Document top-down and bottom-up writing, lazy title/abstractor/visual that
persist after generation, and per-field regenerate plus lock. Wire into
capability model and stage-1 notes.
Persist capability/feature vocabulary, v0 model, and founder stage-1 must set
(onboarding, spaces/pages with Title/Abstract/Visual, page copy and transfer).
Mark CSOC-WP-0001-T03 done; add CSOC-WP-0006 for implementation.
