ship-log-draft

Friday 16:00 CT auto-draft of the weekly ship log. Aggregates 7 days of git commits + auto-promoted skills + postmortems + improvement-queue entries into data/ship-log/<date>-draft.md. Voice-gates (advisory, score 70+) and scrubber-checks (HARD gate). Telegrams Cooper to fill the "What I learned" paragraph before running ship-log-publish.