feat(chat): enhance chat functionality with song integration and UI improvements

- Updated ChatHeader and ChatMessage components to support song selection and display.
- Enhanced useContentPanel to handle both film and song content, allowing for richer interactions.
- Improved FilmCard and added SongCard components for better media representation.
- Refactored environment variables for better configuration management.
- Updated .gitignore to include development chat history.

Made-with: Cursor

packages/app/dev-dist/sw.js

@@ -82,7 +82,7 @@ define(['./workbox-cf23aef7'], (function (workbox) { 'use strict';
     "revision": "3ca0b8505b4bec776b69afdba2768812"
   }, {
     "url": "index.html",
-    "revision": "0.5aiuhiql2u"
+    "revision": "0.7fp7mese2fg"
   }], {});
   workbox.cleanupOutdatedCaches();
   workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {