revert

src/app/components/telegram-login/telegram-login.component.ts

@@ -19,53 +19,22 @@ export class TelegramLoginComponent implements OnDestroy {
   webSessionID = signal('');
   qrStatus = signal<'loading' | 'ready' | 'expired' | 'error'>('loading');
   encodedQrUrl = computed(() => encodeURIComponent(this.loginUrl()));
-  awaitingTelegramReturn = signal(false);
 
   private readonly pollIntervalMs = 5000;
   private pollTimer?: ReturnType<typeof setInterval>;
-  private mobileFallbackTimeout?: ReturnType<typeof setTimeout>;
-  private readonly handleVisibilityChange = () => {
-    if (document.visibilityState === 'hidden') {
-      this.clearMobileFallbackTimeout();
-      return;
-    }
-
-    this.resumeLoginPolling();
-  };
-  private readonly handleWindowFocus = () => {
-    this.resumeLoginPolling();
-  };
-  private readonly handlePageShow = () => {
-    this.resumeLoginPolling();
-  };
 
   constructor() {
     effect(() => {
       if (this.showDialog()) {
         this.initQrLogin();
       } else {
-        this.awaitingTelegramReturn.set(false);
-        this.clearMobileFallbackTimeout();
         this.stopPolling();
       }
     });
-
-    if (typeof window !== 'undefined') {
-      document.addEventListener('visibilitychange', this.handleVisibilityChange);
-      window.addEventListener('focus', this.handleWindowFocus);
-      window.addEventListener('pageshow', this.handlePageShow);
-    }
   }
 
   ngOnDestroy(): void {
-    this.clearMobileFallbackTimeout();
     this.stopPolling();
-
-    if (typeof window !== 'undefined') {
-      document.removeEventListener('visibilitychange', this.handleVisibilityChange);
-      window.removeEventListener('focus', this.handleWindowFocus);
-      window.removeEventListener('pageshow', this.handlePageShow);
-    }
   }
 
   close(): void {
@@ -74,21 +43,16 @@ export class TelegramLoginComponent implements OnDestroy {
   }
 
   openTelegramLogin(): void {
-    const webSessionID = this.webSessionID();
     const url = this.loginUrl();
-    if (!url || !webSessionID) return;
+    if (!url) return;
 
+    window.open(url, '_blank');
     if (!this.pollTimer) {
-      this.startPolling(webSessionID);
+      const webSessionID = this.webSessionID();
+      if (webSessionID) {
+        this.startPolling(webSessionID);
+      }
     }
-
-    if (this.isMobileBrowser()) {
-      this.awaitingTelegramReturn.set(true);
-      this.launchTelegramOnMobile(webSessionID, url);
-      return;
-    }
-
-    window.open(url, '_blank', 'noopener,noreferrer');
   }
 
   refreshQr(): void {
@@ -130,8 +94,6 @@ export class TelegramLoginComponent implements OnDestroy {
       this.authService.checkSessionOnce(webSessionID).subscribe({
         next: (session) => {
           if (session?.active) {
-            this.awaitingTelegramReturn.set(false);
-            this.clearMobileFallbackTimeout();
             this.stopPolling();
             this.authService.onTelegramLoginComplete();
           }
@@ -149,57 +111,4 @@ export class TelegramLoginComponent implements OnDestroy {
       this.pollTimer = undefined;
     }
   }
-
-  private resumeLoginPolling(): void {
-    if (!this.showDialog() || !this.awaitingTelegramReturn()) {
-      return;
-    }
-
-    const webSessionID = this.webSessionID();
-    if (!webSessionID) {
-      this.awaitingTelegramReturn.set(false);
-      return;
-    }
-
-    if (!this.pollTimer) {
-      this.startPolling(webSessionID);
-    }
-
-    this.authService.checkSessionOnce(webSessionID).subscribe(session => {
-      if (session?.active) {
-        this.awaitingTelegramReturn.set(false);
-        this.stopPolling();
-        this.authService.onTelegramLoginComplete();
-      }
-    });
-  }
-
-  private launchTelegramOnMobile(webSessionID: string, fallbackUrl: string): void {
-    this.clearMobileFallbackTimeout();
-    this.mobileFallbackTimeout = setTimeout(() => {
-      if (typeof document !== 'undefined' && document.visibilityState === 'visible') {
-        window.location.assign(fallbackUrl);
-      }
-    }, 1200);
-
-    window.location.assign(this.authService.getTelegramAppLoginUrl(webSessionID));
-  }
-
-  private clearMobileFallbackTimeout(): void {
-    if (this.mobileFallbackTimeout) {
-      clearTimeout(this.mobileFallbackTimeout);
-      this.mobileFallbackTimeout = undefined;
-    }
-  }
-
-  private isMobileBrowser(): boolean {
-    if (typeof navigator === 'undefined') {
-      return false;
-    }
-
-    const userAgent = navigator.userAgent || navigator.vendor;
-    const isTouchMac = navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1;
-
-    return /Android|iPhone|iPad|iPod|IEMobile|Opera Mini/i.test(userAgent) || isTouchMac;
-  }
 }

src/app/services/auth.service.ts

@@ -88,12 +88,6 @@ export class AuthService {
     return `https://t.me/${botUsername}?start=${encodeURIComponent(webSessionID)}`;
   }
 
-  /** Generate the Telegram app deep link for mobile auth handoff. */
-  getTelegramAppLoginUrl(webSessionID: string): string {
-    const botUsername = this.getTelegramBotUsername();
-    return `tg://resolve?domain=${encodeURIComponent(botUsername)}&start=${encodeURIComponent(webSessionID)}`;
-  }
-
   /** Get QR code data URL for Telegram login */
   getTelegramQrUrl(): string {
     return this.getTelegramLoginUrl();