CI / build + unit + e2e (pull_request) Successful in 2m36s
- shared: 8 MarkerTypes + MARKER_TYPE_INFO (label/color/glyph); MapMarker;
GameState.markers (required, [] at init); TurnResult.markers {add,remove};
MarkerSpec/MarkerInfo; FNV-1a 4-char markerId; MAX_MARKERS=400.
- data: new public/region-centroids.json (1,800 anchors = largest-part centroid
+ spread ~0.1x min-bbox) built by new idempotent scripts/build-region-centroids.mjs.
- server: regions.ts centroid loader (public/ then dist/); engine applyTurnResult
marker ops (remove -> owner-recompute -> add, jitter, cap, never throws);
prompt documents the contract; buildUserPrompt carries markers; stub marker-free.
- client: WorldMap symbol layer rendered as canvas per-type icons (glyph CDN dead);
hover tooltip shows name; click focuses owning nation.
- tests: 168 -> 189 (centroids script, regions centroids, db legacy, engine markers).