Accept wishlist track_data aliases

- Let the wishlist service accept both track_data and spotify_track_data
- Preserve the backward-compatible wrapper while avoiding the keyword argument crash
- Add a regression test for the alias path

core/wishlist/service.py

@@ -94,8 +94,9 @@ class WishlistService:
 
     def add_track_to_wishlist(
         self,
-        track_data: Dict[str, Any],
+        track_data: Dict[str, Any] = None,
-        failure_reason: str,
+        spotify_track_data: Dict[str, Any] = None,
+        failure_reason: str = "",
         source_type: str = "manual",
         source_context: Dict[str, Any] = None,
         profile_id: int = 1,
@@ -110,8 +111,15 @@ class WishlistService:
             source_context: Additional context information
             profile_id: Profile to add to
         """
+        if track_data is None:
+            track_data = spotify_track_data
+
+        if not track_data:
+            logger.error("No track data provided for wishlist add")
+            return False
+
         return self.database.add_to_wishlist(
-            spotify_track_data=track_data,
+            track_data=track_data,
             failure_reason=failure_reason,
             source_type=source_type,
             source_info=source_context or {},
@@ -120,15 +128,19 @@ class WishlistService:
 
     def add_spotify_track_to_wishlist(
         self,
-        spotify_track_data: Dict[str, Any],
+        spotify_track_data: Dict[str, Any] = None,
-        failure_reason: str,
+        track_data: Dict[str, Any] = None,
+        failure_reason: str = "",
         source_type: str = "manual",
         source_context: Dict[str, Any] = None,
         profile_id: int = 1,
     ) -> bool:
         """Backward-compatible wrapper for `add_track_to_wishlist`."""
+        if track_data is None:
+            track_data = spotify_track_data
+
         return self.add_track_to_wishlist(
-            track_data=spotify_track_data,
+            track_data=track_data,
             failure_reason=failure_reason,
             source_type=source_type,
             source_context=source_context,

tests/wishlist/test_service.py

@@ -88,6 +88,29 @@ def test_add_failed_track_from_modal_returns_false_when_no_spotify_track_found()
     assert fake_db.add_calls == []
 
 
+def test_add_spotify_track_to_wishlist_accepts_track_data_alias():
+    fake_db = _FakeWishlistDatabase()
+    service = _build_service(fake_db)
+
+    result = service.add_spotify_track_to_wishlist(
+        track_data={
+            "id": "sp-1",
+            "name": "Song One",
+            "artists": [{"name": "Artist One"}],
+            "album": {"name": "Album One"},
+        },
+        failure_reason="Download failed",
+        source_type="manual",
+        profile_id=2,
+    )
+
+    assert result is True
+    assert fake_db.add_calls[0]["track_data"]["id"] == "sp-1"
+    assert fake_db.add_calls[0]["failure_reason"] == "Download failed"
+    assert fake_db.add_calls[0]["source_type"] == "manual"
+    assert fake_db.add_calls[0]["profile_id"] == 2
+
+
 def test_get_wishlist_tracks_for_download_formats_modal_shape():
     fake_db = _FakeWishlistDatabase(
         tracks=[