feat(scripting): root script logger + DPS publisher wired in Host

src/Core/ZB.MOM.WW.OtOpcUa.Core.Scripting/ScriptRootLogger.cs

@@ -0,0 +1,25 @@
+namespace ZB.MOM.WW.OtOpcUa.Core.Scripting;
+
+/// <summary>
+///     DI-friendly holder for the root script <see cref="Serilog.ILogger"/> so it can be
+///     injected into the Roslyn evaluators without clashing with the application's main
+///     <c>Serilog.Log.Logger</c> (both are <see cref="Serilog.ILogger"/>; a wrapper type
+///     gives the container an unambiguous registration to resolve).
+/// </summary>
+/// <remarks>
+///     The wrapped logger is the composed script pipeline — a rolling <c>scripts-*.log</c>
+///     file sink, the <see cref="ScriptLogCompanionSink"/> mirroring errors to the main log,
+///     and the <see cref="ScriptLogTopicSink"/> fanning entries onto the cluster
+///     <c>script-logs</c> topic for the live Script-log Admin UI page.
+/// </remarks>
+public sealed class ScriptRootLogger
+{
+    /// <summary>Gets the composed root script logger that evaluators derive per-script loggers from.</summary>
+    public Serilog.ILogger Logger { get; }
+
+    /// <summary>Initializes a new instance of the <see cref="ScriptRootLogger"/> class.</summary>
+    /// <param name="logger">The composed root script logger. Must not be <c>null</c>.</param>
+    /// <exception cref="ArgumentNullException">Thrown when <paramref name="logger"/> is <c>null</c>.</exception>
+    public ScriptRootLogger(Serilog.ILogger logger) =>
+        Logger = logger ?? throw new ArgumentNullException(nameof(logger));
+}