feat(fake-llm-server): add initial setup for fake LLM server with TypeScript and Express

- Created package.json for dependencies and scripts
- Added tsconfig.json for TypeScript configuration
- Implemented fake stdio MCP server with basic calculator and environment variable printing tools
- Added shell script to run the fake stdio MCP server
- Updated root tsconfig.json for project references and path mapping

backups/backup-20251218-161645/src/components/AutoApproveSwitch.tsx

@@ -0,0 +1,27 @@
+import { useSettings } from "@/hooks/useSettings";
+import { Label } from "@/components/ui/label";
+import { Switch } from "@/components/ui/switch";
+import { showInfo } from "@/lib/toast";
+
+export function AutoApproveSwitch({
+  showToast = true,
+}: {
+  showToast?: boolean;
+}) {
+  const { settings, updateSettings } = useSettings();
+  return (
+    <div className="flex items-center space-x-2">
+      <Switch
+        id="auto-approve"
+        checked={settings?.autoApproveChanges}
+        onCheckedChange={() => {
+          updateSettings({ autoApproveChanges: !settings?.autoApproveChanges });
+          if (!settings?.autoApproveChanges && showToast) {
+            showInfo("You can disable auto-approve in the Settings.");
+          }
+        }}
+      />
+      <Label htmlFor="auto-approve">Auto-approve</Label>
+    </div>
+  );
+}