feat(ops): WeCom webhook alerts for pay/redeem anomalies

Add outbound group-bot alerts, rate/amount rules, stuck-order cron, HQ test button, and health db/redis checks.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/admin-web/src/pages/SystemSettingsPage.tsx

@@ -61,6 +61,34 @@ function MockSmsCodePanel({ codes, loading }: { codes: MockSmsCodeItem[]; loadin
   );
 }
 
+function WecomAlertTestButton() {
+  const [testing, setTesting] = useState(false);
+  async function onTest() {
+    setTesting(true);
+    try {
+      const res = await request<{ ok: boolean; message: string }>(
+        '/admin/system-config/wecom-alert/test',
+        { method: 'POST', body: '{}' },
+      );
+      message.success(res.message || '已发送测试告警');
+    } catch (e) {
+      message.error(e instanceof Error ? e.message : '发送失败');
+    } finally {
+      setTesting(false);
+    }
+  }
+  return (
+    <div style={{ marginTop: -8, marginBottom: 16 }}>
+      <Button size="small" loading={testing} onClick={() => void onTest()}>
+        发送测试告警
+      </Button>
+      <Typography.Text type="secondary" style={{ marginLeft: 8, fontSize: 12 }}>
+        需已配置 WECOM_ALERT_WEBHOOK_URL 并开启上方开关
+      </Typography.Text>
+    </div>
+  );
+}
+
 function renderField(
   field: SystemConfigFieldMeta,
   configuredSecrets: string[],
@@ -263,6 +291,8 @@ export default function SystemSettingsPage() {
                 meta.configuredSecrets,
                 f.key === 'MOCK_SMS' && mockSmsEnabled ? (
                   <MockSmsCodePanel codes={meta.mockSmsCodes ?? []} loading={loading} />
+                ) : f.key === 'WECOM_ALERT_ENABLED' ? (
+                  <WecomAlertTestButton />
                 ) : undefined,
               ),
             )}