R18-1/R18-3: 接入企业微信入口绑定与免登回退

client/src/pages/LoginPage.tsx

@@ -1,7 +1,7 @@
 import { useState } from "react";
 import { useQuery } from "@tanstack/react-query";
 import { useNavigate, useSearchParams } from "react-router-dom";
-import { fetchSsoProviders } from "../api/auth";
+import { fetchSsoProviders, fetchWecomConfig } from "../api/auth";
 import { mapApiErrorMessage } from "../api/errorMessages";
 import { isApiError } from "../api/types";
 import { useAuth } from "../auth/AuthContext";
@@ -39,6 +39,12 @@ export function LoginPage() {
     staleTime: 60_000,
   });
   const oidcProvider = (ssoProvidersQuery.data ?? []).find((item) => item.id === "oidc" && item.enabled);
+  const wecomConfigQuery = useQuery({
+    queryKey: ["auth", "wecom-config"],
+    queryFn: () => fetchWecomConfig(),
+    staleTime: 60_000,
+  });
+  const wecomEntry = wecomConfigQuery.data?.enabled ? wecomConfigQuery.data : null;
 
   async function handleSubmit(event: React.FormEvent<HTMLFormElement>) {
     event.preventDefault();
@@ -114,19 +120,34 @@ export function LoginPage() {
         </Button>
       </form>
 
-      {oidcProvider ? (
+      {oidcProvider || wecomEntry ? (
         <div className="space-y-3 border-t border-zinc-200 pt-4">
           <p className="text-xs uppercase tracking-wide text-zinc-500">企业统一入口</p>
-          <Button
-            className="w-full"
-            type="button"
-            variant="secondary"
-            onClick={() => {
-              window.location.assign(`${oidcProvider.loginUrl}?returnTo=${encodeURIComponent(redirectTo)}`);
-            }}
-          >
-            使用{oidcProvider.label}
-          </Button>
+          {wecomEntry?.loginUrl ? (
+            <Button
+              className="w-full"
+              type="button"
+              variant="secondary"
+              onClick={() => {
+                const loginUrl = wecomEntry.loginUrl ?? "/api/auth/wecom/login";
+                window.location.assign(loginUrl.replace(/returnTo=%2Fportal$/, `returnTo=${encodeURIComponent(redirectTo)}`));
+              }}
+            >
+              使用企业微信进入工作台
+            </Button>
+          ) : null}
+          {oidcProvider ? (
+            <Button
+              className="w-full"
+              type="button"
+              variant="secondary"
+              onClick={() => {
+                window.location.assign(`${oidcProvider.loginUrl}?returnTo=${encodeURIComponent(redirectTo)}`);
+              }}
+            >
+              使用{oidcProvider.label}
+            </Button>
+          ) : null}
         </div>
       ) : null}
     </div>