        payload = {"audioId": params["suno_id"], "callBackUrl": "https://example.com/noop"}
+        resp = requests.post(f"{SUNO_BASE_URL}/vocal-removal/generate", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Vocal Removal 오류: {resp.text[:300]}")
+            return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Vocal Removal 거부: {body.get('msg', '?')}")
+            return
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="응답에 taskId 없음")
+            return
+        webhook_update_task(task_id, "processing", 15, "보컬 분리 처리 중...")
+        response = _poll_suno_record("/vocal-removal/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="분리 완료했으나 트랙 없음")
+            return
+        webhook_update_task(task_id, "processing", 80, "분리된 오디오 다운로드 중...")
+        vp = {**params, "title": f"{params.get('title', 'Track')} (Vocals)"}
+        track = _download_and_register(task_id, completed[0], vp)
+        if len(completed) > 1:
+            ip = {**params, "title": f"{params.get('title', 'Track')} (Instrumental)"}
+            # Instrumental 변형은 SMB에 파일만 저장. NAS _sync_library_with_disk가 자동 등록.
+            _download_and_register(f"{task_id}_inst", completed[1], ip)
+        if track:
+            webhook_add_track(task_id, "succeeded", 100, "보컬 분리 완료",
+                              audio_url=track["audio_url"], track=track)
+    except Exception as e:
+        logger.exception("vocal removal error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_cover_image(task_id: str, params: dict) -> None:
+    """Suno 곡의 커버 이미지 2장 (URL JSON 반환)."""
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "커버 이미지 생성 요청 중...")
+        suno_task_id = params.get("suno_task_id", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="suno_task_id 필요"); return
+        payload = {"taskId": suno_task_id, "callBackUrl": "https://example.com/noop"}
+        resp = requests.post(f"{SUNO_BASE_URL}/suno/cover/generate", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Cover API 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Cover 거부: {body.get('msg', '?')}"); return
+        cover_task_id = body.get("data", {}).get("taskId", suno_task_id)
+        webhook_update_task(task_id, "processing", 15, "커버 이미지 생성 중...")
+        response = _poll_suno_record(
+            "/suno/cover/record-info", cover_task_id, task_id,
+            max_attempts=30, interval=5,
+            progress_msg_map={"PENDING": "이미지 생성 대기 중...", "GENERATING": "이미지 생성 중..."},
+        )
+        if not response:
+            return
+        images = response.get("images") or response.get("sunoData") or []
+        urls = []
+        if isinstance(images, list):
+            for img in images:
+                if isinstance(img, str):
+                    urls.append(img)
+                elif isinstance(img, dict):
+                    urls.append(img.get("imageUrl") or img.get("image_url", ""))
+        webhook_update_task(task_id, "succeeded", 100, "커버 완료",
+                            audio_url=json.dumps(urls))
+    except Exception as e:
+        logger.exception("cover image error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_wav_convert(task_id: str, params: dict) -> None:
+    """곡을 WAV 포맷으로 변환 (URL만)."""
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "WAV 변환 요청 중...")
+        payload = {
+            "taskId": params["suno_task_id"],
+            "audioId": params["suno_id"],
+            "callBackUrl": "https://example.com/noop",
+        }
+        resp = requests.post(f"{SUNO_BASE_URL}/wav/generate", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code == 409:
+            body = resp.json()
+            wav_url = body.get("data", {}).get("audioWavUrl", "")
+            if wav_url:
+                webhook_update_task(task_id, "succeeded", 100, "WAV 캐시", audio_url=wav_url)
+                return
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"WAV 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"WAV 거부: {body.get('msg', '?')}"); return
+        wav_task_id = body.get("data", {}).get("taskId", params["suno_task_id"])
+        webhook_update_task(task_id, "processing", 15, "WAV 변환 처리 중...")
+        response = _poll_suno_record(
+            "/wav/record-info", wav_task_id, task_id,
+            max_attempts=30, interval=5,
+            progress_msg_map={"PENDING": "WAV 대기 중...", "GENERATING": "WAV 변환 중..."},
+        )
+        if not response:
+            return
+        wav_url = ""
+        sd = response.get("sunoData") or []
+        if sd and isinstance(sd, list) and isinstance(sd[0], dict):
+            wav_url = sd[0].get("audioWavUrl", "")
+        if not wav_url:
+            wav_url = response.get("audioWavUrl", "")
+        webhook_update_task(task_id, "succeeded", 100, "WAV 변환 완료", audio_url=wav_url)
+    except Exception as e:
+        logger.exception("wav convert error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_stem_split(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "12스템 분리 요청 중...")
