feat(affiliate): add admin recharge rebate option

frontend/src/api/admin/settings.ts

@@ -376,6 +376,7 @@ export interface SystemSettings {
   affiliate_rebate_freeze_hours: number;
   affiliate_rebate_duration_days: number;
   affiliate_rebate_per_invitee_cap: number;
+  affiliate_admin_recharge_enabled: boolean;
   default_concurrency: number;
   default_user_rpm_limit: number;
   default_subscriptions: DefaultSubscriptionSetting[];
@@ -673,6 +674,7 @@ export interface UpdateSettingsRequest {
   affiliate_rebate_freeze_hours?: number;
   affiliate_rebate_duration_days?: number;
   affiliate_rebate_per_invitee_cap?: number;
+  affiliate_admin_recharge_enabled?: boolean;
   default_concurrency?: number;
   default_user_rpm_limit?: number;
   default_subscriptions?: DefaultSubscriptionSetting[];

frontend/src/i18n/locales/en/admin/settings.ts

@@ -45,6 +45,8 @@ export default {
           description: 'Existing users invite new ones; the inviter earns a percentage rebate on the invitee’s recharges. Disabled by default.',
           enabled: 'Enable Affiliate',
           enabledHint: 'When off, the affiliate menu is hidden, the aff parameter is ignored at signup, and new recharges generate no rebate. Existing rebate balances can still be transferred.',
+          adminRechargeRebate: 'Rebate Admin Deposits',
+          adminRechargeRebateHint: 'When enabled, balance added through User Management > Deposit generates affiliate rebates. Setting a balance or withdrawing funds does not.',
           rebateRate: 'Global Rebate Rate',
           rebateRateHint: 'Default percentage given back to the inviter on recharges (0-100, e.g. 10 = 10%).',
           freezeHours: 'Rebate Freeze Period (hours)',

frontend/src/i18n/locales/zh/admin/settings.ts

@@ -45,6 +45,8 @@ export default {
           description: '老用户邀请新用户注册，新用户充值后老用户按比例获得返利额度。默认关闭。',
           enabled: '启用邀请返利',
           enabledHint: '关闭后用户菜单中的邀请页面入口隐藏、注册时忽略邀请码、新充值不再产生返利。已有返利额度仍可转入余额。',
+          adminRechargeRebate: '管理员充值参与返利',
+          adminRechargeRebateHint: '开启后，通过“用户管理 > 充值”增加的余额会产生邀请返利；设置余额和扣款不参与返利。',
           rebateRate: '全局返利比例',
           rebateRateHint: '充值后返给邀请人的默认比例（0-100%，例如填写 10 表示返利 10%）。',
           freezeHours: '返利冻结期（小时）',

frontend/src/views/admin/SettingsView.vue

@@ -5938,6 +5938,18 @@
             </div>
 
             <div v-if="form.affiliate_enabled" class="space-y-6">
+              <div class="flex items-center justify-between">
+                <div>
+                  <label class="text-sm font-medium text-gray-700 dark:text-gray-300">
+                    {{ t('admin.settings.features.affiliate.adminRechargeRebate') }}
+                  </label>
+                  <p class="mt-0.5 text-xs text-gray-500 dark:text-gray-400">
+                    {{ t('admin.settings.features.affiliate.adminRechargeRebateHint') }}
+                  </p>
+                </div>
+                <Toggle v-model="form.affiliate_admin_recharge_enabled" />
+              </div>
+
               <div>
                 <label class="input-label">
                   {{ t('admin.settings.features.affiliate.rebateRate') }}
@@ -8063,6 +8075,7 @@ const form = reactive<SettingsForm>({
   affiliate_rebate_freeze_hours: 0,
   affiliate_rebate_duration_days: 0,
   affiliate_rebate_per_invitee_cap: 0,
+  affiliate_admin_recharge_enabled: false,
   default_concurrency: 1,
   default_subscriptions: [],
   force_email_on_third_party_signup: false,
@@ -9418,6 +9431,7 @@ async function saveSettings() {
       affiliate_rebate_freeze_hours: Math.max(0, Math.min(720, Number(form.affiliate_rebate_freeze_hours) || 0)),
       affiliate_rebate_duration_days: Math.max(0, Math.min(3650, Math.floor(Number(form.affiliate_rebate_duration_days) || 0))),
       affiliate_rebate_per_invitee_cap: Math.max(0, Number(form.affiliate_rebate_per_invitee_cap) || 0),
+      affiliate_admin_recharge_enabled: form.affiliate_admin_recharge_enabled,
       default_concurrency: form.default_concurrency,
       default_subscriptions: normalizedDefaultSubscriptions,
       force_email_on_third_party_signup: form.force_email_on_third_party_signup,

frontend/src/views/admin/__tests__/SettingsView.spec.ts

@@ -646,6 +646,27 @@ describe("admin SettingsView payment visible method controls", () => {
     expect(payload).not.toHaveProperty("payment_visible_method_wxpay_enabled");
   });
 
+  it("submits the admin recharge affiliate rebate setting", async () => {
+    getSettings.mockResolvedValueOnce({
+      ...baseSettingsResponse,
+      affiliate_enabled: true,
+      affiliate_admin_recharge_enabled: true,
+    });
+
+    const wrapper = mountView();
+
+    await flushPromises();
+    await wrapper.find("form").trigger("submit.prevent");
+    await flushPromises();
+
+    expect(updateSettings).toHaveBeenCalledTimes(1);
+    expect(updateSettings).toHaveBeenCalledWith(
+      expect.objectContaining({
+        affiliate_admin_recharge_enabled: true,
+      }),
+    );
+  });
+
   it("submits Anthropic cache TTL injection gateway setting", async () => {
     getSettings.mockResolvedValueOnce({
       ...baseSettingsResponse,