Core
Bugfixes
- Kept HTTP event streams open after the initial connect event so subscribers continue receiving instance updates.
- Returned proper busy errors when a session is already running prompt or shell work.
- Let invalid
small_modelconfig values fall back cleanly instead of breaking small-model selection. - Improved missing-model errors with suggestions across CLI and typed callers.
TUI
Improvements
- Restored markdown rendering for session output by default.
SDK
Improvements
- Added
instance.directoryandinstance.workspacequery support to the v2 model and provider calls.