Remove unused __init__.py file and update payment handler callback buttons to unify navigation. Change "back_to_profile" callback to "pay" in multiple payment processing files for consistency.

handlers/keys/trial_key.py

@@ -42,12 +42,7 @@ async def create_trial_key(tg_id: int, session: Any):
         )
 
     await store_key(
-        tg_id,
-        client_id,
-        email,
-        expiry_timestamp,
-        public_link,
-        server_id=least_loaded_cluster,
+        tg_id, client_id, email, expiry_timestamp, public_link, server_id=least_loaded_cluster, session=session
     )
     await use_trial(tg_id, session)
     return result

handlers/payments/cryprobot_pay.py

@@ -54,7 +54,7 @@ async def process_callback_pay_cryptobot(callback_query: types.CallbackQuery, st
             callback_data="enter_custom_amount_crypto",
         )
     )
-    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="back_to_profile"))
+    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="pay"))
     key_count = await get_key_count(callback_query.message.chat.id)
     if key_count == 0:
         exists = await check_connection_exists(callback_query.message.chat.id)

handlers/payments/freekassa_pay.py

@@ -110,7 +110,7 @@ async def process_callback_pay_freekassa(callback_query: types.CallbackQuery, st
             callback_data="enter_custom_amount_freekassa",
         )
     )
-    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="back_to_profile"))
+    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="pay"))
 
     await callback_query.message.answer(
         text="Выберите сумму пополнения через FreeKassa:",

handlers/payments/robokassa_pay.py

@@ -79,7 +79,7 @@ async def process_callback_pay_robokassa(callback_query: types.CallbackQuery, st
             callback_data="enter_custom_amount_robokassa",
         )
     )
-    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="back_to_profile"))
+    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="pay"))
 
     key_count = await get_key_count(tg_id)
 

handlers/payments/yookassa_pay.py

@@ -61,7 +61,7 @@ async def process_callback_pay_yookassa(callback_query: types.CallbackQuery, sta
             callback_data="enter_custom_amount_yookassa",
         )
     )
-    builder.row(InlineKeyboardButton(text="👤 Личный кабинет", callback_data="profile"))
+    builder.row(InlineKeyboardButton(text="⬅️ Назад", callback_data="pay"))
 
     key_count = await get_key_count(tg_id)