Publish posts that missed their time while paused

Publishes now the posts a resume listed in missed_post_ids. Never automatic: requires posts:write, admin or higher, and confirm: true after the person agreed (400 confirmation_required without it). Each post is checked again (still in this workspace, no longer held, eligible to publish, not already published) and claimed once, so repeating the call cannot publish a post twice. Posts that do not qualify are counted in skipped and stay paused. Answers 402 billing_write_blocked, publishing nothing, when billing blocks publishing.