fix: Songs API filtering and default vertical

- Added vertical query param to GET /songs for correct filtering
- Changed default vertical to Phish (was Goose) to avoid empty data for new users

backend/routers/songs.py

@@ -19,8 +19,23 @@ def create_song(song: SongCreate, session: Session = Depends(get_session), curre
     return db_song
 
 @router.get("/", response_model=List[SongRead])
-def read_songs(offset: int = 0, limit: int = Query(default=100, le=1000), session: Session = Depends(get_session)):
+def read_songs(
-    songs = session.exec(select(Song).offset(offset).limit(limit)).all()
+    offset: int = 0, 
+    limit: int = Query(default=100, le=1000), 
+    vertical: str = Query(default=None, description="Filter by vertical slug"),
+    session: Session = Depends(get_session)
+):
+    query = select(Song)
+    
+    if vertical:
+        from models import Vertical
+        vertical_entity = session.exec(select(Vertical).where(Vertical.slug == vertical)).first()
+        if vertical_entity:
+            query = query.where(Song.vertical_id == vertical_entity.id)
+        else:
+            return []
+            
+    songs = session.exec(query.offset(offset).limit(limit)).all()
     return songs
 
 @router.get("/{slug}", response_model=SongReadWithStats)

frontend/config/verticals.ts

@@ -1,6 +1,6 @@
 export const VERTICALS = [
-    { slug: "goose", name: "Goose" },
     { slug: "phish", name: "Phish" },
+    { slug: "goose", name: "Goose" },
     { slug: "grateful-dead", name: "Grateful Dead" },
     { slug: "dead-and-company", name: "Dead & Company" },
     { slug: "billy-strings", name: "Billy Strings" },