Fix voice search: use Modal proxy first in search_by_request

src/mcp_servers/music_server.py

@@ -668,8 +668,11 @@ 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