The dispatch.mjs + decompose.mjs error handlers grew an image-not-
found hint in cd0a332 but the macOS keychain hint that the earlier
commit's message claimed wasn't actually applied (the Edit tool
required re-reading those files post-commit).
This commit applies the keychain hint to both error handlers: when
the sandcastle error matches /Not logged in|Please run \/login/ AND
process.platform === "darwin", the dispatcher prints the
`security find-generic-password ... > ~/.claude/.credentials.json`
one-liner + chmod 600 + the API-key fallback inline above the
generic "See runbook" line.
Now future agents hitting this on macOS see the fix at the failure
site, not just in docs.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Danijel Martinek
9d4b801909