v0.51.14

What's Changed

Features

• Make acceptance-criteria verification monotonic (#2187)

Bug Fixes

• Close transformed retry contract encodings (#2218)
• Recognize option-bearing uv test runs (#2212)
• Negotiate host subagent dispatch through MCP
• Keep one runtime per execution run by default (#2214)
• Prevent native Windows stdio registration (#2213)
• Serve MCP with an installed CLI when the SDK runtime is inherited (#2164)
• Remove the SessionStart packaging dependency (#2206)
• Require authentication for localhost.localdomain (#2209)
• Accept Windows file mode semantics during setup (#2207)
• Raise the OMP MCP timeout floor (#2190)
• Preserve stable_base as the root for relative file references (#2197)
• Report non-UTF-8 installation JSON as a doctor failure (#2199)

Documentation

• Align skill guidance for host-decided subagent dispatch

Testing

• Isolate the built-wheel bare-runtime probe from developer-installed CLIs

Full Changelog: v0.51.13...v0.51.14