+        payload = {
+            "taskId": params["suno_task_id"],
+            "audioId": params["suno_id"],
+            "type": "split_stem",
+            "callBackUrl": "https://example.com/noop",
+        }
+        resp = requests.post(f"{SUNO_BASE_URL}/vocal-removal/generate", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Stem API 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Stem 거부: {body.get('msg', '?')}"); return
+        stem_task_id = body.get("data", {}).get("taskId", "")
+        if not stem_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="응답에 taskId 없음"); return
+        webhook_update_task(task_id, "processing", 15, "12스템 분리 처리 중 (2~3분)...")
+        response = _poll_suno_record(
+            "/vocal-removal/record-info", stem_task_id, task_id,
+            max_attempts=40, interval=8,
+            progress_msg_map={"PENDING": "스템 대기 중...", "GENERATING": "스템 분리 중..."},
+        )
+        if not response:
+            return
+        sd = response.get("sunoData") or []
+        stems = {}
+        names = ["vocal", "backing_vocals", "drums", "bass", "guitar", "keyboard",
+                 "strings", "brass", "woodwinds", "percussion", "synth", "fx"]
+        for i, item in enumerate(sd):
+            if isinstance(item, dict):
+                nm = names[i] if i < len(names) else f"stem_{i}"
+                stems[nm] = item.get("audioUrl") or item.get("audio_url", "")
+        webhook_update_task(task_id, "succeeded", 100, "12스템 완료",
+                            audio_url=json.dumps(stems))
+    except Exception as e:
+        logger.exception("stem split error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_upload_cover(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "AI Cover 요청 중...")
+        payload = {
+            "uploadUrl": params["upload_url"],
+            "customMode": params.get("custom_mode", True),
+            "instrumental": params.get("instrumental", False),
+            "model": params.get("model", "V4"),
+            "callBackUrl": "https://example.com/noop",
+        }
+        for k, ak in [("prompt", "prompt"), ("style", "style"), ("title", "title"),
+                      ("vocal_gender", "vocalGender"), ("negative_tags", "negativeTags"),
+                      ("style_weight", "styleWeight"), ("audio_weight", "audioWeight")]:
+            if params.get(k):
+                payload[ak] = params[k]
+        resp = requests.post(f"{SUNO_BASE_URL}/generate/upload-cover", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Upload Cover 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Upload Cover 거부: {body.get('msg', '?')}"); return
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="응답에 taskId 없음"); return
+        webhook_update_task(task_id, "processing", 15, "AI Cover 생성 중...")
+        response = _poll_suno_record("/generate/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="Cover 완료했으나 트랙 없음"); return
+        track = _download_and_register(task_id, completed[0], params)
+        if track:
+            webhook_add_track(task_id, "succeeded", 100, "AI Cover 완료",
+                              audio_url=track["audio_url"], track=track)
+    except Exception as e:
+        logger.exception("upload cover error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_upload_extend(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "Upload Extend 요청 중...")
+        payload = {
+            "uploadUrl": params["upload_url"],
+            "defaultParamFlag": params.get("default_param_flag", True),
+            "model": params.get("model", "V4"),
+            "callBackUrl": "https://example.com/noop",
+        }
+        for k, ak in [("prompt", "prompt"), ("style", "style"), ("title", "title"),
+                      ("continue_at", "continueAt"), ("instrumental", "instrumental"),
+                      ("vocal_gender", "vocalGender"), ("negative_tags", "negativeTags")]:
+            if params.get(k) is not None:
+                payload[ak] = params[k]
+        resp = requests.post(f"{SUNO_BASE_URL}/generate/upload-extend", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Upload Extend 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Upload Extend 거부: {body.get('msg', '?')}"); return
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="응답에 taskId 없음"); return
+        webhook_update_task(task_id, "processing", 15, "Upload Extend 생성 중...")
+        response = _poll_suno_record("/generate/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="Upload Extend 완료했으나 트랙 없음"); return
+        track = _download_and_register(task_id, completed[0], params)
+        if track:
+            webhook_add_track(task_id, "succeeded", 100, "Upload Extend 완료",
+                              audio_url=track["audio_url"], track=track)
+    except Exception as e:
+        logger.exception("upload extend error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_add_vocals(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "보컬 추가 요청 중...")
