Initial commit: Hedena Gold monorepo.

First commit of the Hedena Gold product (separate from gold-bank): branding, package names, and deploy defaults aligned to the new brand; legacy Henza trees stay local-only via .gitignore.

apps/api/src/modules/iam/iam.module.ts

@@ -0,0 +1,19 @@
+import { Global, Module } from '@nestjs/common';
+import { IamController } from './iam.controller';
+import { IamLogoutService } from './iam-logout.service';
+import { IamService } from './iam.service';
+
+/**
+ * Central IAM integration.
+ *
+ * Global so any module can delegate credential checks without wiring imports;
+ * the service itself is inert until `IAM_ENABLED=true`, so importing it costs
+ * nothing in a deployment that does not use the identity service.
+ */
+@Global()
+@Module({
+  controllers: [IamController],
+  providers: [IamService, IamLogoutService],
+  exports: [IamService, IamLogoutService],
+})
+export class IamModule {}