From 1a8edbe0d6687b90750d1700d711febb71400fac Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 26 Jun 2026 08:09:03 +0000
Subject: [PATCH 1/2] Initial plan


From 4467e790ad121c834fcec93a1b42c0731a9e086e Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 26 Jun 2026 08:11:48 +0000
Subject: [PATCH 2/2] Mark stored procedure params without defaults as required
 in OpenAPI

---
 src/Core/Services/OpenAPI/OpenApiDocumentor.cs             | 5 ++++-
 .../OpenApiDocumentor/StoredProcedureGeneration.cs         | 7 +++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/Core/Services/OpenAPI/OpenApiDocumentor.cs b/src/Core/Services/OpenAPI/OpenApiDocumentor.cs
index 979da52eb6..3a3f2de7ca 100644
--- a/src/Core/Services/OpenAPI/OpenApiDocumentor.cs
+++ b/src/Core/Services/OpenAPI/OpenApiDocumentor.cs
@@ -1422,7 +1422,10 @@ private static OpenApiSchema CreateSpRequestComponentSchema(Dictionary<string, P
                     Default = def.Default is not null ? new OpenApiString(def.Default) : null
                 });
 
-                if (def.Required == true)
+                // A parameter is required when it is explicitly marked required in the runtime config,
+                // or when no default value is available, in which case a value must be provided in the
+                // request body. This mirrors the logic used by IsRequestBodyRequired.
+                if (def.Required ?? !def.HasConfigDefault)
                 {
                     required.Add(parameter);
                 }
diff --git a/src/Service.Tests/OpenApiDocumentor/StoredProcedureGeneration.cs b/src/Service.Tests/OpenApiDocumentor/StoredProcedureGeneration.cs
index c22ddddc2c..a2655d7dcb 100644
--- a/src/Service.Tests/OpenApiDocumentor/StoredProcedureGeneration.cs
+++ b/src/Service.Tests/OpenApiDocumentor/StoredProcedureGeneration.cs
@@ -101,6 +101,13 @@ public void ValidateRequestBodyContents(string entityName, string[] expectedPara
                 string expectedSchemaReferenceId = $"{entityName}{OpenApiDocumentor.SP_REQUEST_SUFFIX}";
 
                 ValidateOpenApiReferenceContents(schemaComponentReference, expectedSchemaReferenceId, expectedParameters, expectedParametersJsonTypes);
+
+                // Validate that parameters without a default value are marked as required in the schema component.
+                ISet<string> requiredParameters = _openApiDocument.Components.Schemas[expectedSchemaReferenceId].Required;
+                CollectionAssert.AreEquivalent(
+                    expectedParameters,
+                    requiredParameters.ToArray(),
+                    message: "Unexpected required parameters in request body schema component.");
             }
         }