feat(ui): consolidate secondary controls in settings menu

docs/PLAYER_UI.md

@@ -56,6 +56,16 @@ a maze boundary, and is recalculated on resize and rotation.
 
 ## Feedback and message rail
 
+## Compact settings
+
+The persistent gear button beside the connection indicator opens one compact
+popover. It shows live connection details and Wi-Fi settings on every screen.
+During an active player match it additionally provides sound, reduced-motion,
+and optional-help controls with visible Russian on/off labels. Opening or
+closing this presentation-only menu never sends a command or changes server
+state. Escape and outside activation dismiss it; player actions also close it
+before opening their existing destination.
+
 The browser stores the direction for each outstanding move request. A matching
 server `blocked` rejection may include only that player's approved breakthrough
 stage, which bends the already rendered bush wall for at most 340 ms without