feat: Introduce a new modular bot AI system for decision-making, movement, and actions.

scripts/managers/portal_mode_manager.gd

@@ -94,6 +94,13 @@ func _activate_hud():
 		hud_layer.visible = true
 	_update_hud_visuals()
 
+func activate_client_side():
+	"""Called on clients to show HUD and prepare local state."""
+	print("[PortalModeManager] Activating client-side HUD")
+	_activate_hud()
+	# Initial update to catch any missed goal counts
+	_update_hud_visuals()
+
 func setup_arena_locally():
 	"""Sets up GridMap size and walls. Called on host and clients."""
 	if arena_setup_done:
@@ -405,6 +412,7 @@ func _on_global_goal_count_updated(_peer_id: int, _count: int):
 	pass
 
 func _on_goal_count_updated(peer_id: int, _count: int):
+	# Update HUD if relevant (always check if it's the local player whose count changed)
 	if peer_id == multiplayer.get_unique_id():
 		_update_hud_visuals()