feat: GPT 隐私模式 + no-train 前端展示优化

backend/cmd/server/wire.go

@@ -41,6 +41,9 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 		// Server layer ProviderSet
 		server.ProviderSet,
 
+		// Privacy client factory for OpenAI training opt-out
+		providePrivacyClientFactory,
+
 		// BuildInfo provider
 		provideServiceBuildInfo,
 
@@ -53,6 +56,10 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	return nil, nil
 }
 
+func providePrivacyClientFactory() service.PrivacyClientFactory {
+	return repository.CreatePrivacyReqClient
+}
+
 func provideServiceBuildInfo(buildInfo handler.BuildInfo) service.BuildInfo {
 	return service.BuildInfo{
 		Version:   buildInfo.Version,