Optimize hot paths and reuse HTTP sessions

app/features/weather.py

@@ -7,6 +7,7 @@ import requests
 from datetime import datetime
 from ..core.config import WEATHER_LAT, WEATHER_LON, WEATHER_CITY
 
+_HTTP = requests.Session()
 def get_wmo_description(code: int) -> str:
     """Decodes WMO weather code to Russian description."""
     codes = {
@@ -348,7 +349,7 @@ def get_coordinates_by_city(city_name: str) -> tuple:
                 "format": "json"
             }
             
-            response = requests.get(geocode_url, params=params, timeout=10)
+            response = _HTTP.get(geocode_url, params=params, timeout=10)
             response.raise_for_status()
             data = response.json()
             
@@ -403,7 +404,7 @@ def get_weather_report(requested_city: str = None) -> str:
     }
 
     try:
-        response = requests.get(url, params=params, timeout=10)
+        response = _HTTP.get(url, params=params, timeout=10)
         response.raise_for_status()
         data = response.json()