Persist chat history

lib/music_library_web/live/artist_live/show.ex

@@ -494,6 +494,8 @@ defmodule MusicLibraryWeb.ArtistLive.Show do
         sheet_id="artist-chat-sheet"
         module={MusicLibraryWeb.Components.Chat}
         title={@artist.name}
+        entity={:artist}
+        musicbrainz_id={@artist.musicbrainz_id}
         chat_module={MusicLibrary.ArtistChat}
         chat_context={{@artist, @artist_info}}
         placeholder={gettext("Ask about this artist...")}

lib/music_library_web/live/collection_live/show.ex

@@ -306,6 +306,8 @@ defmodule MusicLibraryWeb.CollectionLive.Show do
         sheet_id="record-chat-sheet"
         module={MusicLibraryWeb.Components.Chat}
         title={@record.title}
+        entity={:record}
+        musicbrainz_id={@record.musicbrainz_id}
         chat_module={MusicLibrary.RecordChat}
         chat_context={{@record, @embedding_text}}
         placeholder={gettext("Ask about this album...")}

lib/music_library_web/live/wishlist_live/show.ex

@@ -251,6 +251,8 @@ defmodule MusicLibraryWeb.WishlistLive.Show do
         sheet_id="record-chat-sheet"
         module={MusicLibraryWeb.Components.Chat}
         title={@record.title}
+        entity={:record}
+        musicbrainz_id={@record.musicbrainz_id}
         chat_module={MusicLibrary.RecordChat}
         chat_context={{@record, @embedding_text}}
         placeholder={gettext("Ask about this album...")}