Revert "feat(makelore): add platform oidc login"

This reverts commit 7236def07d.

src/App.tsx

@@ -284,14 +284,7 @@ function App() {
 
   useEffect(() => {
     const unsubscribe = subscribeHostEvent('auth:session-changed', (session) => {
-      const auth = useAuthStore.getState();
-      auth.applyMainSession(session);
-      // A platform OIDC callback is committed by Main and only carries the
-      // session credentials. Reload the current account so the renderer gets
-      // the stable username and module permissions before routing.
-      if (session) {
-        void auth.init().catch(() => undefined);
-      }
+      useAuthStore.getState().applyMainSession(session);
     });
     return unsubscribe;
   }, []);

src/pages/Login/index.tsx

@@ -6,7 +6,6 @@ import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
 import { hostApiFetch } from '@/lib/host-api';
-import { invokeIpc } from '@/lib/api-client';
 import { useAuthStore } from '@/stores/auth';
 import { useProviderStore } from '@/stores/providers';
 import logoSvg from '@/assets/logo.svg';
@@ -308,30 +307,6 @@ export function Login() {
     }
   };
 
-  const handlePlatformLogin = async () => {
-    if (!agreed || busy) return;
-    setSubmitError(null);
-    setSubmitting(true);
-    try {
-      const response = await hostApiFetch<{
-        success?: unknown;
-        authorizationUrl?: unknown;
-      }>('/api/auth/platform/start', {
-        method: 'POST',
-        cache: 'no-store',
-        body: JSON.stringify({}),
-      });
-      if (response.success !== true) throw new Error('平台登录暂时不可用，请稍后重试。');
-      const authorizationUrl = getSafeExternalUrl(response.authorizationUrl);
-      if (!authorizationUrl) throw new Error('平台登录地址无效，请稍后重试。');
-      await invokeIpc('shell:openExternal', authorizationUrl);
-    } catch (loginError) {
-      setSubmitError(loginError instanceof Error ? loginError.message : String(loginError));
-    } finally {
-      setSubmitting(false);
-    }
-  };
-
   const handleSendCode = async () => {
     if (
       sendingCode
@@ -489,17 +464,6 @@ export function Login() {
             </form>
           )}
 
-          <Button
-            type="button"
-            variant="outline"
-            className="w-full"
-            disabled={!agreed || busy}
-            onClick={() => void handlePlatformLogin()}
-          >
-            {submitting && <Loader2 className="mr-2 h-4 w-4 animate-spin" />}
-            平台账号登录
-          </Button>
-
           <label className="flex items-start gap-2 text-xs leading-5 text-muted-foreground">
             <input type="checkbox" className="mt-1" checked={agreed} onChange={(event) => setAgreed(event.target.checked)} />
             <span>