feat(gateway,cli): agent enrollment command family (M4-4b) (#1483)

Co-authored-by: fred <[email protected]>

apps/gateway/src/enrollment/enrollment.module.ts

@@ -0,0 +1,22 @@
+import { Module } from '@nestjs/common';
+import { HarnessModule } from '../harness/harness.module.js';
+import { EnrollmentController } from './enrollment.controller.js';
+import { EnrollmentRepository } from './enrollment.repository.js';
+import { EnrollmentService } from './enrollment.service.js';
+
+/**
+ * Agent enrollment command family (M4-4b; design
+ * docs/plans/2026-08-29-agent-enrollment-command-design.md). Imports
+ * HarnessModule for the live harness registry — the validation source for
+ * the `harness` field (a well-formed name the registry does not know is a
+ * precondition failure). EnrollmentRepository is the family's sole writer;
+ * every mutation runs fence-check → mutate → audit + outbox in one
+ * transaction.
+ */
+@Module({
+  imports: [HarnessModule],
+  controllers: [EnrollmentController],
+  providers: [EnrollmentRepository, EnrollmentService],
+  exports: [EnrollmentRepository],
+})
+export class EnrollmentModule {}