feat: add element inspector with chat integration

- Implement element inspector tool for preview iframe with hover/click detection
- Add inspector panel UI to display element details and styles
- Integrate selected elements into chat messages for reference
- Style improvements for chat messages and scroll behavior
- Add inspector script injection to preview iframe
- Support element selection and context in chat prompts
-Redesign Messgaes, Workbench and Header for a more refined look allowing more workspace in view

app/components/chat/UserMessage.tsx

@@ -4,6 +4,8 @@
  */
 import { MODEL_REGEX, PROVIDER_REGEX } from '~/utils/constants';
 import { Markdown } from './Markdown';
+import { useStore } from '@nanostores/react';
+import { profileStore } from '~/lib/stores/profile';
 
 interface UserMessageProps {
   content: string | Array<{ type: string; text?: string; image?: string }>;
@@ -14,10 +16,29 @@ export function UserMessage({ content }: UserMessageProps) {
     const textItem = content.find((item) => item.type === 'text');
     const textContent = stripMetadata(textItem?.text || '');
     const images = content.filter((item) => item.type === 'image' && item.image);
+    const profile = useStore(profileStore);
 
     return (
-      <div className="overflow-hidden flex items-center">
-        <div className="flex flex-col gap-4">
+      <div className="overflow-hidden flex flex-col gap-3 items-center ">
+        <div className="flex flex-row items-start justify-center overflow-hidden shrink-0 self-start">
+          {profile?.avatar || profile?.username ? (
+            <div className="flex items-end gap-2">
+              <img
+                src={profile.avatar}
+                alt={profile?.username || 'User'}
+                className="w-[25px] h-[25px] object-cover rounded-full"
+                loading="eager"
+                decoding="sync"
+              />
+              <span className="text-bolt-elements-textPrimary text-sm">
+                {profile?.username ? profile.username : ''}
+              </span>
+            </div>
+          ) : (
+            <div className="i-ph:user-fill text-2xl" />
+          )}
+        </div>
+        <div className="flex flex-col gap-4 bg-accent-500/10 backdrop-blur-sm p-3 py-3 w-auto rounded-lg mr-auto">
           {textContent && <Markdown html>{textContent}</Markdown>}
           {images.map((item, index) => (
             <img