Tooling and agents led today’s pulse: Datasette 1.0a35, Next.js canary tweaks, Anthropic’s Claude Code sandbox hardening, and new harnesses from Hugging Face/IBM and Simon Willison push practical developer workflows. On the infra side, Coinbase’s failover miss fuels reliability lessons, while a U.S. post‑quantum EO sets a 2030 migration clock and OpenAI leans into shared safety standards.