fix: Payverse Webhook 엔드포인트에서 실제 클라이언트 IP를 가져올 수 있도록 수정

- 기본 에러 JSON 반환 유지

src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt

@@ -59,7 +59,12 @@ class ChargeController(
         @RequestBody request: PayverseWebhookRequest,
         servletRequest: HttpServletRequest
     ): PayverseWebhookResponse {
-        val remoteIp = servletRequest.remoteAddr ?: ""
+        val header = servletRequest.getHeader("X-Forwarded-For")
+        val remoteIp = if (header.isNullOrEmpty()) {
+            servletRequest.remoteAddr
+        } else {
+            header.split(",")[0].trim() // 첫 번째 값이 클라이언트 IP
+        }
 
         print("Payverse Webhook Request: $remoteIp")
         print("Payverse Webhook Request: $payverseInboundIp")

src/main/kotlin/kr/co/vividnext/sodalive/common/SodaExceptionHandler.kt

@@ -3,7 +3,6 @@ package kr.co.vividnext.sodalive.common
 import org.slf4j.LoggerFactory
 import org.springframework.dao.DataIntegrityViolationException
 import org.springframework.http.HttpStatus
-import org.springframework.http.ResponseEntity
 import org.springframework.security.access.AccessDeniedException
 import org.springframework.security.authentication.BadCredentialsException
 import org.springframework.security.authentication.InternalAuthenticationServiceException
@@ -26,13 +25,6 @@ class SodaExceptionHandler {
         )
     }
 
-    // ResponseStatusException은 ApiResponse로 래핑하지 않고 그대로 전달
-    @ExceptionHandler(ResponseStatusException::class)
-    fun handleResponseStatusException(e: ResponseStatusException): ResponseEntity<Void> {
-        // 별도 바디 없이 상태코드만 반환하여 기본 예외 형태를 유지
-        return ResponseEntity.status(e.status).build()
-    }
-
     @ExceptionHandler(MaxUploadSizeExceededException::class)
     fun handleMaxUploadSizeExceededException(e: MaxUploadSizeExceededException) = run {
         logger.error("API error", e)
@@ -72,6 +64,7 @@ class SodaExceptionHandler {
 
     @ExceptionHandler(Exception::class)
     fun handleException(e: Exception) = run {
+        if (e is ResponseStatusException) throw e
         logger.error("API error", e)
         ApiResponse.error("알 수 없는 오류가 발생했습니다. 다시 시도해 주세요.")
     }

src/main/resources/application.yml

@@ -1,6 +1,7 @@
 server:
     shutdown: graceful
     env: ${SERVER_ENV}
+    forward-headers-strategy: framework
 
 logging:
     level: