PROTOTYPE — throwaway. Question: how do collapsed session tool rows present their target
(file path / command) now that the icon sits left and the chevron sits right, and the Thinking row has no
typewriter summary? Three variants, structurally different in where path information lives.
Flip with the bar below or ← / → keys.
I'll look at the churn schedule and patch the flavour handling.
The churn schedule now prefers the weekend's top flavour and keeps the evening freezer window free for the hero batch.