feat(datasync): add repository methods for pipeline viewer

Add GetRecentUpdatesAsync and GetLastRunsAsync interface methods to
IDataUpdateRepository to support the pipeline viewer feature.

NEW/src/JdeScoping.DataSync/Contracts/IDataUpdateRepository.cs

@@ -74,6 +74,30 @@ public interface IDataUpdateRepository
     Task<List<TableSyncStatus>> GetSyncStatusAsync(
         Dictionary<string, int>? customIntervals = null,
         CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Gets the last N execution records for a specific table.
+    /// </summary>
+    /// <param name="tableName">The table name to filter by.</param>
+    /// <param name="updateType">Optional update type filter. If null, returns all types.</param>
+    /// <param name="count">Maximum records to return (total, not per type).</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>List of DataUpdate records ordered by StartDt descending.</returns>
+    Task<List<DataUpdate>> GetRecentUpdatesAsync(
+        string tableName,
+        UpdateTypes? updateType = null,
+        int count = 30,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    /// Gets the last run (successful or not) for each update type for a table.
+    /// </summary>
+    /// <param name="tableName">The table name.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>Dictionary keyed by UpdateType.</returns>
+    Task<Dictionary<UpdateTypes, DataUpdate>> GetLastRunsAsync(
+        string tableName,
+        CancellationToken cancellationToken = default);
 }
 
 /// <summary>