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

api-v3/src/asset-master/asset-master.module.ts

@@ -26,6 +26,7 @@ import { InventoryStructureController } from './inventory-structure.controller';
 import { InventoryStructureService } from './inventory-structure.service';
 import { InventoryFamilyCatalogController } from './inventory-family-catalog.controller';
 import { InventoryFamilyCatalogService } from './inventory-family-catalog.service';
+import { InventoryFunctionService } from './inventory-function.service';
 import { FieldInventoryMergeController, InventoryMergeController } from './inventory-merge.controller';
 import { InventoryMergeService } from './inventory-merge.service';
 import { MergedInventoryDossierService } from './merged-inventory-dossier.service';
@@ -56,6 +57,7 @@ import { InventoryBrowserService } from './inventory-browser.service';
     AssetsService,
     InventoryStructureService,
     InventoryFamilyCatalogService,
+    InventoryFunctionService,
     InventoryBrowserService,
     InventoryMergeService,
     MergedInventoryDossierService,

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

@@ -0,0 +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';
+
+test('F5 AssetMasterModule keeps dossier-only function dependency injectable without reopening its controller', () => {
+  const providers = (Reflect.getMetadata(MODULE_METADATA.PROVIDERS, AssetMasterModule) ?? []) 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.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',
+  );
+});