v0.87.0

What's Changed

• feat(tool-proxy): add prefixed MCP proxy tools by @Wh1isper in #288
• refactor(tool-proxy): remove legacy state migration by @Wh1isper in #289
• fix(yaacli): restore AGUI tool durations by @Wh1isper in #291
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #290

Full Changelog: v0.86.0...v0.87.0