完善借款、编号、付款与预算并发及验收（09-06-release-gate-integrity）

汇总已落盘的借款本金与还款、兼容历史编号的周期化编号、付款责任与回单核验、报销进度和排序、PWA/采购事务、错误原因与日期校验及ERP退役。
统一共享预算池锁序和锁后判断，恢复差旅原预算选择，补原因码固定夹具及反向完整性检查。
纳入配套迁移、测试、受管QA、分层验收合同、规约及任务记录；原始证据留在ignored artifacts。

关联任务：09-17-company-loan-principal-repayment、09-17-erp-exclusive-retirement、09-18-reimbursement-periodic-numbering、09-08-reimbursement-payment-closeout、09-18-local-concurrency-product-fixes、09-19-budget-pool-concurrency、09-05-error-explainability-payment-readiness。
预算补审由Claude定向验证2文件928项通过，原4446/28及r6结果仍仅对应各自历史输入；本轮未重跑测试。
完整新候选门禁、R1真实入口接入与12项公网义务仍开放。生产编号未启用、差旅仍冻结；不推送、不部署，不宣称发布资格。

client/tests/e2e/visual-shell.spec.ts

@@ -1,8 +1,12 @@
 import { mkdir, writeFile } from "node:fs/promises";
+import { mkdirSync, mkdtempSync } from "node:fs";
 import path from "node:path";
 import { expect, test, type Page, type Route, type TestInfo } from "@playwright/test";
 
-const SCREENSHOT_DIR = path.resolve(process.cwd(), "../output/playwright/pc-frontend-visual-consistency-wave1");
+const SCREENSHOT_ROOT = process.env.QA_VISUAL_OUTPUT_DIR || path.resolve(process.cwd(), "../output/playwright/pc-frontend-visual-consistency-wave1");
+mkdirSync(SCREENSHOT_ROOT, { recursive: true });
+const SCREENSHOT_DIR = mkdtempSync(path.join(SCREENSHOT_ROOT, "visual-shell-"));
+test.use({ serviceWorkers: "block" });
 
 function envelope(data: unknown) {
   return { requestId: "mock-r96-ui", data };