fix: show public endpoint instead of internal Docker URL in tenant settings

Closes #51

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/main/java/net/siegeln/cameleer/saas/portal/TenantPortalService.java

@@ -5,6 +5,7 @@ import net.siegeln.cameleer.saas.identity.LogtoManagementClient;
 import net.siegeln.cameleer.saas.identity.ServerApiClient;
 import net.siegeln.cameleer.saas.license.LicenseEntity;
 import net.siegeln.cameleer.saas.license.LicenseService;
+import net.siegeln.cameleer.saas.provisioning.ProvisioningProperties;
 import net.siegeln.cameleer.saas.provisioning.TenantProvisioner;
 import net.siegeln.cameleer.saas.tenant.TenantEntity;
 import net.siegeln.cameleer.saas.tenant.TenantService;
@@ -24,17 +25,20 @@ public class TenantPortalService {
     private final ServerApiClient serverApiClient;
     private final LogtoManagementClient logtoClient;
     private final TenantProvisioner tenantProvisioner;
+    private final ProvisioningProperties provisioningProps;
 
     public TenantPortalService(TenantService tenantService,
                                LicenseService licenseService,
                                ServerApiClient serverApiClient,
                                LogtoManagementClient logtoClient,
-                               TenantProvisioner tenantProvisioner) {
+                               TenantProvisioner tenantProvisioner,
+                               ProvisioningProperties provisioningProps) {
         this.tenantService = tenantService;
         this.licenseService = licenseService;
         this.serverApiClient = serverApiClient;
         this.logtoClient = logtoClient;
         this.tenantProvisioner = tenantProvisioner;
+        this.provisioningProps = provisioningProps;
     }
 
     // --- Inner records ---
@@ -158,10 +162,12 @@ public class TenantPortalService {
 
     public TenantSettingsData getSettings() {
         TenantEntity tenant = resolveTenant();
+        String publicEndpoint = provisioningProps.publicProtocol() + "://"
+                + provisioningProps.publicHost() + "/t/" + tenant.getSlug() + "/";
         return new TenantSettingsData(
                 tenant.getName(), tenant.getSlug(),
                 tenant.getTier().name(), tenant.getStatus().name(),
-                tenant.getServerEndpoint(), tenant.getCreatedAt()
+                publicEndpoint, tenant.getCreatedAt()
         );
     }