fix(historian): #680 lane B — per-sample Count/Start/End/Delta per Part 13 + forward end-of-data Partial

Count: Good samples only, value-based status (all Bad => generic Bad), 0/Good on an
empty interval inside the tag's data range [first, last] (both directions).
Start/End: the raw first/last sample of any quality (own value, status, timestamp).
Delta: Uncertain only when the interval's first or last sample is not usable.
Forward end-of-data Partial (SDK m_endOfData, earlier edge inclusive) for every
per-sample aggregate but Average (PercentGood/Bad left to lane A).
Backends push down first/last-any-quality columns and fetch the tag's data range
(earliest <= window end, latest >= window start) only when NeedsDataRange.
SDK parity masks for Start/End/Delta/Count removed; new parity datasets.

src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common/BucketRow.cs

@@ -9,7 +9,7 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Sql.Common;
 /// <remarks>
 ///     Sample classes: <i>usable</i> = severity Good or Uncertain AND a stored value (an Empty sample is an outage marker
 ///     and counts as Bad whatever its code); <i>good</i> = usable with severity Good; <i>bad</i> = not usable.
-///     Every value field is computed over usable samples only.
+///     Every value field is computed over usable samples only, except <see cref="FirstAny"/> / <see cref="LastAny"/>.
 /// </remarks>
 public sealed class BucketRow
 {
@@ -54,4 +54,13 @@ public sealed class BucketRow
 
     /// <summary>Time of <see cref="Extreme"/> (ties ⇒ earliest; null when none).</summary>
     public DateTime? ExtremeTime { get; set; }
+
+    /// <summary>
+    ///     The bucket's first sample by time of <b>any</b> quality (null when the bucket is empty): Start returns it raw, and
+    ///     Delta is Uncertain when it is not usable (#680, Part 13 Tables 73/74 — the SDK's <c>StartEndAggregateCalculator</c>).
+    /// </summary>
+    public StoredSample? FirstAny { get; set; }
+
+    /// <summary>The bucket's last sample by time of any quality (null when the bucket is empty): End, Delta (#680).</summary>
+    public StoredSample? LastAny { get; set; }
 }