feat: add Evotor OAuth connection feature with formatted phone input

- Add EvotorConnection model to store user's Evotor access tokens
- Implement OAuth 2.0 flow: /evotor (view), /evotor/connect, /evotor/callback, /evotor/disconnect
- Add Evotor connection page with connected/disconnected states
- Implement phone input masking (+7 (XXX) XXX-XX-XX) using Inputmask
- Add Russian validation messages for form fields
- Update phone validator to match masked format
- Add httpx dependency for async OAuth token exchange
- Add Evotor settings to config: CLIENT_ID, CLIENT_SECRET, SCOPES

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

web/schemas.py

@@ -11,8 +11,8 @@ def validate_registration(data: dict) -> list[str]:
     if not email or not re.match(r"^[^@]+@[^@]+\.[^@]+$", email):
         errors.append("Введите корректный email")
     phone = data.get("phone", "").strip()
-    if not phone or not re.match(r"^\+?[\d\s\-()]{7,20}$", phone):
-        errors.append("Введите корректный телефон")
+    if not phone or not re.match(r"^\+7 \(\d{3}\) \d{3}-\d{2}-\d{2}$", phone):
+        errors.append("Введите телефон в формате +7 (XXX) XXX-XX-XX")
     password = data.get("password", "")
     if len(password) < 8:
         errors.append("Пароль должен быть не менее 8 символов")
@@ -47,6 +47,6 @@ def validate_profile(data: dict) -> list[str]:
     if not data.get("last_name", "").strip():
         errors.append("Введите фамилию")
     phone = data.get("phone", "").strip()
-    if not phone or not re.match(r"^\+?[\d\s\-()]{7,20}$", phone):
-        errors.append("Введите корректный телефон")
+    if not phone or not re.match(r"^\+7 \(\d{3}\) \d{3}-\d{2}-\d{2}$", phone):
+        errors.append("Введите телефон в формате +7 (XXX) XXX-XX-XX")
     return errors