Enhance authentication logging and update MyBatis configuration

src/main/java/com/gameplatform/server/controller/auth/AuthController.java

@@ -4,6 +4,8 @@ import com.gameplatform.server.model.dto.auth.LoginRequest;
 import com.gameplatform.server.model.dto.auth.LoginResponse;
 import com.gameplatform.server.security.JwtService;
 import io.jsonwebtoken.Claims;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import jakarta.validation.Valid;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
@@ -13,6 +15,7 @@ import reactor.core.publisher.Mono;
 @RestController
 @RequestMapping("/api/auth")
 public class AuthController {
+    private static final Logger log = LoggerFactory.getLogger(AuthController.class);
 
     private final com.gameplatform.server.service.auth.AuthService authService;
     private final JwtService jwtService;
@@ -25,6 +28,7 @@ public class AuthController {
     @PostMapping("/login")
     @ResponseStatus(HttpStatus.OK)
     public Mono<LoginResponse> login(@Valid @RequestBody LoginRequest req) {
+        log.info("/api/auth/login called username={}", req.getUsername());
         return authService.login(req);
     }
 
@@ -32,6 +36,7 @@ public class AuthController {
     public Mono<Object> me(@RequestHeader(HttpHeaders.AUTHORIZATION) String authorization) {
         String token = authorization != null && authorization.startsWith("Bearer ") ? authorization.substring(7) : authorization;
         return Mono.fromCallable(() -> jwtService.parse(token))
+                .doOnError(e -> log.warn("/api/auth/me parse token error: {}", e.toString()))
                 .map(this::claimsToMe);
     }