| Exceptions | |
|---|---|
| InvalidActorParameterValueException | Thrown when a value does not cast cleanly to its slot's `ParameterType` — e.g. a non-numeric string for an `Integer`… |
| ReservedSlotNameException | Thrown when a write targets a reserved slot name. `tenant`, `actor`, `now`, `at` are derived from `SdkContext`, never… |
| RetiredSlotException | Thrown when a write targets a slot that is registered in Core but absent or soft-deleted (`removed_at`) in the `sdk… |