test(f5): make runtime DI regression test metadata-stable

api-v3/test/unit/f5-runtime-di-contract.test.ts

@@ -1,20 +1,31 @@
 import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
 import test from 'node:test';
 import { MODULE_METADATA } from '@nestjs/common/constants';
 import { AssetMasterModule } from '../../src/asset-master/asset-master.module';
 import { InventoryFunctionService } from '../../src/asset-master/inventory-function.service';
-import { MergedInventoryDossierService } from '../../src/asset-master/merged-inventory-dossier.service';
 
-test('F5 AssetMasterModule keeps dossier-only function dependency injectable', () => {
+test('F5 AssetMasterModule keeps dossier-only function dependency injectable without reopening its controller', () => {
   const providers = (Reflect.getMetadata(MODULE_METADATA.PROVIDERS, AssetMasterModule) ?? []) as unknown[];
-  const dossierDependencies = (Reflect.getMetadata('design:paramtypes', MergedInventoryDossierService) ?? []) as unknown[];
+  const controllers = (Reflect.getMetadata(MODULE_METADATA.CONTROLLERS, AssetMasterModule) ?? []) as Array<{ name?: string }>;
+  const dossierSource = readFileSync(
+    resolve(process.cwd(), 'src/asset-master/merged-inventory-dossier.service.ts'),
+    'utf8',
+  );
 
-  assert.ok(
-    dossierDependencies.includes(InventoryFunctionService),
-    'MergedInventoryDossierService must still declare InventoryFunctionService for historical dossier data',
+  assert.match(
+    dossierSource,
+    /private readonly functions: InventoryFunctionService/,
+    'MergedInventoryDossierService must still depend on InventoryFunctionService for historical dossier data',
   );
   assert.ok(
     providers.includes(InventoryFunctionService),
     'AssetMasterModule must provide InventoryFunctionService so production Nest bootstrap can resolve the dossier',
   );
+  assert.equal(
+    controllers.some((controller) => controller?.name === 'InventoryFunctionController'),
+    false,
+    'F5 must not reopen the retired Inventory Function controller',
+  );
 });