@@ -1,3 +1,4 @@
+import { existsSync } from 'node:fs';
 import { describe, expect, test } from 'vitest';
 import { commandDescriptors } from '../registry.ts';
 import { COMMAND_OWNER_FILES, ownerFilesForCommand } from '../owner-files.ts';
@@ -9,9 +10,13 @@ describe('command owner-file projection', () => {
     expect(declared).toEqual(registered);
   });
 
-  test('every command maps to a non-empty owner-file list', () => {
+  test('every command maps to existing owner files', () => {
     for (const descriptor of commandDescriptors) {
-      expect(ownerFilesForCommand(descriptor.name).length).toBeGreaterThan(0);
+      const files = ownerFilesForCommand(descriptor.name);
+      expect(files.length).toBeGreaterThan(0);
+      for (const file of files) {
+        expect(existsSync(new URL(`../../../../${file}`, import.meta.url)), file).toBe(true);
+      }
     }
   });