buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c set -eux; export PATH=\"/home/lpb/.npm-global/bin:${PATH}\"; npm install -g @earendil-works/pi-coding-agent@${PI_VERSION}; pi --version || (echo \"FATAL: pi binary not functional\" && exit 1); [ \"$(node -p \"require('/home/lpb/.npm-global/lib/node_modules/@earendil-works/pi-coding-agent/package.json').version\")\" = \"${PI_VERSION}\" ] || (echo \"FATAL: installed pi version != ${PI_VERSION}\" && exit 1); ls -la /home/lpb/.npm-global/bin/" did not complete successfully: exit code: 2