• Removed the bundled orchestration heartbeat skill from the model system prompt.
• Fixed feature hints crowding queued messages and side questions by placing them below the recap and hiding them while messages are queued (ENG-4741).
• Fixed /btw truncating long answers by rendering side questions in the scrollable transcript.
• Changed selection cursors from → to › across model selectors, scoped-models, and the theme default for consistency with tree and user-message selectors.
• Changed the queued follow-up hint connector from ↳ to ╰─ to match the tool-execution continuation connector.
• Changed /context tree connectors from ├ /└ to ├─ /└─ to match the tree selector and session picker.
• Changed the IPython cell queued marker from ▸ to ◇ to match the subagent and context-tree status icons.
• Changed slash-command autocomplete to separate argument hints and resource provenance, show only the selected command description, and summarize hidden results directionally.
• Fixed cancelled extension commands remaining alive when spawned processes ignored SIGTERM (#458 by @snimu).
• Fixed OAuth browser launch URLs being interpreted by the system shell.
• Added agent-callable refine skill so the model can schedule continual harness refinement from IPython via await refine.run() without blocking the current turn (#504 by @sethkarten).
• Changed long live session opens to render a bounded recent transcript tail while preserving full prompt history (#343 by @sethkarten).
• Changed /refine to run planning in the background so the conversation is not blocked during the LLM pass (#497 by @sethkarten).
• Added serialized headless refinement and --goal / --goal-token-budget for seeding durable session goals (#514 by @sethkarten).