修正CEO报销财务兜底与部署护栏（07-28-ceo-finance-fallback）

client/src/pages/ApprovalRulesPage.tsx

@@ -27,9 +27,13 @@ const ROLE_OPTIONS: Array<{ code: ApprovalRoleCode; label: string }> = [
   { code: "finance", label: "finance" },
   { code: "finance_mgr", label: "finance_mgr" },
 ];
-const OWNER_SELF_FALLBACK_ROLE_OPTIONS = ROLE_OPTIONS.filter(
-  (role) => role.code === "finance_mgr",
-);
+const OWNER_SELF_FALLBACK_ROLE_OPTIONS: Array<{
+  code: ApprovalOwnerSelfFallbackRoleCode;
+  label: string;
+}> = [
+  { code: "finance", label: "财务" },
+  { code: "finance_mgr", label: "财务负责人（兼容）" },
+];
 
 function formatAmount(value: string | null) {
   if (!value) return "-";
@@ -47,7 +51,7 @@ export function ApprovalRulesPage() {
   const [level1Role, setLevel1Role] = useState<ApprovalRoleCode>("manager");
   const [level2Role, setLevel2Role] = useState<ApprovalRoleCode | "">("");
   const [level3Role, setLevel3Role] = useState<ApprovalRoleCode | "">("");
-  const [ownerSelfFallbackRole, setOwnerSelfFallbackRole] = useState<ApprovalOwnerSelfFallbackRoleCode | "">("finance_mgr");
+  const [ownerSelfFallbackRole, setOwnerSelfFallbackRole] = useState<ApprovalOwnerSelfFallbackRoleCode | "">("finance");
   const [enabled, setEnabled] = useState(true);
 
   const [editOpen, setEditOpen] = useState(false);
@@ -102,7 +106,7 @@ export function ApprovalRulesPage() {
       setLevel1Role("manager");
       setLevel2Role("");
       setLevel3Role("");
-      setOwnerSelfFallbackRole("finance_mgr");
+      setOwnerSelfFallbackRole("finance");
       setEnabled(true);
       setError("");
       toast.success("规则已创建");
@@ -334,7 +338,7 @@ export function ApprovalRulesPage() {
                 </option>
               ))}
             </select>
-            <p className="text-xs text-zinc-500">推荐 finance_mgr；不使用 admin。</p>
+            <p className="text-xs text-zinc-500">推荐财务；系统管理员不参与业务审批。</p>
           </div>
 
           <div className="flex items-center gap-2 pt-6">