Enhance authentication logging and update MyBatis configuration

src/main/java/com/gameplatform/server/security/JwtService.java

@@ -4,6 +4,8 @@ import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
 import io.jsonwebtoken.io.Decoders;
 import io.jsonwebtoken.security.Keys;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
@@ -15,7 +17,7 @@ import java.util.Map;
 
 @Component
 public class JwtService {
-
+    private static final Logger log = LoggerFactory.getLogger(JwtService.class);
     private final SecretKey key;
     private final long accessTokenMinutes;
 
@@ -39,11 +41,14 @@ public class JwtService {
         if (extra != null) {
             extra.forEach(builder::claim);
         }
-        return builder.signWith(key, SignatureAlgorithm.HS256).compact();
+        String token = builder.signWith(key, SignatureAlgorithm.HS256).compact();
+        if (log.isDebugEnabled()) {
+            log.debug("JWT generated subject={}, userType={}, userId={}, username={} expInMin={}", subject, userType, userId, username, accessTokenMinutes);
+        }
+        return token;
     }
 
     public io.jsonwebtoken.Claims parse(String token) {
         return Jwts.parserBuilder().setSigningKey(key).build().parseClaimsJws(token).getBody();
     }
 }
-