Files
lmxopcua/docs/plans
Joseph Doherty e4cb9a08e0 docs(mesh): MeshTransport config, Phase 2 as shipped, design-doc correction
Rig: all six docker-dev nodes carry MeshTransport__Mode plus both central
contact points. Mode is "${OTOPCUA_MESH_MODE:-Dps}", so the rig still comes up
on the transport it has always used and the live gate can flip the whole fleet
at `docker compose up` without a compose edit or a rebuild.

Docs: a MeshTransport section in Configuration.md (including why contact points
are addresses only, why the contact set does not scope delivery, and why
buffer-size=0 is a behaviour decision rather than a tuning knob), a "Command
transport" section in Redundancy.md contrasting the two modes, and a summary
beside the Redundancy notes in CLAUDE.md.

Corrects the design doc's claim that ScadaBridge replies with a typed failure to
every unhandled message. Neither of their comm actors has a ReceiveAny or an
Unhandled override; the idiom is per message type and fires on a missing
registration, and an unknown type dead-letters there as it does anywhere else.

Records the exit-gate deviation in the program plan: "an Ask timing out cleanly
against a stopped node" cannot be run, because no Ask crosses this boundary. The
honest equivalents are a stopped node failing the deploy at the apply deadline
and an unreachable contact dropping the command with a Warning.

Claude-Session: https://claude.ai/code/session_01GASWkNEi68FSCtvr6rLoEW
2026-07-22 17:46:46 -04:00
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