Replace all YouTube searches with Modal proxy as primary method

src/mcp_servers/music_server.py

@@ -706,8 +706,11 @@ class MusicMCPServer:
         
         print(f"🔍 Searching for music: '{query}'")
         
-        # Try YouTube first - only get 1 track for speed (random selection happens inside)
-        tracks = self.search_youtube_music(query, limit=1, fast=True)
+        # Try Modal proxy first (works in restricted networks like HF Spaces)
+        tracks = self.search_youtube_via_modal_proxy(query, limit=1)
+        if not tracks:
+            # Fallback to direct YouTube search (won't work in HF Spaces but kept for local testing)
+            tracks = self.search_youtube_music(query, limit=1, fast=True)
         
         if tracks:
             # Preserve custom genre in track metadata
@@ -733,7 +736,11 @@ class MusicMCPServer:
         print("⚠️ Both searches failed, trying simplified query...")
         if song_request.get("song"):
             simple_query = song_request["song"]
-            tracks = self.search_youtube_music(simple_query, limit=1, fast=True)
+            # Try Modal proxy first
+            tracks = self.search_youtube_via_modal_proxy(simple_query, limit=1)
+            if not tracks:
+                # Fallback to direct YouTube search
+                tracks = self.search_youtube_music(simple_query, limit=1, fast=True)
             if tracks:
                 if song_request.get("genre"):
                     for track in tracks: