Re-verify Teikari article quotes and GDC speaker, soften unsourced
claims (lessons 01, 06, 07, 10), add course-simplification bullets to
lesson 07's differs box, qualify OPEN obstruction wording in research,
and add tools/check-links.mjs (report-only) with npm run check:links.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Module 9 lesson, scenarios, tests (8, both tracks), reference engines
(TURN phase list, conversion, content-registered hazards, win/lost),
WEAK Expansion Drop, harness.md M9 semantics, research notes (WEAK page,
baba-is-auto Game::MovePlayer, X IS NOT X placement reading).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Movement planned in full, then committed: a Planner builds a plan
(moving and destroyed ids) by running content's movement responses
(OPEN/SHUT, PUSH, STOP) for every step, rolling back failed branches.
Edge of level blocks; YOU objects move furthest-ahead first; rules are
reparsed once after movement. Harness: move/move_dir(Dir), posOf,
kindsAt. Expansion Drop: PULL as one word plus one content response.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>