IMPORTANT: You MUST read ./docs/development.md and ./docs/docs-overview.md for project
documentation. (This project uses Speculate project structure.)

IMPORTANT: Before adding or upgrading any dependency, follow the install rules in
./SUPPLY-CHAIN-SECURITY.md (14-day cool-off, no unthinking installs, audit after each
install). Deeper background: `tbd guidelines supply-chain-hardening`.