+        payload = {
+            "uploadUrl": params["upload_url"],
+            "prompt": params.get("prompt", ""),
+            "title": params.get("title", ""),
+            "style": params.get("style", ""),
+            "negativeTags": params.get("negative_tags", ""),
+            "callBackUrl": "https://example.com/noop",
+        }
+        for k, ak in [("vocal_gender", "vocalGender"), ("model", "model"),
+                      ("style_weight", "styleWeight"), ("audio_weight", "audioWeight")]:
+            if params.get(k) is not None:
+                payload[ak] = params[k]
+        resp = requests.post(f"{SUNO_BASE_URL}/generate/add-vocals", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Add Vocals 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Add Vocals 거부: {body.get('msg', '?')}"); return
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="응답에 taskId 없음"); return
+        webhook_update_task(task_id, "processing", 15, "AI 보컬 생성 중...")
+        response = _poll_suno_record("/generate/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="보컬 추가 완료했으나 트랙 없음"); return
+        track = _download_and_register(task_id, completed[0], params)
+        if track:
+            webhook_add_track(task_id, "succeeded", 100, "보컬 추가 완료",
+                              audio_url=track["audio_url"], track=track)
+    except Exception as e:
+        logger.exception("add vocals error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_add_instrumental(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "인스트루멘탈 추가 요청 중...")
+        payload = {
+            "uploadUrl": params["upload_url"],
+            "title": params.get("title", ""),
+            "tags": params.get("tags", ""),
+            "negativeTags": params.get("negative_tags", ""),
+            "callBackUrl": "https://example.com/noop",
+        }
+        for k, ak in [("vocal_gender", "vocalGender"), ("model", "model"),
+                      ("style_weight", "styleWeight"), ("audio_weight", "audioWeight")]:
+            if params.get(k) is not None:
+                payload[ak] = params[k]
+        resp = requests.post(f"{SUNO_BASE_URL}/generate/add-instrumental", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Add Inst 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Add Inst 거부: {body.get('msg', '?')}"); return
+        suno_task_id = body.get("data", {}).get("taskId", "")
+        if not suno_task_id:
+            webhook_update_task(task_id, "failed", 0, "", error="응답에 taskId 없음"); return
+        webhook_update_task(task_id, "processing", 15, "AI 반주 생성 중...")
+        response = _poll_suno_record("/generate/record-info", suno_task_id, task_id)
+        if not response:
+            return
+        completed = response.get("sunoData") or []
+        if not completed:
+            webhook_update_task(task_id, "failed", 0, "", error="Add Inst 완료했으나 트랙 없음"); return
+        track = _download_and_register(task_id, completed[0], params)
+        if track:
+            webhook_add_track(task_id, "succeeded", 100, "Add Instrumental 완료",
+                              audio_url=track["audio_url"], track=track)
+    except Exception as e:
+        logger.exception("add instrumental error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))
+
+
+def run_video_generate(task_id: str, params: dict) -> None:
+    try:
+        if not SUNO_API_KEY:
+            webhook_update_task(task_id, "failed", 0, "", error="SUNO_API_KEY 미설정"); return
+        webhook_update_task(task_id, "processing", 5, "뮤직비디오 생성 요청 중...")
+        payload = {
+            "taskId": params["suno_task_id"],
+            "audioId": params["suno_id"],
+            "callBackUrl": "https://example.com/noop",
+        }
+        if params.get("author"):
+            payload["author"] = params["author"][:50]
+        if params.get("domain_name"):
+            payload["domainName"] = params["domain_name"][:50]
+        resp = requests.post(f"{SUNO_BASE_URL}/mp4/generate", headers=_headers(), json=payload, timeout=30)
+        if resp.status_code != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Video 오류: {resp.text[:300]}"); return
+        body = resp.json()
+        if body.get("code") != 200:
+            webhook_update_task(task_id, "failed", 0, "", error=f"Video 거부: {body.get('msg', '?')}"); return
+        video_task_id = body.get("data", {}).get("taskId", params.get("suno_task_id", ""))
+        webhook_update_task(task_id, "processing", 15, "뮤직비디오 렌더링 중...")
