- Filter-group buckets include the where clause's (value-based) hash, so
per-source filters sharing a select list are not all scanned under Lock.
- Locale keys are cached per session array.
- Tests: a notifier reached twice in one walk (Line above two wired
equipment) gets each event once on both paths (fails without the
per-report set); queued events re-projected by a modify are identical on
both paths; locale keys unambiguous and where clauses hash by value.
Claude-Session: https://claude.ai/code/session_01GT67AD99zQQqpLCVm3p7xk
Joseph Doherty
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