feat(maze): shrink map and rebalance compact gameplay

docs/OBSERVER_UI.md

@@ -14,7 +14,7 @@ simulate movements or infer updates. Each player status also reflects the
 server-owned WebSocket connection state. A complete projection establishes the
 server-approved static geometry on join, restoration, and match start.
 Subsequent bounded projections replace all dynamic player and object state
-while reusing only that authoritative geometry, avoiding an 8,192-cell
+while reusing only that authoritative geometry, avoiding a 1,024-cell
 retransmission after every move.
 
 The observer screen contains no movement, start, or drop-key control. This is
@@ -25,7 +25,7 @@ pauses the game.
 
 ## Viewport and navigation
 
-At `1024 x 768` CSS pixels and above, the complete `128 x 64` default map is
+At `1024 x 768` CSS pixels and above, the complete `32 x 32` default map is
 initially scaled to fit the available stage. The observer can zoom with the
 labelled buttons or mouse wheel and pan with pointer dragging. Zoom is bounded
 between 0.25 and 6 times the eight-pixel base cell size; the **Вся карта**