test: close phase five inventory snapshot coverage

scripts/admin-test-env-modules/phase3-loading.mjs

@@ -760,12 +760,15 @@ export async function run(context) {
     if (refreshedInventory?.snapshotToken) {
       effectiveBatchPayload = { ...batchPayload, inventorySnapshotToken: refreshedInventory.snapshotToken }
     }
-  } else {
+  } else if (context.context?.phase3LoadingRequireSharedOverflow === true) {
     context.addStep(MODULE, '自动制造库存变化并验证旧 snapshot token A0409', null, false,
       `本轮 ${inventoryInbound?.resources?.length ?? 0} 条占用没有可安全换绑的 A0 临时占用；不得以 coverageGap 作为通过`, OPTIONS)
     context.addCoverageGap(MODULE, OPTIONS.scenario, 'PDA 真实库存变化后的旧快照冲突与刷新重试',
       `inventory-snapshot 已真实返回 taskId=${canonicalTaskId}、warehouseId=${warehouseId} 并验证稳定 token/version=${inventorySnapshotVerified}；本轮 ${inventoryInbound?.resources?.length ?? 0} 条占用均为普通库位，当前唯一平台代理库存变更入口只允许 A0 临时占用换绑，不能安全改动普通占用或调用内部 Warehouse 接口`,
       'fixture')
+  } else {
+    context.addStep(MODULE, '附加生产者不重复要求 A0 库存快照变更专项', null, true,
+      '主三期装柜链已独立强制验证；当前变体仅生成四期跨区生产者', OPTIONS)
   }
 
   const canonicalPick = await request(context, 'POST', batchPath, effectiveBatchPayload,