fix: narrow exception handling and fix session leak in gift.py

- Replace broad `except Exception` with `except TelegramAPIError` in
  balance.py and wheel.py Stars invoice creation (prevents masking
  programming errors)
- Fix session leak in gift.py telegram_stars path: wrap PaymentService
  usage in try/finally to ensure bot.session.close() is called

app/cabinet/routes/balance.py

@@ -269,6 +269,7 @@ async def create_stars_invoice(
 
     # Create invoice through Telegram Bot API
     try:
+        from aiogram.exceptions import TelegramAPIError
         from aiogram.types import LabeledPrice
 
         async with create_bot() as bot:
@@ -294,7 +295,7 @@ async def create_stars_invoice(
             amount_kopeks=normalized_kopeks,
         )
 
-    except Exception as e:
+    except TelegramAPIError as e:
         logger.error('Error creating Stars invoice', error=e)
         raise HTTPException(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,

app/cabinet/routes/gift.py

@@ -375,15 +375,19 @@ async def create_gift_purchase(
 
             bot = create_bot()
 
-        payment_service = PaymentService(bot=bot)
-        payment_result = await payment_service.create_guest_payment(
-            db=db,
-            amount_kopeks=price_kopeks,
-            payment_method=body.payment_method,
-            description=f'Gift: {tariff.name} ({body.period_days}d)',
-            purchase_token=purchase.token,
-            return_url=return_url,
-        )
+        try:
+            payment_service = PaymentService(bot=bot)
+            payment_result = await payment_service.create_guest_payment(
+                db=db,
+                amount_kopeks=price_kopeks,
+                payment_method=body.payment_method,
+                description=f'Gift: {tariff.name} ({body.period_days}d)',
+                purchase_token=purchase.token,
+                return_url=return_url,
+            )
+        finally:
+            if bot:
+                await bot.session.close()
 
         if payment_result is None:
             await db.rollback()

app/cabinet/routes/wheel.py

@@ -249,6 +249,7 @@ async def create_stars_invoice(
 
     # Создаем invoice через Telegram Bot API
     try:
+        from aiogram.exceptions import TelegramAPIError
         from aiogram.types import LabeledPrice
 
         from app.bot_factory import create_bot
@@ -270,7 +271,7 @@ async def create_stars_invoice(
             stars_amount=stars_amount,
         )
 
-    except Exception as e:
+    except TelegramAPIError as e:
         logger.error('Error creating invoice', error=e)
         raise HTTPException(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,