refactor admin UX and stabilize shell

NGINX_CONFIG_GUIDE.md

@@ -25,7 +25,7 @@ sudo cat /etc/nginx/sites-available/taxbaik-domains.conf
 또는 특정 부분만:
 
 ```bash
-sudo grep -A 15 "location /taxbaik" /etc/nginx/sites-available/taxbaik-domains.conf
+sudo grep -A 15 "location /" /etc/nginx/sites-available/taxbaik-domains.conf
 ```
 
 ---
@@ -33,7 +33,7 @@ sudo grep -A 15 "location /taxbaik" /etc/nginx/sites-available/taxbaik-domains.c
 ## 📋 현재 설정 (변경 전)
 
 ```nginx
-location /taxbaik {
+location / {
     proxy_pass         http://127.0.0.1:5001;
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
@@ -55,7 +55,7 @@ location /taxbaik {
 
 ```diff
 - location /taxbaik {
-+ location /taxbaik/ {
++ location / {
 ```
 
 ### 변경 2: proxy_pass 수정
@@ -67,21 +67,15 @@ location /taxbaik {
 
 ### 변경 3: rewrite 규칙 추가
 
-```diff
-  location /taxbaik/ {
-      proxy_pass         http://127.0.0.1:5001/;
-+     rewrite ^/taxbaik/(.*)$ /$1 break;
-      proxy_http_version 1.1;
-```
+루트 프록시에서는 rewrite가 필요하지 않습니다.
 
 ---
 
 ## 📝 변경 후 최종 설정
 
 ```nginx
-location /taxbaik/ {
-    proxy_pass         http://127.0.0.1:5001/;
-    rewrite ^/taxbaik/(.*)$ /$1 break;
+location / {
+    proxy_pass         http://127.0.0.1:5001;
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
     proxy_set_header   Connection "Upgrade";
@@ -108,9 +102,8 @@ sudo cp /etc/nginx/sites-available/taxbaik-domains.conf /etc/nginx/sites-availab
 sudo nano /etc/nginx/sites-available/taxbaik-domains.conf
 
 # 3. 다음 변경사항 적용:
-#    - location /taxbaik { → location /taxbaik/ {
-#    - proxy_pass http://127.0.0.1:5001; → proxy_pass http://127.0.0.1:5001/;
-#    - proxy_pass 다음에 새 줄 추가: rewrite ^/taxbaik/(.*)$ /$1 break;
+#    - location /taxbaik { → location /
+#    - proxy_pass http://127.0.0.1:5001; → proxy_pass http://127.0.0.1:5001;
 
 # 4. 저장 후 종료
 #    Ctrl+X → Y → Enter
@@ -122,14 +115,11 @@ sudo nano /etc/nginx/sites-available/taxbaik-domains.conf
 # 백업
 sudo cp /etc/nginx/sites-available/taxbaik-domains.conf /etc/nginx/sites-available/taxbaik-domains.conf.backup
 
-# 변경 1: location /taxbaik → location /taxbaik/
-sudo sed -i 's/location \/taxbaik {/location \/taxbaik\/ {/g' /etc/nginx/sites-available/taxbaik-domains.conf
+# 변경 1: location / 유지
+sudo sed -i 's/location \/taxbaik {/location \//g' /etc/nginx/sites-available/taxbaik-domains.conf
 
-# 변경 2: proxy_pass 수정
-sudo sed -i 's|proxy_pass         http://127.0.0.1:5001;|proxy_pass         http://127.0.0.1:5001/;|g' /etc/nginx/sites-available/taxbaik-domains.conf
-
-# 변경 3: rewrite 규칙 추가
-# (이 부분은 수동으로 확인 후 추가하는 것이 권장됨)
+# 변경 2: proxy_pass 유지
+sudo sed -i 's|proxy_pass         http://127.0.0.1:5001/;|proxy_pass         http://127.0.0.1:5001;|g' /etc/nginx/sites-available/taxbaik-domains.conf
 ```
 
 ### 방법 3: Python 스크립트