feat: update dependencies and enhance chat functionality

- Added new Radix UI components including checkbox, label, popover, slider, switch, and tooltip to improve UI interactions.
- Integrated react-syntax-highlighter for better code rendering in chat messages.
- Updated package.json and pnpm-lock.yaml to include new dependencies and ensure compatibility.
- Enhanced chat input to support web search toggling, improving user experience during message composition.
- Implemented auto-saving of chat sessions and improved session management features.
- Refactored chat message rendering to clean up metadata and improve display quality.

components/chat/chat-message.tsx

@@ -28,7 +28,30 @@ export function ChatMessage({ message }: { message: Message }) {
             remarkPlugins={[remarkGfm]}
             components={markdownRenderers}
           >
-            {message.content}
+            {(() => {
+              let content = message.content || '';
+              // Remove metadata tags
+              content = content.replace(/<metadata>[\s\S]*?<\/metadata>/gi, '').trim();
+              
+              // Also remove common prefixes if they appear at the end
+              const prefixes = [
+                'Bloco oculto de metadados:',
+                'Metadata:',
+                'Metadados:',
+                'Hidden metadata block:',
+                'JSON metadata:',
+                '---'
+              ];
+              
+              for (const prefix of prefixes) {
+                const regex = new RegExp(`${prefix}\\s*$`, 'i');
+                if (regex.test(content)) {
+                  content = content.replace(regex, '').trim();
+                }
+              }
+              
+              return content || message.content;
+            })()}
           </ReactMarkdown>
         </div>
       </div>