+        response = _poll_suno_record(
+            "/mp4/record-info", video_task_id, task_id,
+            max_attempts=60, interval=10,
+            progress_msg_map={"PENDING": "비디오 대기 중...", "GENERATING": "비디오 렌더링 중..."},
+        )
+        if not response:
+            return
+        video_url = ""
+        sd = response.get("sunoData") or []
+        if sd and isinstance(sd, list) and isinstance(sd[0], dict):
+            video_url = sd[0].get("videoUrl") or sd[0].get("video_url", "")
+        if not video_url:
+            video_url = response.get("video_url") or response.get("videoUrl", "")
+        webhook_update_task(task_id, "succeeded", 100, "뮤직비디오 완료", audio_url=video_url)
+    except Exception as e:
+        logger.exception("video generate error task=%s", task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=str(e))

services/music-render/providers/sync_ops.py

@@ -0,0 +1,131 @@
+"""Sync Suno API helpers — main.py FastAPI sync endpoints에서 호출.
+
+NAS music-lab/app/suno_provider.py의 sync 함수들 이식.
+"""
+from __future__ import annotations
+
+import logging
+import os
+import time
+from typing import Optional
+
+import requests
+
+logger = logging.getLogger(__name__)
+
+SUNO_BASE_URL = "https://api.sunoapi.org/api/v1"
+SUNO_API_KEY = os.getenv("SUNO_API_KEY", "")
+
+
+def _headers() -> dict:
+    return {
+        "Authorization": f"Bearer {SUNO_API_KEY}",
+        "Content-Type": "application/json",
+    }
+
+
+def generate_lyrics(prompt: str) -> Optional[dict]:
+    """Suno 가사 생성 API — 폴링 결과 반환."""
+    if not SUNO_API_KEY:
+        return None
+    try:
+        resp = requests.post(
+            f"{SUNO_BASE_URL}/lyrics",
+            headers=_headers(),
+            json={"prompt": prompt[:200]},
+            timeout=30,
+        )
+        if resp.status_code != 200:
+            return None
+        body = resp.json()
+        if body.get("code") != 200:
+            return body
+        task_id = body.get("data", {}).get("taskId", "")
+        if not task_id:
+            return body
+        return _poll_lyrics(task_id)
+    except Exception as e:
+        logger.warning("Suno lyrics API error: %s", e)
+        return None
+
+
+def _poll_lyrics(lyrics_task_id: str) -> Optional[dict]:
+    for _ in range(15):
+        time.sleep(3)
+        try:
+            resp = requests.get(
+                f"{SUNO_BASE_URL}/lyrics/record-info",
+                headers=_headers(),
+                params={"taskId": lyrics_task_id},
+                timeout=15,
+            )
+            if resp.status_code != 200:
+                continue
+            body = resp.json()
+            data = body.get("data", {})
+            if data.get("status") == "complete":
+                items = data.get("data") or data.get("sunoData") or []
+                if items and isinstance(items, list):
+                    return {
+                        "id": lyrics_task_id,
+                        "status": "complete",
+                        "text": items[0].get("text", ""),
+                        "title": items[0].get("title", ""),
+                    }
+                return {"id": lyrics_task_id, "status": "complete", "text": ""}
+        except Exception:
+            continue
+    return None
+
+
+def get_credits() -> Optional[dict]:
+    if not SUNO_API_KEY:
+        return None
+    for path in ["/generate/credit", "/get-credits"]:
+        try:
+            resp = requests.get(f"{SUNO_BASE_URL}{path}", headers=_headers(), timeout=15)
+            if resp.status_code == 200:
+                body = resp.json()
+                data = body.get("data", body)
+                if isinstance(data, (int, float)):
+                    return {"credits_left": int(data)}
+                return data
+        except Exception as e:
+            logger.warning("Suno credits API error (%s): %s", path, e)
+    return None
+
+
+def get_timestamped_lyrics(suno_task_id: str, suno_id: str) -> Optional[dict]:
+    if not SUNO_API_KEY:
+        return None
+    try:
+        resp = requests.post(
+            f"{SUNO_BASE_URL}/generate/get-timestamped-lyrics",
+            headers=_headers(),
+            json={"taskId": suno_task_id, "audioId": suno_id},
+            timeout=30,
+        )
+        if resp.status_code == 200:
+            body = resp.json()
+            return body.get("data", body)
+    except Exception as e:
+        logger.warning("Timestamped lyrics error: %s", e)
+    return None
+
+
+def generate_style_boost(content: str) -> Optional[dict]:
+    if not SUNO_API_KEY:
+        return None
+    try:
+        resp = requests.post(
+            f"{SUNO_BASE_URL}/style/generate",
+            headers=_headers(),
+            json={"content": content},
+            timeout=30,
+        )
+        if resp.status_code == 200:
+            body = resp.json()
+            return body.get("data", body)
+    except Exception as e:
+        logger.warning("Style boost error: %s", e)
+    return None

services/music-render/requirements.txt

@@ -0,0 +1,9 @@
+fastapi==0.115.6
+uvicorn[standard]==0.34.0
+requests==2.32.3
+redis>=5.0
+httpx>=0.27
+mutagen==1.47.0
+pytest>=8.0
+pytest-asyncio>=0.24
+respx>=0.21

services/music-render/tests/test_nas_client.py

@@ -0,0 +1,80 @@
+"""nas_client — webhook adapter tests."""
