Update samy.ps1

samy.ps1

@@ -1006,12 +1006,26 @@ function Get-UIHtml {
           [Parameter(Mandatory = $true)][object] $Context,
           [Parameter(Mandatory = $true)][string] $Html
       )
+
       if (-not $Context -or -not $Context.Response) {
           return
       }
+    
+      # --- Prevent caching (Edge app-mode loves to be "helpful") ---
+      try {
+          $Context.Response.Headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+          $Context.Response.Headers["Pragma"]        = "no-cache"
+          $Context.Response.Headers["Expires"]       = "0"
+      } catch {
+            # HttpListenerResponse headers can throw in rare cases; ignore
+      }
+
       $bytes = [Text.Encoding]::UTF8.GetBytes($Html)
-      $Context.Response.ContentType     = 'text/html'
+
+      # Include charset
+      $Context.Response.ContentType     = "text/html; charset=utf-8"
       $Context.Response.ContentLength64 = $bytes.Length
+
       $Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
       $Context.Response.OutputStream.Close()
   }
@@ -1027,16 +1041,17 @@ function Send-JSON {
         return
     }
 
+    $json = $null
+
     try {
-        # 🔹 Normalize $Object so we never feed $null to GetBytes
+        # Normalize output so GetBytes never sees $null
         if ($null -eq $Object) {
             Write-LogHybrid "Send-JSON called with `$null object; returning empty JSON array." Warning Printers -LogToEvent
             $json = '[]'
         }
         else {
-            # If ConvertTo-Json fails, force an empty array string instead of bubbling $null
             try {
-                $json = $Object | ConvertTo-Json -Depth 5 -ErrorAction Stop
+                $json = $Object | ConvertTo-Json -Depth 8 -ErrorAction Stop
             }
             catch {
                 Write-LogHybrid "Send-JSON serialization failed: $($_.Exception.Message); returning empty JSON array." Error Printers -LogToEvent
@@ -1044,31 +1059,48 @@ function Send-JSON {
             }
         }
 
-        # 🔹 Final safety: ensure we always pass a *string* to GetBytes
         $json = [string]$json
 
+        # ---- No-cache headers (prevents stale UI data) ----
+        try {
+            $Context.Response.Headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+            $Context.Response.Headers["Pragma"]        = "no-cache"
+            $Context.Response.Headers["Expires"]       = "0"
+        } catch { }
+
         $bytes = [Text.Encoding]::UTF8.GetBytes($json)
-        $Context.Response.ContentType     = 'application/json'
+
+        $Context.Response.ContentType     = "application/json; charset=utf-8"
         $Context.Response.ContentLength64 = $bytes.Length
         $Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
-        $Context.Response.OutputStream.Close()
     }
     catch {
-        # Last-resort error handling - don't let the whole request crash
         Write-LogHybrid "Send-JSON fatal error: $($_.Exception.Message)" Error Printers -LogToEvent
+
+        # Best-effort fallback response
         try {
             $fallback = '[]'
             $bytes = [Text.Encoding]::UTF8.GetBytes($fallback)
-            $Context.Response.ContentType     = 'application/json'
+
+            try {
+                $Context.Response.Headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+                $Context.Response.Headers["Pragma"]        = "no-cache"
+                $Context.Response.Headers["Expires"]       = "0"
+            } catch { }
+
+            $Context.Response.ContentType     = "application/json; charset=utf-8"
             $Context.Response.ContentLength64 = $bytes.Length
             $Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
-            $Context.Response.OutputStream.Close()
         }
         catch {
-            # If even this fails, just give up silently - we've already logged it.
+            # swallow: nothing else we can do safely here
         }
     }
+    finally {
+        try { $Context.Response.OutputStream.Close() } catch { }
     }
+}
+
 
   #endregion HTTP responder helpers