revert(ai-character): 기존 관리자 기능 기반을 제거한다

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

@@ -1,12 +1,9 @@
 package kr.co.vividnext.sodalive.common
 
-import org.springframework.http.HttpStatus
-
 class SodaException(
     message: String? = null,
     val errorProperty: String? = null,
-    val messageKey: String? = null,
-    val httpStatus: HttpStatus? = null
+    val messageKey: String? = null
 ) : RuntimeException(message)
 
 class AdsChargeException(

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

@@ -6,7 +6,6 @@ import kr.co.vividnext.sodalive.i18n.SodaMessageSource
 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
@@ -14,9 +13,7 @@ import org.springframework.web.bind.annotation.ExceptionHandler
 import org.springframework.web.bind.annotation.ResponseStatus
 import org.springframework.web.bind.annotation.RestControllerAdvice
 import org.springframework.web.multipart.MaxUploadSizeExceededException
-import org.springframework.web.multipart.MultipartException
 import org.springframework.web.server.ResponseStatusException
-import javax.servlet.http.HttpServletRequest
 
 @RestControllerAdvice
 class SodaExceptionHandler(
@@ -41,25 +38,12 @@ class SodaExceptionHandler(
         )
     }
 
-    @ExceptionHandler(MaxUploadSizeExceededException::class, MultipartException::class)
-    fun handleMultipartException(e: MultipartException, request: HttpServletRequest) = run {
-        val isAiCharacterAdminPath = isAiCharacterAdminPath(request.requestURI)
-        val messageKey = if (e is MaxUploadSizeExceededException) {
-            "common.error.max_upload_size"
-        } else if (isAiCharacterAdminPath) {
-            "common.error.invalid_request"
-        } else {
-            "common.error.unknown"
-        }
-        val logMessage = messageSource.getMessage(messageKey, logLang)
+    @ExceptionHandler(MaxUploadSizeExceededException::class)
+    fun handleMaxUploadSizeExceededException(e: MaxUploadSizeExceededException) = run {
+        val logMessage = messageSource.getMessage("common.error.max_upload_size", logLang)
         logger.error("API error: {}", logMessage, e)
-        val message = messageSource.getMessage(messageKey, langContext.lang)
-        val body = ApiResponse.error(message = message)
-        if (isAiCharacterAdminPath) {
-            ResponseEntity.status(HttpStatus.BAD_REQUEST).body(body)
-        } else {
-            body
-        }
+        val message = messageSource.getMessage("common.error.max_upload_size", langContext.lang)
+        ApiResponse.error(message = message)
     }
 
     @ExceptionHandler(AccessDeniedException::class)
@@ -115,12 +99,4 @@ class SodaExceptionHandler(
         val message = messageSource.getMessage("common.error.unknown", langContext.lang)
         ApiResponse.error(message)
     }
-
-    private fun isAiCharacterAdminPath(requestUri: String): Boolean {
-        return requestUri == AI_CHARACTER_ADMIN_PATH_PREFIX || requestUri.startsWith("$AI_CHARACTER_ADMIN_PATH_PREFIX/")
-    }
-
-    companion object {
-        private const val AI_CHARACTER_ADMIN_PATH_PREFIX = "/admin/ai-characters"
-    }
 }