From 0df6aba990ffd6eb42a14295249fefed1ac7adb5 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Wed, 17 Sep 2025 22:59:56 +0300
Subject: chore: commit uncommitted changes before version bump

---
 internal/llm/openai.go | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'internal/llm/openai.go')

diff --git a/internal/llm/openai.go b/internal/llm/openai.go
index 8b00335..8a0d6d7 100644
--- a/internal/llm/openai.go
+++ b/internal/llm/openai.go
@@ -218,6 +218,14 @@ func buildOAChatRequest(o Options, messages []Message, defaultTemp *float64, str
 	if len(o.Stop) > 0 {
 		req.Stop = o.Stop
 	}
+	// Enforce gpt-5 temperature constraints: only default (1.0) is supported.
+	if requiresMaxCompletionTokens(o.Model) {
+		if req.Temperature == nil || *req.Temperature != 1.0 {
+			t := 1.0
+			req.Temperature = &t
+			logging.Logf("llm/openai ", "forcing temperature=1.0 for model=%s (gpt-5 constraint)", o.Model)
+		}
+	}
 	return req
 }
 
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