# Promptkit v0.15.0

This release adds error-only validation of a concrete prompt request without
calling a model. The minimum supported Go version remains 1.26.0.

## Validate A Concrete Request

`Engine.ValidateRequest` accepts an ordinary `RunRequest` and returns nil when
it passes preparation, or the existing preparation error. Consumers can use it
for fail-fast checks, including downstream CLI validation commands, without
receiving a prepared snapshot.

The method shares `Prepare`'s request conversion and preparation path. Unlike
requirements inspection, it checks the actual supplied values and bindings.
Artifact and schema resource I/O still occurs; success does not certify provider
acceptance or later execution success. A subsequent run prepares independently.
Validation is optional, not a required step before preparation or execution.

See the [request validation guide](../consumers/pkg-promptkit.md#validate-a-concrete-request)
and [GoDoc](../../engine.go) for usage and the exact contract. Consumers that
need execution tied to a checked snapshot can use the existing
[prepared execution workflow](../consumers/pkg-promptkit.md#prepare-now-and-execute-the-same-snapshot-later).

## Compatibility And Upgrade

No application-code, configuration, or Go-toolchain migration is required from
v0.14.0. This is an optional API addition; existing inspection, preparation, and
execution workflows remain available.

```sh
go get gitea.maximumdirect.net/eric/promptkit@v0.15.0
```

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