docs: backfill XML documentation across 756 files

Adds <summary>, <param>, <typeparam>, and <inheritdoc/> tags to public
members surfaced by commentchecker — resolves 5,847 of 5,869 issues
(99.6%) across three /fixdocs passes.

src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware/Program.cs

@@ -15,6 +15,9 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware;
 /// </summary>
 public static class Program
 {
+    /// <summary>Entry point for the Wonderware Historian sidecar process.</summary>
+    /// <param name="args">Command-line arguments (unused).</param>
+    /// <returns>0 on success, 2 on fatal error.</returns>
     public static int Main(string[] args)
     {
         Log.Logger = new LoggerConfiguration()