88c05cc01a
docs/drivers/OpcUaClient.md, docs/plans/2026-05-28-driver-browsers-design.md and docs/Client.CLI.md: one OpcUaEndpointUrlRewriter for driver, AdminUI browser and Client CLI/UI; configured host+port win, advertised path kept for opc.tcp; policy/mode selection and certificate validation unchanged; NAT test recipe against the #813 fixture.