chore: bump version to v2.5.0

Author: dkmnx

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v2.5.0] - 2026-05-17
+
 ### Added
 
 - Pi harness support: `pi` is now a valid harness option alongside `claude` and `qwen` (`kairo harness set pi`, `--harness pi`)
@@ -1204,7 +1206,8 @@ This ensures secrets are stored as `PROVIDER_API_KEY` (e.g., `ZAI_API_KEY`) inst
 - goreleaser.yaml configuration
 - Install script for cross-platform installation
 
-[Unreleased]: https://github.com/dkmnx/kairo/compare/v2.4.1...HEAD
+[Unreleased]: https://github.com/dkmnx/kairo/compare/v2.5.0...HEAD
+[v2.5.0]: https://github.com/dkmnx/kairo/compare/v2.4.1...v2.5.0
 [2.4.1]: https://github.com/dkmnx/kairo/compare/v2.4.0...v2.4.1
 [2.4.0]: https://github.com/dkmnx/kairo/compare/v2.3.7...v2.4.0
 [2.3.7]: https://github.com/dkmnx/kairo/compare/v2.3.6...v2.3.7