fix(agents): show only explicitly delivered chat files

package.json

@@ -173,6 +173,7 @@
         "i18next": "^25.8.11",
         "jsdom": "^28.1.0",
         "lucide-react": "^0.563.0",
+        "mdast-util-from-markdown": "2.0.3",
         "mpg123-decoder": "^1.0.3",
         "opusscript": "^0.1.1",
         "playwright-core": "1.59.1",