* fix: retain prepared checkout cleanup ownership after timeout
* test: retain capacity for unregistered preparation leftovers
* fix: keep expired cleanup admission outside retry budget
* fix: verify original preparation registration before removal
* Retain preparation authority through bounded capacity recovery
* Exercise preparation cleanup failures through real filesystem fixtures
* Inject root mkdir failure without obstructing checkout absence proof
* Match the host filesystem path in preparation failure coverage
* Align preparation fixtures with physical cleanup ownership
* Await owned recovery in the fleet cleanup control
* Release abandoned preparation cleanup maintenance leases
* Match cleanup test identity paths on Windows
* Wait for completed preparation disposal in maintenance regression
* Await final cleanup state in maintenance controls
OrcaWinandOrcaWin
Brennan Benson
Neil