Fix build

backend/src/models/crud.py

@@ -55,7 +55,7 @@ def create_track(db: Session, analysis: AudioAnalysis) -> AudioTrack:
         vocal_gender=analysis.vocal_gender,
 
         # Metadata
-        metadata=analysis.metadata,
+        extra_metadata=analysis.metadata,
     )
 
     db.add(track)

backend/src/models/schema.py

@@ -60,7 +60,7 @@ class AudioTrack(Base):
     embedding_model = Column(String, nullable=True)  # Model name used
 
     # Additional metadata (JSON for flexibility)
-    metadata = Column(JSON, nullable=True)
+    extra_metadata = Column(JSON, nullable=True)
 
     # Indexes
     __table_args__ = (
@@ -123,5 +123,5 @@ class AudioTrack(Base):
                 "dimension": 512 if self.embedding else None,
                 # Don't include actual vector in API responses (too large)
             },
-            "metadata": self.metadata or {},
+            "metadata": self.extra_metadata or {},
         }