Fix tar 'file changed as we read it' error

- Create archive in /tmp/deploy-build to avoid path conflicts
- Add --exclude='*.tar.gz' to prevent self-archiving
- Add --warning=no-file-changed to ignore harmless warnings
- Prevents Exit code 1 from tar file change detection

🤖 Generated with [Claude Code](https://claude.ai/code)

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

.github/workflows/deploy.yml

@@ -57,10 +57,12 @@ jobs:
             "ls -la /var/run/docker.sock && id"
 
       - name: Create deployment archive
-        run: tar czf deploy.tar.gz --exclude='.git' .
+        run: |
+          mkdir -p /tmp/deploy-build
+          tar czf /tmp/deploy-build/deploy.tar.gz --exclude='.git' --exclude='*.tar.gz' --warning=no-file-changed .
 
       - name: Copy archive to NAS
-        run: scp -o ConnectTimeout=10 -o ServerAliveInterval=60 -P ${{ secrets.NAS_PORT }} deploy.tar.gz admin@${{ secrets.NAS_HOST }}:/tmp/
+        run: scp -o ConnectTimeout=10 -o ServerAliveInterval=60 -P ${{ secrets.NAS_PORT }} /tmp/deploy-build/deploy.tar.gz admin@${{ secrets.NAS_HOST }}:/tmp/
 
       - name: Deploy with atomic swap
         run: |