feat: Introduce core player movement manager with grid-based movement, player pushing mechanics, and initial bot control and strategic planning.

scripts/managers/player_movement_manager.gd

@@ -50,17 +50,7 @@ func _can_rpc() -> bool:
 
 func simple_move_to(grid_position: Vector2i) -> bool:
 	if is_moving:
-		# Check if we are already moving to this position or if it's already queued
-		var current_target = player.target_position
-		if movement_queue.is_empty():
-			if current_target == grid_position:
-				return false
-		elif movement_queue[-1] == grid_position:
-			return false
-			
-		if movement_queue.size() < 1: # Buffer at most 1 future move
-			movement_queue.append(grid_position)
-		return true
+		return false
 		
 	if not player.is_multiplayer_authority():
 		print("[Move] Failed: Not authority for %s (Authority: %d, My Peer: %d)" % [player.name, player.get_multiplayer_authority(), player.multiplayer.get_unique_id()])