v1.6.0

1.6.0 (2026-04-12)

Features

• add Task tool to experiment agent for parallel subagent research (4c1779c)
• agent-panel: show experiment notes as styled card instead of raw XML (a1069f5)
• auto-fallback to alternate model on provider limits (#32) (b98f34b)
• execution: filter ideas panel to selected experiment (442f551)
• execution: make narrow-mode Agent/Ideas tab titles clickable (46ae4b7)
• expand CLI with 6 new commands for agent-friendly control (#30) (d159237)
• guidance: add human steering for mid-run experiment direction (#37) (a0aa923)
• home: add double-click to open programs and runs (025e647)
• mcp: add agent sessions and config tools (#36) (cd9e647)
• mcp: add MCP server for external coding agents (#35) (aa55e46)
• mcp: add resources for setup guide and program details (ebc8d9d)
• measure: add Mann-Whitney U statistical significance testing (#38) (b363c39)
• proactive quota usage warnings from Claude SDK rate limit events (#34) (a62bb98)
• ui: add hint prop to CycleField component (1454385)

Bug Fixes

• abort active run when deleting its queue entry (e7353d8)
• app: use q instead of Esc to quit from home screen (e423da3)
• daemon: clean up stuck runs from crashed daemons (a1e5e67)
• execution: single-click row selection with toggle to deselect (af5ead1)
• execution: update phase label on attach instead of staying on "Connecting..." (d77c4de)
• finalize: handle removed worktree for queue-sourced runs (4e3d6b7)
• finalize: teach agent to navigate worktrees when target branch is checked out elsewhere (4bf38fe)
• prompt: improve experiment agent orientation and backlog awareness (f6e38e9)
• queue: require manual start instead of auto-starting on HomeScreen mount (2d39b89)
• resolve merge conflict in queue E2E tests (43836d3)
• surface clear error messages when daemon fails to start (#29) (963aea0)
• treat baseline abort as clean termination instead of crash (939736b)
• ui: check terminal phase when attaching to alive daemon (152ea8d)
• ui: remove duplicate experiment heading in detail view (c3a96d5)
• ui: rewrite setting descriptions to communicate trade-offs (d1d686a)

Performance Improvements

• prompts: encourage parallel tool calls in experiment agent (072bef3)