v0.85.1

Installation

# Bun / npm
bun add -g @mark3labs/kit
# or: npm install -g @mark3labs/kit

# Go install (requires Go 1.26+)
go install github.com/mark3labs/kit/cmd/kit@latest

# Or download from assets below

Changelog

Features

• b0afae0: feat(agents): named agent definitions with per-agent tool restrictions (#84) (@ezynda3)
• 91bd928: feat(compaction): adaptive budgets, full-part token estimation, anchored summaries (#83) (@ezynda3)
• 9d14019: feat(compaction): auto-compact and retry on context overflow errors (#85) (@ezynda3)
• 6f82962: feat(hooks): expose per-step ToolChoice via OnPrepareStep (@giltine)
• a81d2cf: feat(subagent): link child sessions to parent and support resume (#87) (@ezynda3)

Bug Fixes

• e0baa37: fix(agents): deep-copy agent getters, wire --no-agents flag, clarify tools contract (#84) (@ezynda3)
• 0f18a61: fix(compaction): address coderabbit review on overflow recovery (#85) (@ezynda3)
• 11bd559: fix(compaction): preserve API token baseline after compaction (@ezynda3)
• 0b4ba98: fix(extbridge): preserve run error and fire OnComplete on nil subagent result (@ezynda3)
• 1abeca8: fix(extensions): implement non-blocking subagent spawn with usable handle (#86) (@ezynda3)
• 98e5df0: fix(session): address CodeRabbit review on subagent session linking (#87) (@ezynda3)
• b4e847f: fix(session): fsync temp file before rename in SetParentLink (@ezynda3)
• 9abd091: fix: normalize .wav MIME type to audio/wav ( <>)

Documentation

• 8e4447a: docs(agents): note allowlist intersection on SubagentConfig.Tools (#84) (@ezynda3)

Maintenance

• 3b3de18: chore(deps): update go dependencies and models.dev snapshot (@ezynda3)
• 8c0d62b: chore(deps): update go dependencies and models.dev snapshot (@ezynda3)
• eaec327: chore(prompts): add /resolve-reviews bot-review polling loop (@ezynda3)

Other Changes

• 705fcd4: perf(ui): fix memory leaks, deadlocks, and hot-path rendering costs (@ezynda3)