Implemented with Codex; task 1.5 run by the coordinator against the real
sources (S3 memory read-only).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Decisions: long-deadline arm (300 s), adoption needs no unseen regression
(Req 5.4), permissive repositories by name only, two AX lanes. Also adds the
trained-classifier and joint-optimisation arms to learned-decision-engine.
Co-Authored-By: Claude Opus 5.5 <[email protected]>