feat(ai-character): 관리자 API Phase 1 기반을 추가한다

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

@@ -1,12 +1,22 @@
 package kr.co.vividnext.sodalive.common
 
 import com.fasterxml.jackson.databind.ObjectMapper
+import io.jsonwebtoken.JwtException
+import org.springframework.security.authentication.BadCredentialsException
+import org.springframework.security.web.AuthenticationEntryPoint
+import org.springframework.security.web.util.matcher.RequestMatcher
 import org.springframework.web.filter.OncePerRequestFilter
+import org.springframework.web.servlet.HandlerExceptionResolver
 import javax.servlet.FilterChain
 import javax.servlet.http.HttpServletRequest
 import javax.servlet.http.HttpServletResponse
 
-class ExceptionHandlerFilter(private val objectMapper: ObjectMapper) : OncePerRequestFilter() {
+class ExceptionHandlerFilter(
+    private val objectMapper: ObjectMapper,
+    private val apiRequestMatcher: RequestMatcher,
+    private val apiAuthenticationEntryPoint: AuthenticationEntryPoint,
+    private val apiExceptionResolver: HandlerExceptionResolver
+) : OncePerRequestFilter() {
     override fun doFilterInternal(
         request: HttpServletRequest,
         response: HttpServletResponse,
@@ -15,6 +25,18 @@ class ExceptionHandlerFilter(private val objectMapper: ObjectMapper) : OncePerRe
         try {
             filterChain.doFilter(request, response)
         } catch (e: Exception) {
+            if (apiRequestMatcher.matches(request)) {
+                if (isAuthenticationFailure(e)) {
+                    val authenticationException = e as? BadCredentialsException
+                        ?: BadCredentialsException("Authentication failed", e)
+                    apiAuthenticationEntryPoint.commence(request, response, authenticationException)
+                } else {
+                    val resolved = apiExceptionResolver.resolveException(request, response, null, e)
+                    if (resolved == null) throw e
+                }
+                return
+            }
+
             response.status = 401
             response.contentType = "application/json"
             response.characterEncoding = "UTF-8"
@@ -23,4 +45,10 @@ class ExceptionHandlerFilter(private val objectMapper: ObjectMapper) : OncePerRe
             response.writer.write(json)
         }
     }
+
+    private fun isAuthenticationFailure(exception: Exception): Boolean {
+        return exception is JwtException ||
+            exception is BadCredentialsException ||
+            (exception is SodaException && exception.messageKey == "common.error.bad_credentials")
+    }
 }