b47f4258fd
cleanNetworkBufferByTTL was deleting pendingOrphans without emitting them, causing silent data loss when a B event (network connection) expired while A events were still waiting in the 500ms orphan delay buffer. Fix: cleanNetworkBufferByTTL now returns []CorrelatedLog for forced orphans; cleanExpired propagates them; ProcessEvent includes them in returned results. TestBTTLExpiry_PurgesPendingOrphans extended to assert the orphan is actually returned in ProcessEvent results (not just removed from internal state). Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>