feat: add domestic model provider presets

internal/contentmodel/service.go

@@ -362,7 +362,7 @@ func normalizeInput(input *CreateInput) {
 
 func validateInput(input CreateInput) error {
 	parsed, err := url.Parse(input.BaseURL)
-	validProvider := input.Provider == "ark" || input.Provider == "openai_compatible"
+	validProvider := extraction.SupportsCompatibleProvider(input.Provider)
 	validURL := err == nil && parsed.Host != "" && (parsed.Scheme == "https" || (parsed.Scheme == "http" && isApprovedLocalModelHost(parsed.Hostname())))
 	if !validUUID(input.TenantID) || len([]rune(input.DisplayName)) < 1 || len([]rune(input.DisplayName)) > 120 || !validProvider || !validURL || input.ModelID == "" || len(input.APIKey) < 8 || input.Temperature < 0 || input.Temperature > 2 || input.MaxTokens < 256 || input.MaxTokens > 8192 {
 		return ErrInvalid

internal/contentmodel/service_test.go

@@ -2,6 +2,33 @@ package contentmodel
 
 import "testing"
 
+func TestValidateInputAcceptsSupportedDomesticProviders(t *testing.T) {
+	providers := []string{"ark", "dashscope", "deepseek", "moonshot", "zhipu", "qianfan", "hunyuan", "minimax", "baichuan", "siliconflow"}
+	for _, provider := range providers {
+		t.Run(provider, func(t *testing.T) {
+			input := CreateInput{
+				TenantID: "10000000-0000-0000-0000-000000000001", DisplayName: provider,
+				Provider: provider, BaseURL: "https://model.example.com/v1", ModelID: "summary-model",
+				APIKey: "test-api-key", Temperature: 0.2, MaxTokens: 1200,
+			}
+			if err := validateInput(input); err != nil {
+				t.Fatalf("supported provider was rejected: %v", err)
+			}
+		})
+	}
+}
+
+func TestValidateInputRejectsUnknownProvider(t *testing.T) {
+	input := CreateInput{
+		TenantID: "10000000-0000-0000-0000-000000000001", DisplayName: "unknown",
+		Provider: "unknown", BaseURL: "https://model.example.com/v1", ModelID: "summary-model",
+		APIKey: "test-api-key", Temperature: 0.2, MaxTokens: 1200,
+	}
+	if err := validateInput(input); err == nil {
+		t.Fatal("unknown provider was accepted")
+	}
+}
+
 func TestValidateInputAllowsComposeOllamaEndpoint(t *testing.T) {
 	input := CreateInput{
 		TenantID: "10000000-0000-0000-0000-000000000001", DisplayName: "本地 Qwen",