From 39c048d06f4a3d4dbeeff9b34e765678af846231 Mon Sep 17 00:00:00 2001
From: Gordon Lam <73506701+yeelam-gordon@users.noreply.github.com>
Date: Thu, 13 Aug 2026 19:24:09 +0800
Subject: [PATCH] =?UTF-8?q?[Advanced=20Paste]=20Don't=20hardcode=20reasoni?=
 =?UTF-8?q?ng=5Feffort=3Dminimal=20for=20OpenAI=20p=E2=80=A6=20(#49840)?=
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…roviders

PR #46727 added `ReasoningEffort = "minimal"` to
OpenAIPromptExecutionSettings in
SemanticKernelPasteProvider.CreateExecutionSettings(). The value is not
user-configurable, so every OpenAI/Azure OpenAI request now fails on
models that don't accept 'minimal':

HTTP 400 (invalid_request_error: unsupported_value) Parameter:
reasoning_effort
Unsupported value: 'reasoning_effort' does not support 'minimal' with
this
  model. Supported values are: 'medium'.

This is the same class of regression PR #43766 previously fixed by
removing hardcoded Temperature/tuning properties. Remove the property so
the service default applies, and add a comment to prevent it being
reintroduced.

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 .../Services/CustomActions/SemanticKernelPasteProvider.cs     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/modules/AdvancedPaste/AdvancedPaste/Services/CustomActions/SemanticKernelPasteProvider.cs b/src/modules/AdvancedPaste/AdvancedPaste/Services/CustomActions/SemanticKernelPasteProvider.cs
index 90c8d58b1b..710aa07e66 100644
--- a/src/modules/AdvancedPaste/AdvancedPaste/Services/CustomActions/SemanticKernelPasteProvider.cs
+++ b/src/modules/AdvancedPaste/AdvancedPaste/Services/CustomActions/SemanticKernelPasteProvider.cs
@@ -172,10 +172,12 @@ namespace AdvancedPaste.Services.CustomActions
         {
             return _serviceType switch
             {
+                // Do not set model-specific tuning properties such as ReasoningEffort here: models
+                // accept different value sets (or reject the parameter outright) and any hardcoded
+                // value makes every request fail with HTTP 400 on models that don't support it.
                 AIServiceType.OpenAI or AIServiceType.AzureOpenAI => new OpenAIPromptExecutionSettings
                 {
                     FunctionChoiceBehavior = null,
-                    ReasoningEffort = "minimal",
                 },
                 _ => new PromptExecutionSettings(),
             };