Require name-first extension preflight smoke

scripts/verify_1c_adapter_deployment.ps1

@@ -206,7 +206,7 @@ function Assert-WritePreflightReport {
     if ($report.failures -and $report.failures.Count -gt 0) {
         throw "$Label report contains failures: $Path"
     }
-    foreach ($check in @("method_exposed", "effective_path_preflight", "concrete_saved_state_preflight")) {
+    foreach ($check in @("method_exposed", "effective_path_preflight", "concrete_saved_state_preflight", "name_first_extension_form_preflight")) {
         if ($report.checks.PSObject.Properties.Name -notcontains $check) {
             throw "$Label report is missing check '$check': $Path"
         }
@@ -486,6 +486,9 @@ try {
                     "--report",
                     $writePreflightReport
                 )
+                if ($RequireSelectorChainWritePlanComposition) {
+                    $writePreflightCommand += "--require-name-first-extension-form"
+                }
                 Invoke-CheckedCommand -Label "REST adapter write-preflight smoke ($currentBaseId)" -Command $writePreflightCommand
                 Assert-WritePreflightReport -Label "REST adapter write-preflight smoke ($currentBaseId)" -Path $writePreflightReport
             }
@@ -782,6 +785,9 @@ try {
                     "--report",
                     $mcpWritePreflightReport
                 )
+                if ($RequireSelectorChainWritePlanComposition) {
+                    $mcpWritePreflightCommand += "--require-name-first-extension-form"
+                }
                 Invoke-CheckedCommand -Label "MCP proxy write-preflight smoke ($currentBaseId)" -Command $mcpWritePreflightCommand
                 Assert-WritePreflightReport -Label "MCP proxy write-preflight smoke ($currentBaseId)" -Path $mcpWritePreflightReport
             }