chore: commit uncommitted changes before version bump

2 files changed, 18 insertions, 0 deletions

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
 }
 
diff --git a/internal/llm/openai_request_test.go b/internal/llm/openai_request_test.go
index f9925f9..001e3b7 100644
--- a/internal/llm/openai_request_test.go
+++ b/internal/llm/openai_request_test.go
@@ -22,6 +22,16 @@ func TestBuildOAChatRequest_MaxTokensKeyByModel(t *testing.T) {
 	}
 }
 
+func TestBuildOAChatRequest_TemperatureForcedForGpt5(t *testing.T) {
+	msgs := []Message{{Role: "user", Content: "hi"}}
+	// Explicit temp 0.2 → should be forced to 1.0 for gpt-5
+	r := buildOAChatRequest(Options{Model: "gpt-5.0", Temperature: 0.2, MaxTokens: 50}, msgs, nil, false)
+	b, _ := json.Marshal(r)
+	if !contains(string(b), "\"temperature\":1") {
+		t.Fatalf("expected forced temperature 1.0 for gpt-5, got %s", string(b))
+	}
+}
+
 func contains(s, sub string) bool {
 	for i := 0; i+len(sub) <= len(s); i++ {
 		if s[i:i+len(sub)] == sub {