feat: route purchases through tariff catalog

bot/handlers/user/subscription/payments_freekassa.py

@@ -61,9 +61,10 @@ async def pay_fk_callback_handler(
 
     user_id = callback.from_user.id
     human_value = str(int(months)) if float(months).is_integer() else f"{months:g}"
+    sale_base = sale_mode.split("@", 1)[0].split("|", 1)[0]
     payment_description = (
         get_text("payment_description_traffic", traffic_gb=human_value)
-        if sale_mode == "traffic"
+        if sale_base in {"traffic", "traffic_package", "topup"}
         else get_text("payment_description_subscription", months=int(months))
     )
     currency_code = getattr(freekassa_service, "default_currency", None) or settings.DEFAULT_CURRENCY_SYMBOL or "RUB"
@@ -76,6 +77,9 @@ async def pay_fk_callback_handler(
         "description": payment_description,
         "subscription_duration_months": int(months),
         "provider": "freekassa",
+        "sale_mode": sale_mode,
+        "tariff_key": sale_mode.split("@", 1)[1] if "@" in sale_mode else None,
+        "purchased_gb": float(months) if sale_base in {"traffic", "traffic_package", "topup"} else None,
     }
 
     try: