feat(commons): add IDriverBrowser/IBrowseSession/BrowseNode abstractions

src/Core/ZB.MOM.WW.OtOpcUa.Commons/Browsing/IDriverBrowser.cs

@@ -0,0 +1,19 @@
+namespace ZB.MOM.WW.OtOpcUa.Commons.Browsing;
+
+/// <summary>
+///     Per-driver factory that opens an ad-hoc browse session against the configuration
+///     supplied as JSON. Parallels <c>IDriverProbe</c> in the runtime — one implementation
+///     per driver type, registered in AdminUI DI and indexed by <see cref="DriverType"/>.
+/// </summary>
+public interface IDriverBrowser
+{
+    /// <summary>Driver type key, matching the AdminUI's persisted DriverType string
+    /// (e.g. "OpcUaClient", "Galaxy").</summary>
+    string DriverType { get; }
+
+    /// <summary>Opens a browse session against the supplied configuration.</summary>
+    /// <param name="configJson">Driver options serialized as JSON; same shape the runtime
+    /// driver would consume.</param>
+    /// <param name="cancellationToken">Cancellation for the connect phase only.</param>
+    Task<IBrowseSession> OpenAsync(string configJson, CancellationToken cancellationToken);
+}