The comment above the corepack prepare line now starts with the
version and the date the pin was taken, as REPO_POLICIES.md asks for
every reference pinned by hash.
Model: opus-5-5
web/yarn.lock replaces web/package-lock.json. yarn import converted
it, so it locks the same package versions with the same integrity
hashes. The web-builder stage pins yarn 1.22.22, the version
script/bootstrap pins, by its sha512 through corepack, and installs
with yarn install --frozen-lockfile. web/build.sh runs the esbuild
that yarn installed rather than npx or an esbuild found on the PATH.
Model: opus-5-5