feat: render LSP tool output in chat

Adds expandable LSP tool rows with scan icon and stable file path display
Adds formatted/raw JSON output toggle and copy action
Improves compact LSP input formatting

packages/ui/src/components/chat/message/parts/toolPresentation.tsx

@@ -56,6 +56,9 @@ export const getToolIcon = (toolName: string) => {
     if (tool === 'question') {
         return <Icon name="survey" className={iconClass} />;
     }
+    if (tool === 'lsp') {
+        return <Icon name="scan-2" className={iconClass} />;
+    }
     if (tool === 'plan_enter') {
         return <Icon name="file-list-2" className={iconClass} />;
     }