agent fix

services/assistantLive_test.go

@@ -41,14 +41,25 @@ import (
 func liveChat(t *testing.T) (utils.Chat, string) {
 	t.Helper()
 
+	// Provider defaults exactly as production does, so this exercises the
+	// defaulting rather than working around it. The first version read the
+	// variable straight and skipped silently the moment `ASSISTANT_PROVIDER`
+	// was left unset — which is precisely the configuration this is meant to
+	// prove works.
+	provider := strings.ToLower(strings.TrimSpace(os.Getenv("ASSISTANT_PROVIDER")))
+	model := os.Getenv("ASSISTANT_MODEL")
+	if provider == "" && strings.TrimSpace(model) != "" {
+		provider = "openai"
+	}
+
 	cfg := config.AssistantConfig{
-		Provider: strings.ToLower(strings.TrimSpace(os.Getenv("ASSISTANT_PROVIDER"))),
+		Provider: provider,
 		BaseURL:  os.Getenv("ASSISTANT_BASE_URL"),
 		APIKey:   os.Getenv("ASSISTANT_API_KEY"),
-		Balanced: os.Getenv("ASSISTANT_MODEL"),
+		Balanced: model,
 	}
-	if cfg.APIKey == "" || !cfg.Enabled() {
-		t.Skip("no ASSISTANT_* provider configured; skipping the live model test")
+	if !cfg.Enabled() {
+		t.Skipf("no model configured, skipping the live test: %s", cfg.Why())
 	}
 
 	chat, err := utils.NewChat(cfg)