docs(index): record OtOpcUa's two redundancy corrections and the NU1903 pin

Both are consumer-visible, so they belong in the index rather than only in the
repo. The downing strategy moved to AutoDowning because a two-node OtOpcUa pair
on keep-oldest could not survive a crash of the oldest node — the same defect and
the same fix as ScadaBridge cf3bd52f, which is where the analysis came from. And
the redundancy Primary is now the oldest Up driver member rather than the role
leader, which changes which node advertises ServiceLevel 250 after a restart —
relevant to anything selecting a server by ServiceLevel.

Also notes that the four NU1903 advisories which broke ScadaBridge's fresh
restores were breaking OtOpcUa's too, and that the election remains scoped per
Akka cluster until the per-cluster mesh work lands.

Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
This commit is contained in:
Joseph Doherty
2026-07-21 19:05:27 -04:00
parent ede5275d3a
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