Mixer status shows shut down after Tumbler is reported; crime/reputation debug dump

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/Decentralized/ModFiles/Localization/en.csv

@@ -781,3 +781,4 @@ news.tumbler.caught.desc,The mixer operator known as Tumbler was arrested in the
 news.tumbler.sold.title,Mixing service changes hands
 news.tumbler.sold.desc,"Word is the signing keys of a lower-level mixing service have fallen into black-market hands, and fees went up at once. Users fear for their funds."
 nightlog.tumbler.gift,Tumbler took back the key drive and left {0} CRT as thanks (sent to {1}); mixer fees halved.
+mixer.status.closed,Status: shut down