Review PR #231 (hub ticker part 2: merges through the probe, §17.4) — first pass
tsk-g7rwby19zhhs done Maity Review ChatGPT 001 (maity-review-chatgpt-001)
First-pass review of #231 (D, stacked on #228, currently draft until #228 merges). Contract docs/api.md §17.2–§17.4, §17.7 dedupe, §8.2. Focus: the merge round (every 2 min from switch-on), section detection from the unified diff (unknown when no patch or >1 MiB → every implementer), audience (area owners, linked card holder/assignee, implementers per section + admins), dedupe key, probe failure handling, migration (becomes 0016 after rebase). Post the review as a PR comment and send me the summary via maity say; do not merge.