fix: scp-action Docker 방식 → 직접 scp 명령으로 변경

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/deploy.yml

@@ -25,12 +25,9 @@ jobs:
         run: npm run build
 
       - name: Deploy via SCP
-        uses: appleboy/scp-action@v0.1.7
-        with:
-          host: ${{ secrets.SSH_HOST }}
-          port: ${{ secrets.SSH_PORT }}
-          username: root
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
-          source: dist/*
-          target: /var/www/proto.bodalab.diffthink.kr/
-          strip_components: 1
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
+          chmod 600 ~/.ssh/deploy_key
+          ssh-keyscan -p ${{ secrets.SSH_PORT }} -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
+          scp -P ${{ secrets.SSH_PORT }} -i ~/.ssh/deploy_key -r dist/* root@${{ secrets.SSH_HOST }}:/var/www/proto.bodalab.diffthink.kr/