fix: cd /tmp before uv run to avoid /root/uv.toml permission error

sudo -u infra_service inherits the working dir (/root), causing uv to
fail reading /root/uv.toml. Running from /tmp avoids the permission issue.

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

bootstrap.sh

@@ -152,8 +152,8 @@ recover_project() {
     fi
 
     log "Recovering: ${containers[*]}"
-    sudo -u "${SERVICE_USER}" \
-        "${UV}" run /tmp/server-infra-autocompose.py "${containers[@]}" > "${outfile}"
+    (cd /tmp && sudo -u "${SERVICE_USER}" \
+        "${UV}" run /tmp/server-infra-autocompose.py "${containers[@]}") > "${outfile}"
     log "  Saved to ${outfile}"
 }