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Jose Montes de Oca f7fa6770c4 chore: harden dependency installs and CI execution paths (#161)
Dependency installs and CI jobs both executed code this repo never
reviewed. This closes those paths without changing what anything
resolves to.

pnpm 9 ran every dependency's install lifecycle script and had no
allow-list model, so CI executed install hooks from the whole tree on
every PR. pnpm 10.34.5 blocks them by default and carries the fix for
the fail-open integrity check in CVE-2026-50021. minimumReleaseAge holds
freshly published versions out of resolution for 48 hours, the window in
which a registry compromise is typically caught and yanked.

The two `*` peer ranges in reactor-cli were the only place the workspace
opted out of range discipline: any future major satisfied them, including
a hijacked one. Both now carry carets on the versions already resolved,
and the README install lines are pinned to match, since a 0.x caret does
not cross the minor line.

Third-party actions take the commit SHA their movable tags resolved to,
with a monthly grouped Dependabot entry so those pins do not go stale.
GitHub-maintained actions stay on tags as a stated trust decision rather
than a claim that pinning them would buy nothing.

The benchmark jobs needed the most work, since they run an external
repository's code with five LLM provider keys in scope. Dispatch inputs
now travel through the step environment as quoted variables instead of
being interpolated into shell. The pi version is hardcoded rather than
dispatchable: npm accepts package sources after the `@` — an alias, a
repository, a tarball URL — so an input in that position chose a package
rather than a version. The remaining ref override is documented as an
operator escape hatch whose clone target is fixed.

The publish job holds a credential that can publish under our name and
installed npm at latest before using it. It now pins an exact version
above the floor OIDC trusted publishing requires, and fails at that step
if the pin does not take.

CI also fails on a tampered or unsigned tarball now, checked per
publishable package rather than once at the root where npm would only
see dev tooling. The advisory audit runs alongside it as a signal, not a
gate.

Nothing re-resolves: no version or integrity line in the lockfile moves.
2026-08-10 12:53:42 -04:00
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