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.

lib/metadata.ts

@@ -0,0 +1,23 @@
+const METADATA_BLOCK_REGEX = /<metadata>[\s\S]*?<\/metadata>/gi;
+const METADATA_TAIL_REGEX = /(metadados?|metadata|hidden metadata block|bloco oculto de metadados|json metadata)\s*:?\s*/gi;
+
+export function removeMetadataNoise(text: string): string {
+  if (!text) {
+    return '';
+  }
+
+  let cleaned = text.replace(METADATA_BLOCK_REGEX, '').trim();
+
+  // Remove any trailing sections that start with common metadata prefixes
+  cleaned = cleaned.replace(
+    /(metadados?|metadata|hidden metadata block|bloco oculto de metadados|json metadata)\s*:?\s*[\s\S]*$/gi,
+    '',
+  );
+
+  // Remove standalone prefixes that might appear inline
+  cleaned = cleaned.replace(METADATA_TAIL_REGEX, '');
+
+  return cleaned.trim();
+}
+
+