v0.5.19 — Agent Templates, more runtimes, visible Context impact

Highlights

• Discover and adopt official Agent Templates that bring curated instructions, Skills, MCP integrations, and starter responsibilities into new or existing agents.
• Choose from three additional agent runtimes—OpenCode, Grok Build, and Pi—with provider-aware setup, session handling, and recovery.
• Use BYO Context in the current session and across multiple Teams, with scoped routing, exact apply commands, and visible notes showing how Context Tree decisions influenced an answer.
• Let repository-scoped task agents automatically handle supported GitHub Issue and pull-request activity without requiring mentions or assignments.
• Move through a smoother first-chat Orientation, clearer Agent Details, and a Need you queue that resolves requests inside their original chats.

Notable fixes

• Preserved portable-install identity and tightened managed/BYO Context handoffs so sessions stay on the intended Team and channel.
• Kept Kimi background work alive through turn completion and fixed bundled SDK paths in npm packages.
• Avoided automatic provider discovery in macOS protected folders and hardened runtime session recovery and cleanup.
• Improved Chat Summary hierarchy and reading width, composer mentions, working-turn timers, and chat token-usage performance.