feat(chat): show first recharge offer in header

src/data/storage/app/app_storage.ts

@@ -70,6 +70,27 @@ export class AppStorage {
     return SpAsyncUtil.setString(StorageKeys.lastAppInfoReported, todayString);
   }
 
+  // ---- first recharge offer banner ----
+
+  static async getFirstRechargeOfferBannerDismissed(
+    userId: string | null | undefined,
+  ): Promise<ResultT<boolean>> {
+    const r = await SpAsyncUtil.getBool(
+      AppStorage.firstRechargeOfferBannerDismissedKey(userId),
+    );
+    if (!r.success) return r;
+    return Result.ok(r.data === true);
+  }
+
+  static recordFirstRechargeOfferBannerDismissed(
+    userId: string | null | undefined,
+  ): Promise<ResultT<void>> {
+    return SpAsyncUtil.setBool(
+      AppStorage.firstRechargeOfferBannerDismissedKey(userId),
+      true,
+    );
+  }
+
   // ---- internal helpers ----
 
   /**
@@ -87,4 +108,12 @@ export class AppStorage {
     if (!r.success) return r;
     return Result.ok(r.data === null || r.data !== todayString);
   }
+
+  private static firstRechargeOfferBannerDismissedKey(
+    userId: string | null | undefined,
+  ): string {
+    return `${StorageKeys.firstRechargeOfferBannerDismissed}:${
+      userId || "anonymous"
+    }`;
+  }
 }

src/data/storage/storage_keys.ts

@@ -32,6 +32,7 @@ export const StorageKeys = {
   lastExternalBrowserDialogShown: "last_external_browser_dialog_shown",
   lastPwaEventReported: "last_pwa_event_reported",
   lastAppInfoReported: "last_app_info_reported",
+  firstRechargeOfferBannerDismissed: "first_recharge_offer_banner_dismissed",
 
   // payment
   pendingPaymentOrder: "pending_payment_order",