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/r106-visual-audit.spec.ts

@@ -1,4 +1,4 @@
-import { mkdirSync, writeFileSync } from "node:fs";
+import { mkdirSync, mkdtempSync, writeFileSync } from "node:fs";
 import path from "node:path";
 import { expect, test, type BrowserContext, type Locator, type Page } from "@playwright/test";
 
@@ -42,8 +42,10 @@ type PageMetrics = {
 };
 
 const ROOT_DIR = path.resolve(process.cwd(), "..");
-const SCREENSHOT_DIR = path.join(ROOT_DIR, "output/playwright/r106");
-const ARTIFACT_DIR = path.join(ROOT_DIR, "artifacts/r106-visual-audit");
+const visualRoot = path.resolve(process.env.QA_VISUAL_OUTPUT_DIR?.trim() || path.join(ROOT_DIR, "output/playwright"));
+mkdirSync(visualRoot, { recursive: true });
+const SCREENSHOT_DIR = mkdtempSync(path.join(visualRoot, "r106-"));
+const ARTIFACT_DIR = path.join(SCREENSHOT_DIR, "report");
 const WECOM_UA =
   "Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 wxwork/4.1.0 MicroMessenger/8.0.37 Language/zh_CN";
 const UUID_RE = /[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}/gi;