feat: 账本域 billing_domain 与成员支付可见性收紧

三表增加账本域标签，成员支付参数改为同域透明、跨域隔离、未标域默认藏；管理面登记/筛选/行内编辑与文档中心同步对齐。

apps/web/src/api/admin/keys.ts

@@ -4,6 +4,7 @@ import { adminHttp } from "../http.ts";
 export type KeyListFilters = {
   member_id?: number | "unassigned";
   status?: "active" | "disabled";
+  billing_domain?: string | "none";
   recent_failed?: boolean;
 };
 
@@ -15,6 +16,7 @@ export async function fetchKeys(filters: KeyListFilters = {}): Promise<KeyItem[]
 export async function registerKey(body: {
   sk_key: string;
   member_id?: number | null;
+  billing_domain?: string | null;
 }): Promise<KeyItem> {
   const { data } = await adminHttp.post<KeyItem>("/keys", body);
   return data;
@@ -22,7 +24,11 @@ export async function registerKey(body: {
 
 export async function patchKey(
   id: number,
-  body: { status?: "active" | "disabled"; member_id?: number | null },
+  body: {
+    status?: "active" | "disabled";
+    member_id?: number | null;
+    billing_domain?: string | null;
+  },
 ): Promise<KeyItem> {
   const { data } = await adminHttp.patch<KeyItem>(`/keys/${id}`, body);
   return data;