From 8b5cb2c16aaa3a41d680b950d38d74f1e45b2636 Mon Sep 17 00:00:00 2001
From: gahusb <bgg8988@gmail.com>
Date: Sun, 10 May 2026 23:53:35 +0900
Subject: [PATCH] =?UTF-8?q?feat(music-lab):=20=EB=9E=9C=EB=8D=A4=20?=
 =?UTF-8?q?=ED=92=80=EC=97=90=207=EA=B0=9C=20=EC=9E=A5=EB=A5=B4=20?=
 =?UTF-8?q?=EC=B6=94=EA=B0=80=20+=20GET=20/api/music/genres?=
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---
 music-lab/app/main.py         |  7 ++++
 music-lab/app/random_pools.py | 68 +++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)

diff --git a/music-lab/app/main.py b/music-lab/app/main.py
index 6d4dcd1..c38a521 100644
--- a/music-lab/app/main.py
+++ b/music-lab/app/main.py
@@ -906,6 +906,13 @@ def list_batches(status: str = "all"):
     return {"batches": _db_module.list_batch_jobs(active_only=(status == "active"))}
 
 
+@app.get("/api/music/genres")
+def list_supported_genres():
+    """배치 생성에서 사용 가능한 장르 목록 — random_pools의 키."""
+    from .random_pools import list_genres
+    return {"genres": list_genres()}
+
+
 # ── 수익화 추적 API ───────────────────────────────────────────────────────────
 
 @app.get("/api/music/revenue/dashboard")
diff --git a/music-lab/app/random_pools.py b/music-lab/app/random_pools.py
index 9ea8236..de0ebeb 100644
--- a/music-lab/app/random_pools.py
+++ b/music-lab/app/random_pools.py
@@ -38,6 +38,69 @@ POOLS = {
         "scales": ["major"],
         "prompt_modifiers": ["radio-ready", "summer vibe", "feel-good"],
     },
+    "synthwave": {
+        "moods": ["retro", "nostalgic", "futuristic", "dreamy", "moody"],
+        "instruments_pool": ["synth lead", "synth bass", "drum machine", "arp synth", "pad synth", "vocoder"],
+        "instruments_count": (3, 4),
+        "bpm": (90, 120),
+        "keys": ["A", "D", "F", "G"],
+        "scales": ["minor", "major"],
+        "prompt_modifiers": ["80s neon city night", "retro arcade glow", "VHS aesthetic", "cyberpunk skyline"],
+    },
+    "chillhop": {
+        "moods": ["chill", "groovy", "warm", "nostalgic", "head-nodding"],
+        "instruments_pool": ["jazz piano", "bass guitar", "drum kit", "saxophone", "vinyl crackle", "rhodes", "muted trumpet"],
+        "instruments_count": (3, 5),
+        "bpm": (75, 95),
+        "keys": ["C", "D", "F", "G", "A"],
+        "scales": ["major", "minor"],
+        "prompt_modifiers": ["jazz bar lounge", "chill summer afternoon", "vintage warm tape"],
+    },
+    "jazz": {
+        "moods": ["smooth", "elegant", "moody", "warm", "sophisticated"],
+        "instruments_pool": ["piano", "double bass", "jazz drums", "saxophone", "trumpet", "jazz guitar"],
+        "instruments_count": (3, 5),
+        "bpm": (75, 130),
+        "keys": ["C", "D", "F", "G", "A"],
+        "scales": ["major", "minor"],
+        "prompt_modifiers": ["smoky jazz club", "fireplace evening", "elegant lounge", "rainy speakeasy"],
+    },
+    "hip-hop": {
+        "moods": ["confident", "groovy", "head-nodding", "dark", "energetic"],
+        "instruments_pool": ["808 bass", "trap drums", "synth lead", "vocal samples", "piano chords", "vinyl scratch", "boom bap drums"],
+        "instruments_count": (3, 4),
+        "bpm": (85, 100),
+        "keys": ["C", "D", "F", "G"],
+        "scales": ["minor"],
+        "prompt_modifiers": ["urban night", "boom bap classic", "street vibe", "underground"],
+    },
+    "electronic": {
+        "moods": ["energetic", "uplifting", "hypnotic", "futuristic", "driving"],
+        "instruments_pool": ["synth lead", "synth bass", "drum machine", "fx pad", "arp", "kick", "snare claps"],
+        "instruments_count": (3, 5),
+        "bpm": (110, 140),
+        "keys": ["A", "C", "D", "F", "G"],
+        "scales": ["minor", "major"],
+        "prompt_modifiers": ["club energy", "festival vibe", "neon dance floor"],
+    },
+    "classical": {
+        "moods": ["serene", "elegant", "melancholic", "majestic", "tender"],
+        "instruments_pool": ["piano", "strings", "cello", "violin", "harp", "flute", "oboe"],
+        "instruments_count": (1, 3),
+        "bpm": (60, 100),
+        "keys": ["C", "D", "E", "F", "G", "A"],
+        "scales": ["major", "minor"],
+        "prompt_modifiers": ["orchestra hall", "candlelight evening", "morning piano study", "stately concert"],
+    },
+    "funk": {
+        "moods": ["groovy", "funky", "energetic", "uplifting", "playful"],
+        "instruments_pool": ["bass guitar", "wah guitar", "horn section", "drums", "clavinet", "rhodes"],
+        "instruments_count": (3, 5),
+        "bpm": (95, 120),
+        "keys": ["C", "D", "E", "F", "G"],
+        "scales": ["major", "minor"],
+        "prompt_modifiers": ["70s groove", "disco funk", "soul party"],
+    },
     "default": {
         "moods": ["chill", "relaxing", "uplifting", "mellow"],
         "instruments_pool": ["piano", "synth", "drums", "guitar", "bass", "strings"],
@@ -50,6 +113,11 @@ POOLS = {
 }
 
 
+def list_genres() -> list[str]:
+    """프론트에 노출할 장르 목록 — POOLS의 키 (default 제외)."""
+    return [g for g in POOLS.keys() if g != "default"]
+
+
 def randomize(genre: str, rng=None) -> dict:
     """장르 → 랜덤 음악 파라미터 1세트.