reduce cache to only what is actually used

Author: donmerendolo

exportify-cli.py

@@ -407,7 +407,14 @@ def export_playlist(self, playlist: dict, output_dir: Path) -> None:
             )
             for alb in new_albums:
                 if alb and alb.get("id"):
-                    self.album_cache[alb["id"]] = alb
+                    self.album_cache[alb["id"]] = {
+                        "id": alb.get("id"),
+                        "uri": alb.get("uri"),
+                        "name": alb.get("name"),
+                        "release_date": alb.get("release_date"),
+                        "label": alb.get("label"),
+                        "external_ids": alb.get("external_ids", {}),
+                    }
 
         # Build a lookup from cache
         albums = {aid: self.album_cache[aid] for aid in album_ids}