fix: chown /home/tao-shen after restore (old uid mapping)

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

entrypoint.py

@@ -408,6 +408,8 @@ def ensure_passwords():
     sh("usermod -aG sudo tao-shen 2>/dev/null || true")
     sh("echo 'tao-shen ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/tao-shen")
     sh("chmod 440 /etc/sudoers.d/tao-shen")
+    # Fix home dir ownership (restore may bring old uid mapping)
+    sh("chown tao-shen:tao-shen /home/tao-shen")
     # Copy root's SSH keys to tao-shen if needed
     if os.path.exists("/root/.ssh/authorized_keys"):
         sh("mkdir -p /home/tao-shen/.ssh")