Add ServerCapabilities/OperationLimits node, enable diagnostics, add OnModifyMonitoredItemsComplete
override for DA compliance. Wire shelving, enable/disable, confirm, and addcomment handlers on
alarm conditions with LocalTime/Quality event fields for Part 9 compliance. Add Aes128/Aes256
security profiles, X.509 certificate authentication, and AUDIT-prefixed auth logging. Fix flaky
probe monitor test. Update docs for all changes.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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