fix(host): fatal-log, flush and exit non-zero when the host fails to start (#618)

Claude-Session: https://claude.ai/code/session_01Ef2ozxS7QPanGT8uoATbTe
2026-10-08 06:52:54 -04:00
parent 3baa332d6b
commit 413bc5c04f
5 changed files with 94 additions and 1 deletions
@@ -262,7 +262,10 @@ public sealed class OtOpcUaServerHostedService : IHostedService, IAsyncDisposabl
            _logger.LogWarning(
                "OtOpcUaServerHostedService: node ACL enforcement is ENABLED — EVERY data-plane operation "
                + "(read, browse, subscribe, write, alarm commands, HistoryRead) now requires a matching "
-                + "NodeAcl grant. A principal with no grant can connect and see nothing.");
+                + "NodeAcl grant. A principal with no grant can still connect and read the standard OPC UA "
+                + "server nodes (ns=0: ServerStatus, NamespaceArray, ServiceLevel, ...) — those are served by "
+                + "the SDK core node manager and are deliberately ungated because clients need them for "
+                + "session setup — but it sees no plant data (raw/UNS namespaces).");
        }

        // Propagate the configured tie-cluster over-fetch bound onto the node manager so HistoryRead-Raw