Feat: token validate api 호출 코드 수정

Author: dungbik

src/main/java/flipnote/apigateway/client/TokenValidationClient.java

@@ -1,6 +1,9 @@
 package flipnote.apigateway.client;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.MediaType;
 import org.springframework.stereotype.Component;
 import org.springframework.web.reactive.function.client.WebClient;
 import reactor.core.publisher.Mono;
@@ -19,12 +22,24 @@ public TokenValidationClient(@Value("${app.user-service.url}") String userServic
     public Mono<TokenValidationResponse> validateToken(String token) {
         return webClient.post()
                 .uri("/v1/auth/token/validate")
+                .contentType(MediaType.APPLICATION_JSON)
                 .bodyValue(new TokenValidationRequest(token))
                 .retrieve()
-                .bodyToMono(TokenValidationResponse.class);
+                .bodyToMono(new ParameterizedTypeReference<ApiResponse<TokenValidationResponse>>() {})
+                .map(ApiResponse::data);
     }
 
-    public record TokenValidationRequest(String token) {}
+    public record TokenValidationRequest(
+            @JsonProperty("token") String token) {}
 
-    public record TokenValidationResponse(Long userId, String email, String role) {}
+    public record TokenValidationResponse(
+            @JsonProperty("userId") Long userId,
+            @JsonProperty("email") String email,
+            @JsonProperty("role") String role) {}
+
+    public record ApiResponse<T>(
+            @JsonProperty("status") int status,
+            @JsonProperty("code") String code,
+            @JsonProperty("message") String message,
+            @JsonProperty("data") T data) {}
 }