Fix Windows RDP collectors startup

windows/file-operations-collector.ps1

@@ -64,13 +64,37 @@ function Ensure-Bucket {
         [string]$ClientName,
         [string]$BucketType
     )
-    if ($script:KnownBuckets.ContainsKey($BucketId)) { return }
+
+    if ($script:KnownBuckets.ContainsKey($BucketId)) {
+        return
+    }
+
+    try {
+        Invoke-RestMethod -Method Get -Uri "$($script:ApiBase)/buckets/$BucketId" | Out-Null
+        $script:KnownBuckets[$BucketId] = $true
+        return
+    }
+    catch {
+    }
+
     $body = @{
         client   = $ClientName
         type     = $BucketType
         hostname = $script:Hostname
     } | ConvertTo-Json -Compress
-    Invoke-AwJsonPost -Uri "$($script:ApiBase)/buckets/$BucketId" -Json $body
+
+    try {
+        Invoke-AwJsonPost -Uri "$($script:ApiBase)/buckets/$BucketId" -Json $body
+    }
+    catch {
+        try {
+            Invoke-RestMethod -Method Get -Uri "$($script:ApiBase)/buckets/$BucketId" | Out-Null
+        }
+        catch {
+            Write-FileCollectorLog "Bucket create/check failed for ${BucketId}: $($_.Exception.Message)"
+            throw
+        }
+    }
     $script:KnownBuckets[$BucketId] = $true
 }