* chore(scripts): end failing oxlint runs with a stable status line
A crashed run-oxlint wrapper printed only a stack trace, and a lint
invocation whose output was truncated (cmd | tail -N) read as success —
which recently let a wrapper crash (stale node_modules after a dep-adding
merge) masquerade as a clean lint. Route the CLI entry through a small
wrapper that converts crashes into exit 1 and ends every failing run
with '[oxlint] FAILED (exit N)' as the final line.
* chore(scripts): declare runOxlintCliEntry in the script declaration contract
check-guards verifies .d.mts contracts against .mjs exports and
check-test-types consumes them; the new entry export needed both the
declaration and explicit log-parameter annotations in the test.
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