New Features
Tmux Pane Management for Background Agents
- 2D Grid Layout: Background agent sessions now support 2D grid layout with intelligent divider-aware calculations
- Replace Action: New replace action prevents mass eviction when managing tmux panes
- State-First Architecture: Complete refactor with decision engine for reliable pane state management
Browser Automation Skills
- agent-browser: New browser automation skill for web scraping, testing, and interaction
- dev-browser: Browser automation with persistent page state, supports Windows
Enhanced Hooks
- Category-Skill Reminder: Reminds orchestrators about available categories and skills for delegation
- Sisyphus Junior Notepad: Conditional notepad rules injection for subagents
- Active Working Context: Compaction summary now includes active working context section
Model & Provider Improvements
- Connected Providers Cache: New cache for model availability tracking
- Explore Fallback: Added
github-copilot/gpt-5-minito explore agent fallback chain
Bug Fixes
- fix: generate skill/slashcommand descriptions synchronously when pre-provided (#1087)
- fix(tmux-subagent): enable 2D grid layout with divider-aware calculations
Documentation
- docs(agent-browser): add detailed installation guide with Playwright troubleshooting
- docs: regenerate AGENTS.md knowledge base
No notable changes