Add song library with Git LFS, DJ chat, and tinqs/live-radio publish path.

Songs persist under songs/ (MP3 via LFS, metadata in git). Player shows saved library.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/ozan_radio/server.py

@@ -14,6 +14,7 @@ from ozan_radio.lyria import LyriaEngine
 from ozan_radio.queue import RadioQueue
 from ozan_radio.spotify import SpotifyTaste
 from ozan_radio.chat_store import ChatStore
+from ozan_radio.library import list_saved_songs
 from ozan_radio.taste import load_taste_seeds
 
 app = FastAPI(title="Live Ozan Radio", version="0.1.0")
@@ -86,6 +87,7 @@ async def root() -> dict:
             "generate": "POST /api/generate",
             "chat": "POST /api/chat",
             "chat_log": "/api/chat",
+            "songs": "/api/songs",
             "player": "/player",
         },
     }
@@ -154,6 +156,42 @@ async def chat_with_dj(body: ChatRequest, background: BackgroundTasks) -> dict:
     return result
 
 
+@app.get("/api/songs")
+async def saved_songs() -> dict:
+    cfg = _get_config()
+    songs = list_saved_songs(cfg.output_dir)
+    return {"count": len(songs), "songs": songs, "folder": str(cfg.output_dir)}
+
+
+@app.post("/api/songs/{track_id}/play")
+async def play_saved(track_id: str) -> dict:
+    q = _get_queue()
+    track = q.play_id(track_id)
+    if not track:
+        cfg = _get_config()
+        for entry in list_saved_songs(cfg.output_dir):
+            if entry["id"] == track_id:
+                from ozan_radio.dj import TrackPlan
+                from ozan_radio.lyria import GeneratedTrack
+
+                plan = TrackPlan(
+                    id=entry["id"],
+                    title=entry.get("title", track_id),
+                    mood=entry.get("mood", ""),
+                    dj_line=entry.get("dj_line", ""),
+                    lyria_prompt=entry.get("lyria_prompt", ""),
+                )
+                path = cfg.output_dir / entry["file"]
+                restored = GeneratedTrack(plan=plan, audio_path=path, lyrics=entry.get("lyrics", ""))
+                q.add(restored)
+                q.play_id(track_id)
+                np = q.now_playing()
+                return {"status": "ok", "track": np.__dict__ if np else None}
+        raise HTTPException(404, "Song not found")
+    np = q.now_playing()
+    return {"status": "ok", "track": np.__dict__ if np else None}
+
+
 @app.post("/api/skip")
 async def skip_track() -> dict:
     q = _get_queue()