feat(runtime): 适配推理模式开关

apps/api/internal/runner/service.go

@@ -1295,6 +1295,9 @@ func validateRequest(kind string, body map[string]any) error {
 		if body["messages"] == nil {
 			return errors.New("messages is required")
 		}
+		if err := clients.ValidateOpenAIReasoningEffort(body["reasoning_effort"]); err != nil {
+			return err
+		}
 	case "responses":
 		if body["input"] == nil && body["messages"] == nil {
 			return errors.New("input or messages is required")

apps/api/internal/runner/service_test.go

@@ -2,6 +2,7 @@ package runner
 
 import (
 	"context"
+	"strings"
 	"testing"
 
 	"github.com/easyai/easyai-ai-gateway/apps/api/internal/clients"
@@ -14,6 +15,37 @@ func (namedClient) Run(context.Context, clients.Request) (clients.Response, erro
 	return clients.Response{}, nil
 }
 
+func TestValidateRequestAcceptsOpenAIReasoningEffort(t *testing.T) {
+	for _, effort := range []string{"none", "minimal", "low", "medium", "high", "xhigh"} {
+		t.Run(effort, func(t *testing.T) {
+			err := validateRequest("chat.completions", map[string]any{
+				"messages":         []any{map[string]any{"role": "user", "content": "ping"}},
+				"reasoning_effort": effort,
+			})
+			if err != nil {
+				t.Fatalf("expected %s to be accepted: %v", effort, err)
+			}
+		})
+	}
+}
+
+func TestValidateRequestRejectsNonOpenAIReasoningEffort(t *testing.T) {
+	for _, effort := range []string{"max", "auto"} {
+		t.Run(effort, func(t *testing.T) {
+			err := validateRequest("chat.completions", map[string]any{
+				"messages":         []any{map[string]any{"role": "user", "content": "ping"}},
+				"reasoning_effort": effort,
+			})
+			if err == nil {
+				t.Fatalf("expected %s to be rejected", effort)
+			}
+			if clients.ErrorCode(err) != "invalid_parameter" || !strings.Contains(err.Error(), clients.OpenAIReasoningEffortValidationMessage) {
+				t.Fatalf("unexpected validation error for %s: %T %v", effort, err, err)
+			}
+		})
+	}
+}
+
 func TestClientForMapsGoogleGeminiSpecToGeminiClient(t *testing.T) {
 	service := &Service{clients: map[string]clients.Client{
 		"gemini": namedClient("gemini"),