pylabrobot.liquid_handling.liquid_handler.LiquidHandler.probe_tip_presence_via_pickup# async LiquidHandler.probe_tip_presence_via_pickup(tip_spots: List[TipSpot], use_channels: List[int] | None = None) → Dict[str, bool]# Probe tip presence by attempting pickup on each TipSpot. Parameters: tip_spots (List[TipSpot]) – TipSpots to probe. use_channels (List[int] | None) – Channels to use (must match tip_spots length). Returns: Dict[str, bool] – Mapping of tip spot names to presence flags. Return type: Dict[str, bool]