fix(historian): correct AlarmHistorian config-key refs in docs + install (review)

scripts/install/Install-Services.ps1

@@ -84,7 +84,7 @@ param(
     [int]$HttpPort = 9000,
 
     # Wonderware historian sidecar. Optional; gates the OtOpcUaWonderwareHistorian
-    # service. Secret defaults match the server's Historian:Wonderware appsettings.
+    # service. Secret defaults match the server's AlarmHistorian appsettings.
     [switch]$InstallWonderwareHistorian,
     [string]$HistorianSharedSecret,
     [string]$HistorianServer = 'localhost',
@@ -221,7 +221,7 @@ if ($InstallWonderwareHistorian) { Write-Host "  sc.exe start OtOpcUaWonderwareH
 Write-Host "  sc.exe start OtOpcUaHost"
 if ($InstallWonderwareHistorian) {
     Write-Host ""
-    Write-Host "Wonderware historian shared secret (configure into appsettings.json Historian:Wonderware:SharedSecret):"
+    Write-Host "Wonderware historian shared secret (configure into appsettings.json AlarmHistorian:SharedSecret):"
     Write-Host "  $HistorianSharedSecret"
 }
 Write-Host ""

scripts/install/Refresh-Services.ps1

@@ -147,7 +147,7 @@ if (-not $WhatIf) {
 
     if ($missing.Count -gt 0) {
         $msg = "Wonderware historian sidecar deploy at '$sidecarDir' is INCOMPLETE — missing: " +
-               "$($missing -join ', '). It would crash-loop with a FileNotFoundException in PipeServer. " +
+               "$($missing -join ', '). It would crash-loop with a FileNotFoundException in TcpFrameServer. " +
                "Re-run the sidecar 'dotnet publish' into that folder (Step 4) — never hand-copy a partial build output."
         throw $msg
     }