v2.0.139

Core

• Run: a headless run reads on until the stream reaches the root's newest message
• Session: a response that dies before any output is resent once; the header names a silent model

App

• Workspace: a message queued behind a running step no longer renders twice

Docs

• Readme: format the benchmarks table
• Revise benchmarks table formatting in README

The Windows desktop installer is unsigned while Microsoft Artifact Signing setup is incomplete.