Enable corepack and PNPM_HOME in container, switch all npm/npx invocations to pnpm/pnpm exec. Use wildcard COPY for optional pnpm-lock.yaml in agent-runner.
Enable corepack and PNPM_HOME in container, switch all npm/npx invocations to pnpm/pnpm exec. Use wildcard COPY for optional pnpm-lock.yaml in agent-runner.