test: complete phase3 phase4 acceptance coverage

scripts/admin-test-env-modules/supplemental-boundaries-contract.test.mjs

@@ -0,0 +1,14 @@
+import assert from 'node:assert/strict'
+import { readFileSync } from 'node:fs'
+import test from 'node:test'
+
+const source = readFileSync(new URL('./supplemental-boundaries.mjs', import.meta.url), 'utf8')
+
+test('occupied location deletion protection reuses only the marker-owned loading fixture', () => {
+  assert.match(source, /phase3Loading/)
+  assert.match(source, /inventoryMutationCleanup\?\.targetLocationId/)
+  assert.match(source, /loading\?\.marker === context\.marker/)
+  assert.match(source, /真实占用库位删除返回A0409且保留资源/)
+  assert.match(source, /占用删除冲突未造成资源丢失/)
+  assert.doesNotMatch(source, /no-public-fixture-api|当前公共验收 API 未提供/)
+})