optimizations, see ui direct chat, fixes

package.json

@@ -22,9 +22,11 @@
     "@testing-library/jest-dom": "^6.4.6",
     "@testing-library/user-event": "^14.5.2",
     "@tiptap/extension-color": "^2.5.9",
+    "@tiptap/extension-highlight": "^2.6.6",
     "@tiptap/extension-image": "^2.6.6",
     "@tiptap/extension-placeholder": "^2.6.2",
     "@tiptap/extension-text-style": "^2.5.9",
+    "@tiptap/extension-underline": "^2.6.6",
     "@tiptap/pm": "^2.5.9",
     "@tiptap/react": "^2.5.9",
     "@tiptap/starter-kit": "^2.5.9",