web: 管理画面のポートを3001に変更

- composeのwebを --port 3001 で起動し、ホスト側も3001に公開
- APIのCORS許可オリジン(WEB_ORIGIN)とconfig.tsのデフォルトを3001に追従

docker-compose.yml

@@ -77,7 +77,7 @@ services:
       AUTH_MODE: ${AUTH_MODE:-demo}
       PROCESS_INLINE: "false"
       PUBLIC_BASE_URL: ${PUBLIC_BASE_URL:-http://localhost:4000}
-      WEB_ORIGIN: ${WEB_ORIGIN:-http://localhost:3000}
+      WEB_ORIGIN: ${WEB_ORIGIN:-http://localhost:3001}
     ports:
       - "4000:4000"
     depends_on:
@@ -108,14 +108,13 @@ services:
 
   web:
     <<: *altdock-app
-    # vinext uses --hostname (not vite's --host) to bind the dev server.
-    command: npm run dev -- --hostname 0.0.0.0
+    # vinext uses --hostname/--port (not vite's --host) to bind the dev server.
+    command: npm run dev -- --hostname 0.0.0.0 --port 3001
     environment:
-      HOST: 0.0.0.0
       NEXT_PUBLIC_API_BASE_URL: ${NEXT_PUBLIC_API_BASE_URL:-http://localhost:4000}
       NEXT_PUBLIC_AUTH_MODE: ${AUTH_MODE:-demo}
     ports:
-      - "3000:3000"
+      - "3001:3001"
     depends_on:
       api:
         condition: service_started