Cursor Agent8/3/2026, 10:09:44 AM

Idle tracking already ignored journal sinks when connections attached,
but remove/evict still required an empty sink map. Journal-backed thread
bindings therefore never armed idle clocks or disposed after disconnect.
Key idle eviction off live connection sinks and lock the contract in tests.

Co-authored-by: Max Weinbach <mweinbach@users.noreply.github.com>

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