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

client/src/api/approvalRules.ts

@@ -8,7 +8,7 @@ export type ApprovalRoleCode =
   | "finance_mgr"
   | "administration"
   | "hr";
-export type ApprovalOwnerSelfFallbackRoleCode = "finance_mgr";
+export type ApprovalOwnerSelfFallbackRoleCode = "finance" | "finance_mgr";
 
 export type ApprovalRule = {
   id: string;