some improvements

src/app/pages/create-page/create-page.ts

@@ -11,7 +11,6 @@ type Currency = 'RUB';
 interface SettingsResponse {
   minAmount?: number;
   maxAmount?: number;
-  [key: string]: unknown;
 }
 
 interface CreateQrResponse {
@@ -21,14 +20,10 @@ interface CreateQrResponse {
   nspkurl?: string;   // actual field name in real responses
   qrUrl?: string;
   status?: string;     // e.g. "REGISTERED"
-  [key: string]: unknown;
 }
 
 interface QrStatusResponse {
   status?: string;    // "REGISTERED" | "NEW" | "APPROVED" | "REJECTED" | "COMPLETED"
-  nspkurl?: string;
-  nspkID?: string;
-  [key: string]: unknown;
 }
 
 @Component({
@@ -51,7 +46,6 @@ export class CreatePage {
   note = signal<string>('');
   error = signal<string>('');
   loading = signal<boolean>(false);
-  settingsLoaded = signal<boolean>(false);
 
   currency = signal<Currency>('RUB');
   payment = signal<PaymentMethod>('sbp');
@@ -72,7 +66,6 @@ export class CreatePage {
   qrStatus = signal<string>('');
   paymentDone = signal<boolean>(false);
   private pollHandle: ReturnType<typeof setInterval> | null = null;
-  private activeQrId = '';
 
   /** Auth credentials passed by the host page as URL params. */
   private get authKey(): string {
@@ -100,18 +93,13 @@ export class CreatePage {
     // The `id` query param is the user's id. Fetch per-user amount limits.
     // If the call fails or omits a value, keep current defaults.
     const userId = this.partnerqrID;
-    if (!userId) {
-      this.settingsLoaded.set(true);
-      return;
-    }
+    if (!userId) return;
     const url = `${QR_VITANOVA_API}/settings?id=${encodeURIComponent(userId)}`;
     this.http.get<SettingsResponse>(url).subscribe({
       next: (s) => {
         if (typeof s?.minAmount === 'number') this.minAmount.set(s.minAmount);
         if (typeof s?.maxAmount === 'number') this.maxAmount.set(s.maxAmount);
-        this.settingsLoaded.set(true);
-      },
-      error: () => this.settingsLoaded.set(true) // proceed with current defaults
+      }
     });
   }
 
@@ -167,7 +155,6 @@ export class CreatePage {
           }
 
           if (qrId || nspkUrl) {
-            this.activeQrId = qrId;
             const qrData = nspkUrl
               ? `https://api.qrserver.com/v1/create-qr-code/?size=256x256&margin=8&data=${encodeURIComponent(nspkUrl)}`
               : (res.qrUrl ?? null);
@@ -227,13 +214,9 @@ export class CreatePage {
   }
 
   closeQr(): void {
+    this.stopPolling();
     this.qrImageUrl.set(null);
-    this.qrPolling.set(false);
     this.qrStatus.set('');
     this.paymentDone.set(false);
-    if (this.pollHandle !== null) {
-      clearInterval(this.pollHandle);
-      this.pollHandle = null;
-    }
   }
 }