+import os
+import pytest
+import respx
+import httpx
+
+from nas_client import webhook_update_task, webhook_add_track
+
+
+@pytest.fixture(autouse=True)
+def _env(monkeypatch):
+    monkeypatch.setenv("NAS_BASE_URL", "http://nas-test:18600")
+    monkeypatch.setenv("INTERNAL_API_KEY", "test-key")
+
+
+@respx.mock
+def test_webhook_update_task_sends_x_internal_key():
+    route = respx.post("http://nas-test:18600/api/internal/music/update").mock(
+        return_value=httpx.Response(200, json={"ok": True})
+    )
+    webhook_update_task("task-1", "processing", 30, message="downloading")
+    assert route.called
+    req = route.calls[0].request
+    assert req.headers["X-Internal-Key"] == "test-key"
+    import json
+    body = json.loads(req.content)
+    assert body["task_id"] == "task-1"
+    assert body["status"] == "processing"
+    assert body["progress"] == 30
+    assert body["message"] == "downloading"
+
+
+@respx.mock
+def test_webhook_update_task_with_audio_url():
+    route = respx.post("http://nas-test:18600/api/internal/music/update").mock(
+        return_value=httpx.Response(200, json={"ok": True})
+    )
+    webhook_update_task("task-2", "succeeded", 100, message="완료",
+                       audio_url="/media/music/task-2.mp3")
+    import json
+    payload = json.loads(route.calls[0].request.content)
+    assert payload["audio_url"] == "/media/music/task-2.mp3"
+    assert payload["status"] == "succeeded"
+
+
+@respx.mock
+def test_webhook_update_task_with_error():
+    route = respx.post("http://nas-test:18600/api/internal/music/update").mock(
+        return_value=httpx.Response(200, json={"ok": True})
+    )
+    webhook_update_task("task-3", "failed", 0, error="API rate limit")
+    import json
+    payload = json.loads(route.calls[0].request.content)
+    assert payload["error"] == "API rate limit"
+
+
+@respx.mock
+def test_webhook_add_track_uses_track_field():
+    """add_track은 update와 동시에 (succeeded 시)."""
+    route = respx.post("http://nas-test:18600/api/internal/music/update").mock(
+        return_value=httpx.Response(200, json={"ok": True})
+    )
+    track = {"title": "x", "audio_url": "/media/music/t.mp3", "provider": "suno"}
+    webhook_add_track("task-4", "succeeded", 100, message="ok",
+                     audio_url="/media/music/t.mp3", track=track)
+    import json
+    payload = json.loads(route.calls[0].request.content)
+    assert payload["track"]["title"] == "x"
+    assert payload["status"] == "succeeded"
+
+
+@respx.mock
+def test_webhook_swallows_network_error(caplog):
+    """webhook 실패해도 raise 안 함 (logger.error)."""
+    respx.post("http://nas-test:18600/api/internal/music/update").mock(
+        side_effect=httpx.ConnectError("no host")
+    )
+    # raise 안 하면 통과
+    webhook_update_task("task-5", "processing", 10)
+    assert "task-5" in caplog.text

services/music-render/tests/test_suno_provider.py

@@ -0,0 +1,32 @@
+"""providers/suno.py — _build_suno_payload 단위 테스트 + 1개 함수 mock 검증."""
