Gate finding (reuse + quality, Low): the new recovery file re-declared four
helpers verbatim and its re-arm test duplicated
test_dispatch_progress_rearms_the_report step for step. Move the fatal-handoff
test next to the existing helpers, fold the recovery-scheduling counts
(0 -> 1 -> 1 -> 2) into the existing re-arm test, and delete the new file and
the cross-reference docstring paragraph. The stack now adds one test function.
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