# Promptkit v0.21.0

This minor release updates ConfigKit from v1.1.0 to v1.2.0, making main-relative
companion imports available through Promptkit's existing configuration-source
API. The Go consumer minimum remains 1.27.0.

## Main-Relative Companion Imports

Applications can bind a non-file underlay's declared imports to the selected
main configuration's filesystem context. For example, an application can load
prompt definitions from an adjacent `prompts/` directory without calculating
that directory before loading the main configuration.

Imports remain explicitly selected by the caller; the upgrade does not enable
automatic discovery. Imported prompt message files retain their source-local
context. The [consumer example](../consumers/pkg-promptkit.md#load-companion-prompts-relative-to-the-main-configuration)
shows collection mounting and YAML filename filtering. ConfigKit's
[layered-loading contract](https://forge.maximumdirect.net/base-layer/configkit/src/tag/v1.2.0/docs/config.md#layered-loading)
defines context selection and fallback behavior.

## Compatibility And Upgrade

Promptkit's exported methods and request shapes are unchanged. No configuration
format migration is required from v0.20.0. Applications constructing ConfigKit
`Input` or `LayeredOptions` with positional struct literals must switch to
field-named literals because those upstream types gained fields. See the
[ConfigKit release notes](https://forge.maximumdirect.net/base-layer/configkit/src/tag/v1.2.0/docs/releases/v1.2.0.md)
for upstream changes.

```sh
go get go.maximumdirect.net/promptkit@v0.21.0
```

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