feat: Implement core game logic, player script, and the Stop n Go game mode with its dedicated manager.

scenes/player.gd

@@ -935,12 +935,22 @@ func on_stop_phase_violation():
 	# New Indefinite Freeze until phase ends
 	rpc("sync_stop_freeze", true)
 	
-	# Scatter items
-	var items_to_scatter = []
+	# Scatter only 3 random items (User request)
+	var occupied_indices = []
 	for i in range(playerboard.size()):
 		if playerboard[i] != -1:
-			items_to_scatter.append(playerboard[i])
-			playerboard[i] = -1
+			occupied_indices.append(i)
+	
+	if occupied_indices.is_empty(): return
+	
+	occupied_indices.shuffle()
+	var scatter_count = min(occupied_indices.size(), 3)
+	var items_to_scatter = []
+	
+	for i in range(scatter_count):
+		var idx = occupied_indices[i]
+		items_to_scatter.append(playerboard[idx])
+		playerboard[idx] = -1
 	
 	rpc("sync_playerboard", playerboard)
 	
@@ -2006,7 +2016,10 @@ func _highlight_adjacent_playerboard_slots():
 
 @rpc("any_peer", "call_local", "reliable")
 func sync_rotation(new_rotation: float):
-	if not is_multiplayer_authority():
+	# Apply rotation if we are NOT the authority (syncing others)
+	# OR if the server (ID 1) is forcing a rotation (start of match)
+	var sender_id = multiplayer.get_remote_sender_id()
+	if not is_multiplayer_authority() or sender_id == 1:
 		rotation.y = new_rotation
 		if movement_manager:
 			movement_manager.target_rotation = new_rotation