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/r102-reimbursement-main-flow.spec.ts

@@ -366,7 +366,7 @@ test.describe("R102 reimbursement main flow", () => {
     await expect(page.getByText(reimbursementId)).toHaveCount(0);
 
     await page.getByRole("button", { name: "更多" }).first().click();
-    await page.getByRole("menuitem", { name: "删除草稿" }).click();
+    await page.getByRole("menuitem", { name: "删除报销单", exact: true }).click();
     await expect(page.getByTestId("action-confirm-dialog")).toContainText(formNumber);
     await page.getByTestId("action-confirm-submit").click();
     await expect(page.getByTestId("reimbursement-row")).toHaveCount(0);
@@ -387,10 +387,12 @@ test.describe("R102 reimbursement main flow", () => {
     await page.getByTestId("reimbursement-more-toggle").click();
     await expect(page.getByTestId("reimbursement-delete-draft")).toBeVisible();
     await expect(page.getByTestId("reimbursement-secondary-payment-status")).toHaveCount(0);
+    await page.keyboard.press("Escape");
+    await expect(page.getByTestId("reimbursement-delete-draft")).toHaveCount(0);
 
     await page.getByTestId("reimbursement-invoice-add").click();
     await expect(page.getByTestId("reimbursement-invoice-dialog")).toBeVisible();
-    await expect(page.getByTestId("reimbursement-invoice-dialog")).toContainText("添加后自动生成或匹配报销明细");
+    await expect(page.getByTestId("reimbursement-invoice-dialog")).toContainText("选择可添加发票，或上传新发票");
     await expect(page.getByText("绑定整单")).toHaveCount(0);
     await expect(page.getByText("不绑定明细")).toHaveCount(0);
     await expect(page.getByTestId(`reimbursement-invoice-linked-item-${invoiceId}`)).toHaveCount(0);
@@ -405,7 +407,7 @@ test.describe("R102 reimbursement main flow", () => {
       const url = new URL(response.url());
       return response.request().method() === "POST" && url.pathname === `/api/invoice-pool/${invoiceId}/bind` && response.ok();
     });
-    await page.getByRole("button", { name: "添加选中发票" }).click();
+    await page.getByRole("button", { name: "添加到报销单", exact: true }).click();
     await bindResponsePromise;
     await expect(page.getByTestId("reimbursement-invoice-dialog")).toHaveCount(0);
   });