v0.20.0

Changelog

Features

• 05eb11b feat(pipeline): implement manager loop handler — async child supervision with stop_condition and steering

Fixes

• f2660d9 fix(agent): address roborev findings — goroutine join, closed-channel drain, path traversal
• b1d5a7c fix(docs): close blockquote gap in README.md What's-new callouts
• e9f64f1 fix(llm): accurate cost estimation via catalog + cache token pricing
• 9022f63 fix(llm): accurate cost estimation via catalog + cache token pricing
• 61cffc9 fix(llm): update model catalog to April 2026 pricing and specs
• 5b537b0 fix(security): reject '..' path segments in ACP sandbox validation
• e1dffc0 fix: address PR #126 CodeRabbit + Copilot round 3
• 58e4d01 fix: address PR #126 CodeRabbit feedback
• 59ea5ed fix: address PR #126 Copilot feedback

Other

• 18a35aa Merge pull request #126 from 2389-research/feat/manager-loop-and-security-fixes
• a8bc2a2 Merge pull request #134 from 2389-research/release/v0.20.0
• dfc730e docs: add manager loop handler documentation
• e7b6bb5 release: v0.20.0 — manager loop handler, steering channel, catalog refresh