实现 B-2a 报销审批内容工作台（reimbursement-approval-content-workbench）

client/src/pages/reimbursement-detail/ReimbursementItemEditor.tsx

@@ -5,18 +5,7 @@ import { fetchExpenseStandards } from "../../api/expenseStandards";
 import { Button } from "../../components/ui/button";
 import { Input } from "../../components/ui/input";
 import { Textarea } from "../../components/ui/textarea";
-
-export const OFFICE_ELECTRONICS_HINT_THRESHOLD = 2000;
-
-export function shouldShowOfficeElectronicsHint(
-  expenseType: Pick<ExpenseType, "code"> | null | undefined,
-  amount: string | number,
-) {
-  const numericAmount = Number(amount);
-  return expenseType?.code === "office_supplies"
-    && Number.isFinite(numericAmount)
-    && numericAmount >= OFFICE_ELECTRONICS_HINT_THRESHOLD;
-}
+import { shouldShowOfficeElectronicsHint } from "../../lib/reimbursementPolicyHints";
 
 export type ItemEditorMode = "create" | "edit";