Name carry()'s retry condition and what ends its loop

todo.md

@@ -199,11 +199,6 @@ next work ([decision](docs/decisions.md#internals-and-tests)).
 
 ### Locality — next, ahead of everything below; 5–6 today, and the gate is 7
 
-- [ ] **Name `pastDrain()`'s retry condition and what makes the loop end.** The exit is a
-      three-term disjunction over two collaborators, whose comment covers the first term only, and
-      the method is named for what it bypasses. Do not change what it asks: `gate.isUp()` rather than
-      `canCarry()` is deliberate and recorded.
-
 - [ ] **Replace `resolveBody`'s `settles` boolean with the decision it stands for.** One boolean
       chooses both whether to overwrite `data_coding` and which params to read it from, across four
       helpers all named some abstraction of "body". Return a named source — `'short_message' |