docs: describe ordered setup placements

Document that setup is an ordered list of placements, each moving its parts to a path, in the format reference and the tabletop plan.
2026-08-10 11:27:56 +08:00
parent dc721d5c2d
commit 77e0751554
2 changed files with 13 additions and 8 deletions
@@ -101,8 +101,8 @@ interface PartState {
 ### 4. Setup seeding (`setup.ts`) ✅

 - `SetupLoader`: side-effect-only component that seeds the store from a
-  `Setup` — enables its `surfaces` (or all when omitted) and places parts on
-  `setup` paths.
+  `Setup` — enables its `surfaces` (or all when omitted) and applies its
+  ordered `setup` placements (each moves its `parts` to a `path`).
 - `setup` value expansion: a bare `type` (no id) expands to all parts of that
  type (documented in `bgm-format.md` §3; the loader doesn't do this — it's a
  game-state init concern, so it lives here).