chore: import DH V2 D5.6.4 production baseline

api-v3/test/unit/asset-navigation-d5-3-10-2.test.ts

@@ -0,0 +1,30 @@
+import assert from 'node:assert/strict';
+import { readFile } from 'node:fs/promises';
+import { resolve } from 'node:path';
+import test from 'node:test';
+
+async function source(relativePath: string): Promise<string> {
+  return readFile(resolve(process.cwd(), 'src', relativePath), 'utf8');
+}
+
+test('D5.3.10.2 exposes a read-only lineage endpoint for Maestro breadcrumbs', async () => {
+  const controller = await source('asset-master/assets.controller.ts');
+  const service = await source('asset-master/assets.service.ts');
+
+  assert.match(controller, /@Get\(':id\/lineage'\)/);
+  assert.match(controller, /@RequirePermissions\('assets\.read'\)/);
+  assert.match(service, /async lineage\(id: string\)/);
+  assert.match(service, /WITH RECURSIVE lineage AS/);
+  assert.match(service, /ORDER BY lineage\.depth DESC/);
+});
+
+test('production API source keeps external-review hygiene', async () => {
+  const files = [
+    'main.ts',
+    'asset-imports/asset-import-plan.ts',
+    'inspection-operations/mobile-inspector-policy.ts',
+    'asset-master/asset-master-bootstrap.ts',
+  ];
+  const content = (await Promise.all(files.map(source))).join('\n');
+  assert.doesNotMatch(content, /^\s*(?:\/\/|\/\*|\*)/m);
+});