Per request: a screenshot difference shouldn't fail CI; the Discord post is the
signal. Revert the enforcing gate (3efcdcf): drop `--fail-on-change` + the
exit-status gating and restore `continue-on-error` on the on-success report step
(compare.ts exits 0 without the flag). Remove the now-moot fail-notice guard.
Build/e2e failures still post the "CI failed" notice; changed/added/removed still
post the captioned Discord report + perf.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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