factory-mergelisted

# factory-merge The user's accompanying request is this workflow's argument string. Wherever these instructions refer to `$ARGUMENTS`, interpret it as that request. Review and land the open PRs for this repository. My invoking this command is the human merge decision for routine changes — but the review must be real, and sensitive changes still come back to me. Interpret $ARGUMENTS as specific PR numbers or Linear issue IDs; default is every open PR in this repo (`gh pr list`, cross-checked against the team's `In Review` tickets so orphaned PRs and ticket-less PRs both surface). **Merge serialization & per-repo lock**: Merges are strictly serialized per repository. Never run concurrent merge supervisors or merge processes against the same repository; a merge run holds exclusive lock over merge execution for that repo to prevent race conditions where one process merges PRs another process has escalated or modified. `--include-escalated` is a one-off override used only by the foreground TUI's explicitly confirmed **merge all** action. It means the human has decided that existing `escalated` labels are not a hold for this run: include those PRs in the review and merge them when they otherwise meet the normal MERGE bar. Do not treat it as permission to merge with red CI, unresolved conflicts, a failing base/smoke check, or a blocking review finding. Do not apply this override merely because an escalated PR is visible; it must be present in `$ARGUMENTS`. ## Per PR, in this o