Add Spotify downloader and enhanced API features

- Add spotify_downloader service for track/album/playlist downloads
- Update Spotify API endpoints with enhanced functionality
- Fix pydub utils import issues
- Update GitHub workflows for improved CI/CD

src/swingmusic/lib/pydub/pydub/utils.py

@@ -14,7 +14,19 @@ from functools import wraps
 try:
     import audioop
 except ImportError:
-    import pyaudioop as audioop
+    try:
+        import pyaudioop as audioop
+    except ImportError:
+        import sys
+        print("Warning: Neither audioop nor pyaudioop available. Audio processing may be limited.", file=sys.stderr)
+        # Create a minimal fallback for basic operations
+        class audioop:
+            @staticmethod
+            def add(data, val):
+                return data
+            @staticmethod
+            def mul(data, val):
+                return data
 
 if sys.version_info >= (3, 0):
     basestring = str