feat: Require UUID token authorization for /shutdown endpoint

deploy.ps1

@@ -1,6 +1,11 @@
 try {
     Write-Host "Gracefully shutting down server..."
-    Invoke-RestMethod -Method Post -Uri "http://127.0.0.1:3000/shutdown" -ErrorAction SilentlyContinue
+    $tokenPath = "C:\Users\reazul.ashraf\.gemini\mcp_memory\admin.token"
+    $headers = @{}
+    if (Test-Path $tokenPath) {
+        $headers["Authorization"] = "Bearer $(Get-Content -Path $tokenPath -Raw)".Trim()
+    }
+    Invoke-RestMethod -Method Post -Uri "http://127.0.0.1:3000/shutdown" -Headers $headers -ErrorAction SilentlyContinue | Out-Null
     Start-Sleep -Seconds 2
 } catch {
     Write-Host "Server might already be down or unreachable."