+import pytest
+from providers.suno import _build_suno_payload
+
+
+def test_payload_custom_mode_with_lyrics():
+    params = {"lyrics": "[Verse]\nhello", "genre": "lofi", "moods": ["chill"], "model": "V4"}
+    p = _build_suno_payload(params)
+    assert p["customMode"] is True
+    assert p["prompt"] == "[Verse]\nhello"
+    assert "lofi" in p["style"]
+    assert "chill" in p["style"]
+
+
+def test_payload_simple_mode_no_lyrics_no_genre():
+    params = {"prompt": "happy summer", "model": "V4"}
+    p = _build_suno_payload(params)
+    assert p["customMode"] is False
+    assert "happy summer" in p["prompt"]
+
+
+def test_payload_instrumental_clears_prompt():
+    params = {"genre": "ambient", "instrumental": True, "model": "V5"}
+    p = _build_suno_payload(params)
+    assert p["instrumental"] is True
+    assert p["prompt"] == ""
+
+
+def test_payload_includes_optional_vocal_gender():
+    params = {"genre": "pop", "vocal_gender": "f", "model": "V4"}
+    p = _build_suno_payload(params)
+    assert p["vocalGender"] == "f"

services/music-render/tests/test_worker.py

@@ -0,0 +1,109 @@
+"""worker.py — job_type 디스패처 + paused 체크."""
+import json
+import pytest
+from unittest.mock import MagicMock, patch
+
+import worker
+
+
+def test_dispatch_suno_generation_calls_run_suno_generation():
+    payload = {
+        "task_id": "t1",
+        "job_type": "suno_generation",
+        "params": {"genre": "lofi", "title": "x"},
+    }
+    with patch("worker.run_suno_generation") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t1", {"genre": "lofi", "title": "x"})
+
+
+def test_dispatch_local_generation_calls_run_local_generation():
+    payload = {
+        "task_id": "t2",
+        "job_type": "local_generation",
+        "params": {"genre": "ambient"},
+    }
+    with patch("worker.run_local_generation") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t2", {"genre": "ambient"})
+
+
+def test_dispatch_unknown_job_type_logs_error():
+    payload = {"task_id": "t3", "job_type": "weird_type", "params": {}}
+    with patch("worker.webhook_update_task") as m:
+        worker._dispatch(payload)
+        # 알 수 없는 job_type은 failed로 보고
+        m.assert_called_once()
+        args = m.call_args[0]
+        assert args[0] == "t3"
+        assert args[1] == "failed"
+
+
+def test_dispatch_suno_extend_calls_run_suno_extend():
+    payload = {"task_id": "t4", "job_type": "suno_extend", "params": {"suno_id": "abc"}}
+    with patch("worker.run_suno_extend") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t4", {"suno_id": "abc"})
+
+
+def test_dispatch_vocal_removal_calls_run_vocal_removal():
+    payload = {"task_id": "t5", "job_type": "vocal_removal", "params": {"suno_id": "abc"}}
+    with patch("worker.run_vocal_removal") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t5", {"suno_id": "abc"})
+
+
+def test_dispatch_cover_image_calls_run_cover_image():
+    payload = {"task_id": "t6", "job_type": "cover_image", "params": {"suno_task_id": "x"}}
+    with patch("worker.run_cover_image") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t6", {"suno_task_id": "x"})
+
+
+def test_dispatch_wav_convert_calls_run_wav_convert():
+    payload = {"task_id": "t7", "job_type": "wav_convert", "params": {"suno_task_id": "x", "suno_id": "y"}}
+    with patch("worker.run_wav_convert") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t7", {"suno_task_id": "x", "suno_id": "y"})
+
+
+def test_dispatch_stem_split_calls_run_stem_split():
+    payload = {"task_id": "t8", "job_type": "stem_split", "params": {"suno_task_id": "x", "suno_id": "y"}}
+    with patch("worker.run_stem_split") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t8", {"suno_task_id": "x", "suno_id": "y"})
+
+
+def test_dispatch_video_generate_calls_run_video_generate():
+    payload = {"task_id": "t9", "job_type": "video_generate", "params": {"suno_task_id": "x", "suno_id": "y"}}
+    with patch("worker.run_video_generate") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t9", {"suno_task_id": "x", "suno_id": "y"})
+
+
+def test_dispatch_upload_cover_calls_run_upload_cover():
+    payload = {"task_id": "t10", "job_type": "upload_cover", "params": {"upload_url": "u"}}
+    with patch("worker.run_upload_cover") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t10", {"upload_url": "u"})
+
+
+def test_dispatch_upload_extend_calls_run_upload_extend():
+    payload = {"task_id": "t11", "job_type": "upload_extend", "params": {"upload_url": "u"}}
+    with patch("worker.run_upload_extend") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t11", {"upload_url": "u"})
+
+
+def test_dispatch_add_vocals_calls_run_add_vocals():
+    payload = {"task_id": "t12", "job_type": "add_vocals", "params": {"upload_url": "u"}}
+    with patch("worker.run_add_vocals") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t12", {"upload_url": "u"})
+
+
+def test_dispatch_add_instrumental_calls_run_add_instrumental():
+    payload = {"task_id": "t13", "job_type": "add_instrumental", "params": {"upload_url": "u"}}
+    with patch("worker.run_add_instrumental") as m:
+        worker._dispatch(payload)
+        m.assert_called_once_with("t13", {"upload_url": "u"})

services/music-render/worker.py

@@ -0,0 +1,95 @@
+"""Redis BLPOP worker — queue:music-render → job_type 디스패치 → NAS webhook.
