Gauntlet UI fixes and cleanser improvements

scenes/player.gd

@@ -1054,6 +1054,16 @@ func apply_slow_effect(duration: float = 3.0):
 	
 	print("Player %s is slowed for %.1f seconds" % [name, duration])
 
+@rpc("any_peer", "call_local")
+@rpc("any_peer", "call_local")
+func remove_slow_effect():
+	slow_timer = 0.0
+	self.is_slowed = false
+	if movement_manager:
+		# INSTANT response: restore speed multiplier to 1.0 immediately
+		movement_manager.set_speed_multiplier(1.0)
+	print("Player %s slow effect removed early" % name)
+
 func playerboard_is_empty() -> bool:
 	for item in playerboard:
 		if item != -1:
@@ -1131,6 +1141,16 @@ func _find_valid_drop_position() -> Vector2i:
 		var item_cell = Vector3i(pos.x, 1, pos.y)
 		if enhanced_gridmap.get_cell_item(item_cell) == -1:
 			if not is_position_occupied(pos):
+				# Gauntlet Mode explicit overrides
+				var gm = null
+				var main_gauntlet = get_tree().root.get_node_or_null("Main")
+				if main_gauntlet and main_gauntlet.get("gauntlet_manager"):
+					gm = main_gauntlet.gauntlet_manager
+				if gm and gm.is_active:
+					if pos.x == 0 or pos.x == gm.ARENA_COLUMNS - 1 or pos.y == 0 or pos.y == gm.ARENA_ROWS - 1:
+						continue
+					if gm._is_npc_zone(pos):
+						continue
 				return pos
 					
 	return Vector2i(-1, -1)