feat: complete Tier 2 onboarding - KYC, Private Fleet, and Wallet creation fully functional

backend/app/core/security.py

@@ -1,8 +1,7 @@
-# /opt/docker/dev/service_finder/backend/app/core/security.py
 from datetime import datetime, timedelta, timezone
 from typing import Optional, Dict, Any
 import bcrypt
-from jose import jwt
+from jose import jwt, JWTError
 from app.core.config import settings
 
 def verify_password(plain_password: str, hashed_password: str) -> bool:
@@ -17,4 +16,12 @@ def create_access_token(data: Dict[str, Any], expires_delta: Optional[timedelta]
     to_encode = data.copy()
     expire = datetime.now(timezone.utc) + (expires_delta or timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES))
     to_encode.update({"exp": expire})
-    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+    return jwt.encode(to_encode, settings.SECRET_KEY, algorithm=settings.ALGORITHM)
+
+def decode_token(token: str) -> Optional[Dict[str, Any]]:
+    """JWT token visszafejtése és ellenőrzése."""
+    try:
+        payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+        return payload
+    except JWTError:
+        return None