+
+queue:paused 가 set이면 대기 (task-watcher가 박재오 활동 감지 시 set).
+"""
+from __future__ import annotations
+
+import asyncio
+import json
+import logging
+import os
+from typing import Any
+
+import redis.asyncio as aioredis
+
+from nas_client import webhook_update_task
+from providers.suno import (
+    run_suno_generation, run_suno_extend, run_vocal_removal,
+    run_cover_image, run_wav_convert, run_stem_split,
+    run_upload_cover, run_upload_extend, run_add_vocals,
+    run_add_instrumental, run_video_generate,
+)
+from providers.local import run_local_generation
+
+logger = logging.getLogger(__name__)
+
+REDIS_URL = os.getenv("REDIS_URL", "redis://192.168.45.54:6379")
+QUEUE_KEY = "queue:music-render"
+PAUSED_KEY = "queue:paused"
+
+# Maps job_type → module-level function name (string).
+# _dispatch resolves the name via globals() at call time so unittest.mock.patch
+# on "worker.<name>" is correctly intercepted.
+_DISPATCH_TABLE: dict[str, str] = {
+    "suno_generation":  "run_suno_generation",
+    "local_generation": "run_local_generation",
+    "suno_extend":      "run_suno_extend",
+    "vocal_removal":    "run_vocal_removal",
+    "cover_image":      "run_cover_image",
+    "wav_convert":      "run_wav_convert",
+    "stem_split":       "run_stem_split",
+    "upload_cover":     "run_upload_cover",
+    "upload_extend":    "run_upload_extend",
+    "add_vocals":       "run_add_vocals",
+    "add_instrumental": "run_add_instrumental",
+    "video_generate":   "run_video_generate",
+}
+
+
+def _dispatch(payload: dict) -> None:
+    """payload[job_type] → provider 함수 호출 (sync, asyncio.to_thread로 래핑)."""
+    import sys
+    _self = sys.modules[__name__]
+    job_type = payload.get("job_type", "")
+    task_id = payload.get("task_id", "")
+    params = payload.get("params", {})
+    fn_name = _DISPATCH_TABLE.get(job_type)
+    if fn_name is None:
+        logger.error("unknown job_type=%s task=%s", job_type, task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=f"unknown job_type: {job_type}")
+        return
+    try:
+        fn = getattr(_self, fn_name)
+    except AttributeError:
+        logger.error("dispatch table typo for job_type=%s name=%s task=%s", job_type, fn_name, task_id)
+        webhook_update_task(task_id, "failed", 0, "", error=f"internal dispatch error: {fn_name}")
+        return
+    fn(task_id, params)
+
+
+async def worker_loop():
+    redis = aioredis.from_url(REDIS_URL, decode_responses=False)
+    logger.info("music-render worker started (queue=%s)", QUEUE_KEY)
+    while True:
+        try:
+            paused = await redis.get(PAUSED_KEY)
+            if paused == b"1":
+                await asyncio.sleep(10)
+                continue
+            item = await redis.blpop(QUEUE_KEY, timeout=1)
+            if item is None:
+                continue
+            _, raw = item
+            try:
+                payload = json.loads(raw)
+            except json.JSONDecodeError:
+                logger.error("invalid queue payload: %r", raw[:200])
+                continue
+            # sync provider 함수 — thread로 실행해서 이벤트 루프 블로킹 방지
+            await asyncio.to_thread(_dispatch, payload)
+        except asyncio.CancelledError:
+            logger.info("worker_loop cancelled")
+            raise
+        except Exception:
+            logger.exception("worker_loop iteration 실패, 5초 후 재시도")
+            await asyncio.sleep(5)