Add 18 more community AL/BC patterns across appsource, data-modeling, error-handling, security, style, testing, ui, upgrade, and web-services

Second contribution from CURABIS ApS, generalized from patterns observed across real AppSource/PTE development. Cross-checked against the current microsoft/knowledge corpus before opening; several originally-drafted candidates were dropped as duplicates of existing files.

microsoft/knowledge/testing/bcpt-scenarios-must-be-app-specific.bad.al

@@ -0,0 +1,29 @@
+// Only wraps Microsoft's own generic scenario — measures BC, not this extension
+codeunit 50101 "BCPT Create Sales Order" implements "BCPT Test Param. Provider"
+{
+    SingleInstance = true;
+
+    trigger OnRun()
+    begin
+        CreateStandardSalesOrder(GlobalBCPTTestContext);
+    end;
+
+    var
+        GlobalBCPTTestContext: Codeunit "BCPT Test Context";
+
+    local procedure CreateStandardSalesOrder(var BCPTTestContext: Codeunit "BCPT Test Context")
+    begin
+        BCPTTestContext.StartScenario('Create Sales Order With N Lines');
+        // ... standard sales order creation, no reference to the extension's own logic
+        BCPTTestContext.EndScenario('Create Sales Order With N Lines');
+    end;
+
+    procedure GetDefaultParameters(): Text[1000]
+    begin
+        exit('');
+    end;
+
+    procedure ValidateParameters(Parameters: Text[1000])
+    begin
+    end;
+}