[TheGreatAxios]

Closes CL-12014

On a pull request whose rules output is over 1 MiB, the judge failed every step with "the mail carries no request", including the report and the stop, so the manager waited for the judge until its deadline. Stock stores a mail part over 1 MiB by reference and leaves out its text, and the judge read only the text.

What changed

• The manager mails the judge the pull request as the body and the rules output as a rules.json attachment.
• The judge's mail triggers its run directly instead of an onTrigger body, because stock reads attachments only for a top-level agent step. Its first step, whose director makes no model call, replies with the attachment for the steps after it, within the judge's 15-minute step timeout.
• report and stop read only the body, so the judge reports and stops however the rest ended.
• report.test.ts is removed: the judge's workflow test covers judgeRequest, report and stop end to end.
• docs/ARCHITECTURE.md describes the judge's mail. The user manual describes nothing that changed.

Verified

• A new chain test runs a 40-file pull request whose rules output is over 1 MiB, through the real hub, sidecars and stock mail. On main the judge failed with "the mail carries no request" and the manager never stopped. With this change the judge asks the decision model every slice question, one verdict is posted, and the manager stops. A manager pass on this pull request takes about a minute (CL-12049), so the test waits up to 400 s.
• The judge's workflow test runs the definition through runLocal, with the rules director given the attachment. A new case shows a judge mailed without the rules reports "the judge did not finish" and stops.
• bun run check, bun run lint, tests/model, the triage-judge and triage-manager tests and the vendor-diff gate pass.

[linear-code]

CL-12014

[corbits-triage]

Triage: Pass

No changes needed from you. A maintainer will review this pull request.

Notes:

• Risk: medium (2 recently fixed files)