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/Backend/IHistorianDataSource.cs

@@ -14,23 +14,52 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Wonderware.Backend
     /// </summary>
     public interface IHistorianDataSource : IDisposable
     {
+        /// <summary>Reads raw historical samples asynchronously.</summary>
+        /// <param name="tagName">The tag name to read from.</param>
+        /// <param name="startTime">The start time of the time range.</param>
+        /// <param name="endTime">The end time of the time range.</param>
+        /// <param name="maxValues">The maximum number of values to return.</param>
+        /// <param name="ct">The cancellation token.</param>
+        /// <returns>A task representing the asynchronous operation that returns a list of historian samples.</returns>
         Task<List<HistorianSample>> ReadRawAsync(
             string tagName, DateTime startTime, DateTime endTime, int maxValues,
             CancellationToken ct = default);
 
+        /// <summary>Reads aggregate historical samples asynchronously.</summary>
+        /// <param name="tagName">The tag name to read from.</param>
+        /// <param name="startTime">The start time of the time range.</param>
+        /// <param name="endTime">The end time of the time range.</param>
+        /// <param name="intervalMs">The interval in milliseconds for aggregation.</param>
+        /// <param name="aggregateColumn">The column to aggregate.</param>
+        /// <param name="ct">The cancellation token.</param>
+        /// <returns>A task representing the asynchronous operation that returns a list of aggregate samples.</returns>
         Task<List<HistorianAggregateSample>> ReadAggregateAsync(
             string tagName, DateTime startTime, DateTime endTime,
             double intervalMs, string aggregateColumn,
             CancellationToken ct = default);
 
+        /// <summary>Reads historical samples at specific times asynchronously.</summary>
+        /// <param name="tagName">The tag name to read from.</param>
+        /// <param name="timestamps">The array of timestamps at which to read values.</param>
+        /// <param name="ct">The cancellation token.</param>
+        /// <returns>A task representing the asynchronous operation that returns a list of historian samples.</returns>
         Task<List<HistorianSample>> ReadAtTimeAsync(
             string tagName, DateTime[] timestamps,
             CancellationToken ct = default);
 
+        /// <summary>Reads historical events asynchronously.</summary>
+        /// <param name="sourceName">The source name to filter events, or null for all sources.</param>
+        /// <param name="startTime">The start time of the time range.</param>
+        /// <param name="endTime">The end time of the time range.</param>
+        /// <param name="maxEvents">The maximum number of events to return.</param>
+        /// <param name="ct">The cancellation token.</param>
+        /// <returns>A task representing the asynchronous operation that returns a list of historian events.</returns>
         Task<List<HistorianEventDto>> ReadEventsAsync(
             string? sourceName, DateTime startTime, DateTime endTime, int maxEvents,
             CancellationToken ct = default);
 
+        /// <summary>Gets a health snapshot of the data source.</summary>
+        /// <returns>A HistorianHealthSnapshot containing the current health information.</returns>
         HistorianHealthSnapshot GetHealthSnapshot();
     }
 }