docs: sync wiki from 8c18ac3
docs: sync wiki from ff8cd22
docs: sync wiki from 53eeb13
Sync from repo docs @ 59bcfc1: verified 08-17 review, glbconv split-brain fix, baker cleanup, doc-truth fixes
Sync from master (de-ENC rename + district ground material)
Sync wiki from docs/ (donor-clip flight + turn ease, Editor-Tools, Headless-CLI; sidebar updated)
Sync wiki from docs/