fix refresh token

main.py

@@ -11,6 +11,7 @@ from app.services.promo import PromoService
 from app.webhooks import telegram
 from app.db.database import users_collection
 from app.api import marketplace_ws
+from app.db.database import users_collection, sessions_collection
 
 
 ###################### БОТ ######################
@@ -23,6 +24,12 @@ WEBHOOK_SECRET = os.getenv("TELEGRAM_WEBHOOK_SECRET", "")
 async def lifespan(app: FastAPI):
     # ===== STARTUP =====
     
+    # TTL для сессий (автоочистка)
+    await sessions_collection.create_index(
+        "expires_at",
+        expireAfterSeconds=0
+    )
+    
     await users_collection.create_index("expires_at", expireAfterSeconds=0)
     await users_collection.create_index("telegram_user_id", unique=True, sparse=True)