From e9c970422ae3a0b2fa80bf0635adf0ab18838085 Mon Sep 17 00:00:00 2001
From: kjh2064 <kjh2064@gmail.com>
Date: Wed, 8 Jul 2026 15:58:49 +0900
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## 변경사항
- CustomAuthenticationStateProvider: 예외 로깅 강화
  - GetAuthenticationStateAsync: 예외 타입, 메시지, 스택 트레이스 로깅
  - ValidateTokenWithoutDb: 토큰 검증 성공/실패 상세 로깅
  - 토큰 비어있음 체크 추가

## 목적
WASM 부팅 단계에서 발생하는 예외의 정확한 원인 파악

## 다음 단계
1. 상세 로그로 예외 원인 확인
2. 원인에 따라 수정 (API 호출 실패, 토큰 검증 오류 등)
3. WASM 부팅 성공 검증

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
---
 .../Services/CustomAuthenticationStateProvider.cs   | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs b/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs
index 6db091b..80c9265 100644
--- a/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs
+++ b/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs
@@ -71,7 +71,8 @@ public class CustomAuthenticationStateProvider : AuthenticationStateProvider
         }
         catch (Exception ex)
         {
-            _logger.LogError(ex, "인증 상태 조회 중 오류 발생");
+            _logger.LogError(ex, "❌ 인증 상태 조회 중 오류 발생: {ExceptionType} - {Message} - {StackTrace}",
+                ex.GetType().Name, ex.Message, ex.StackTrace);
             return new AuthenticationState(new ClaimsPrincipal(new ClaimsIdentity()));
         }
     }
@@ -80,13 +81,21 @@ public class CustomAuthenticationStateProvider : AuthenticationStateProvider
     {
         try
         {
+            if (string.IsNullOrEmpty(token))
+            {
+                _logger.LogWarning("❌ 토큰이 비어있습니다");
+                return null;
+            }
+
             var handler = new JwtSecurityTokenHandler();
             var jwtToken = handler.ReadJwtToken(token);
             var identity = new ClaimsIdentity(jwtToken.Claims, "jwt");
+            _logger.LogInformation("✅ 토큰 검증 성공: {Claims} claims", jwtToken.Claims.Count());
             return new ClaimsPrincipal(identity);
         }
-        catch
+        catch (Exception ex)
         {
+            _logger.LogError(ex, "❌ 토큰 검증 실패: {ExceptionType} - {Message}", ex.GetType().Name, ex.Message);
             return null;
         }
     }