Дочинили авторизацию

codebase/backend/frontend-test-site/app/auth/callback.tsx

@@ -1,5 +1,5 @@
 import { useLocalSearchParams } from "expo-router";
-import React, { useEffect, useState } from "react";
+import React, { useEffect, useRef, useState } from "react";
 import { Text, View } from "react-native";
 import { useApp } from "../../src/app-context";
 import type { Consents } from "../../src/types";
@@ -9,6 +9,7 @@ export default function AuthCallbackScreen() {
   const params = useLocalSearchParams<{ code?: string; state?: string; error?: string }>();
   const app = useApp();
   const [error, setError] = useState<unknown>();
+  const completionStarted = useRef(false);
   const retry = () => {
     if (!params.code || !params.state || typeof window === "undefined") return;
     const raw = window.sessionStorage.getItem("han.pending-consents");
@@ -17,11 +18,14 @@ export default function AuthCallbackScreen() {
     void app.finishCallback(params.code, params.state, JSON.parse(raw) as Consents).catch(setError);
   };
   useEffect(() => {
+    if (completionStarted.current) return;
     if (params.error) {
+      completionStarted.current = true;
       setError(new Error("Авторизация отменена или отклонена."));
       return;
     }
     if (!params.code || !params.state) return;
+    completionStarted.current = true;
     const raw = typeof window !== "undefined" ? window.sessionStorage.getItem("han.pending-consents") : null;
     if (!raw) {
       setError(new Error("Не найдены локально принятые согласия. Начните вход заново."));

codebase/backend/frontend-test-site/src/auth.ts

@@ -40,7 +40,7 @@ const secureStore = {
 };
 
 const random = () => Crypto.randomUUID().replaceAll("-", "") + Crypto.randomUUID().replaceAll("-", "");
-const redirectUri = AuthSession.makeRedirectUri({ scheme: "han-chat", path: "oauth/callback" });
+const redirectUri = AuthSession.makeRedirectUri({ scheme: "han-chat", path: "auth/callback" });
 const tokenEndpoint = `${oidcIssuer}/protocol/openid-connect/token`;
 
 export function configureAuthFailure(callback: () => void) {
@@ -95,6 +95,10 @@ export async function beginAuthorization() {
     state,
     nonce,
   })}`;
+  if (Platform.OS === "web" && typeof window !== "undefined") {
+    window.location.assign(url);
+    return new Promise<never>(() => undefined);
+  }
   const result = await WebBrowser.openAuthSessionAsync(url, redirectUri);
   if (result.type !== "success") return { type: result.type as "cancel" | "dismiss" };
   const callback = new URL(result.url);