Show custom OpenAI/Anthropic-compatible providers in onboarding and settings

AgentCompany-New/src/main/services/onboarding-service.ts

@@ -85,7 +85,7 @@ export class OnboardingService {
   private resolveProvider(providerKey: string) {
     const provider = PROVIDER_CATALOG.find((entry) => entry.key === providerKey);
     if (!provider) throw new Error(`Provider ${providerKey} is unavailable.`);
-    if (provider.authType === PROVIDER_AUTH_TYPE.CLOUD) {
+    if (provider.authType === PROVIDER_AUTH_TYPE.CLOUD && !provider.customEndpoint) {
       throw new Error("Cloud providers need extended configuration — connect them from Settings after the company is created.");
     }
     return provider;