cmux-shared-behavior

Guides changes to cmux so shared actions behave consistently across entrypoints, optimistic updates reconcile correctly, and bug fixes cover the reported reproduction path.

When to use it

Use when changing cmux behavior exposed through multiple entrypoints, optimistic mutation flows, or tests that missed a user-visible bug.

It changes how the agent implements and tests cmux behavior by requiring shared action paths, reconciled optimistic updates, and coverage of reported bug reproductions.