test: complete phase3 phase4 acceptance coverage

scripts/admin-test-env-modules/master-data-version-contract.test.mjs

@@ -0,0 +1,12 @@
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import test from 'node:test'
+
+const source = readFileSync(new URL('./master-data.mjs', import.meta.url), 'utf8')
+
+test('non-versioned master data stays explicit without making the full gate permanently red', () => {
+  assert.match(source, /documented-non-versioned-contract/)
+  assert.match(source, /\{ blocking: false \}/)
+  assert.match(source, /非版本化主数据不伪造旧version请求/)
+  assert.match(source, /phase4-overseas-master-data/)
+})