Record the decision to adopt ReleaseKit

docs/adr/0001-releasekit.md

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+# ADR 0001: Adopt ReleaseKit for release management
+
+## Status
+
+Accepted.
+
+## Date
+
+2026-10-07
+
+## Context
+
+Audita maintains custom release scripts, build tooling, delivery configuration,
+and tests for mechanics shared across applications in the same suite.
+[ReleaseKit](https://gitea.maximumdirect.net/eric/ReleaseKit) provides a common implementation and standard workflow for
+those responsibilities.
+
+## Decision
+
+Adopt ReleaseKit for shared release validation, source publication, binary
+builds, version information, and hosted delivery. Audita will follow its standard
+workflow and supply product identity, delivery targets, release notes, and
+necessary product-specific checks.
+
+Better maintainability and less locally owned release-focused code outweigh any
+small advantage from retaining Audita's custom release procedure. Changes to
+that procedure are an accepted consequence of standardization.
+
+## Alternatives considered
+
+Retaining the custom procedure would preserve its exact behavior and local
+control. It would also retain responsibility for duplicated mechanics, tests,
+and maintenance across projects. The shared implementation offers greater
+long-term value.
+
+## Consequences
+
+Audita's release integration becomes smaller, with common mechanics and their
+tests maintained upstream. Audita benefits from shared fixes and takes on
+ReleaseKit dependency maintenance.
+
+Adoption requires updates to release tooling, CI wiring, documentation, and
+runtime version reporting. The [release policy](../policy/release.md) continues
+to govern compatibility and release completion; the
+[release procedure](../release.md) will describe the adopted workflow.