feat(makelore): add platform oidc login

src/App.tsx

@@ -284,7 +284,14 @@ function App() {
 
   useEffect(() => {
     const unsubscribe = subscribeHostEvent('auth:session-changed', (session) => {
-      useAuthStore.getState().applyMainSession(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);
+      }
     });
     return unsubscribe;
   }, []);

src/pages/Login/index.tsx

@@ -6,6 +6,7 @@ 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';
@@ -307,6 +308,30 @@ 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
@@ -464,6 +489,17 @@ 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>