update Tue 07/14/2026 16:07:05.30

README.md

@@ -33,11 +33,16 @@ positions and sizes, wander radius, calibration readouts. Marker print size stay
   color/rarity filters, optional time-of-day windows, crossfade in/out.
 - **Behaviors**: static float (bob + idle sway) or wander (deterministic orbit-drift —
   a pure function of server spawn record + wall clock, so every phone computes the
-  same motion with zero position streaming).
+  same motion with zero position streaming). Wander is 3D: horizontal radius plus a
+  configurable vertical amplitude (`wanderVertical`, cm).
 - **Anchors ("Newbury Crests")**: flat (horizontal) / wall (vertical) / custom mounts,
   fully editable — position, yaw/pitch/roll trim, printed size, enable toggle.
-- **Layout editor** (`/admin/layout.html`): to-scale top-down canvas; drag anchors,
-  occlusion buildings, and spawn points; property panel; 5 mm snap; save/reset-to-seed.
+- **3D layout editor** (`/admin/layout.html`): Three.js orbit view with drag gizmos
+  (5 mm snap, green arrow = height) for anchors, occlusion buildings, and spawn points —
+  spawn Y is fully editable so ghosts can live at any height. Anchors render through the
+  exact same `anchorWorldMatrix` the AR pipeline uses, each with a white orientation arrow;
+  compass rose on the grid (N = +Z = back of table). Top-view button, property panel,
+  save/reset-to-seed.
 - **Playlist manager** (`/admin/playlist.html`), **crest print sheet** (`/admin/print.html`,
   true-to-size), **calibration** (`/admin/calibrate.html`: live distance/angle/jitter +
   fused pose), **client error log** (`/admin/errors.html`).