docs: strip task-tracking IDs from code comments and fill missing XML docs

Tracking IDs are review bookkeeping that rots in shipped source; the rationale they tagged is kept. Comment-only change (CommentChecker 458 -> 16 false positives).

src/ZB.MOM.WW.MxGateway.Worker.Tests/MxAccess/MxAccessCommandExecutorTests.cs

@@ -2166,14 +2166,17 @@ public sealed class MxAccessCommandExecutorTests
     /// </summary>
     private sealed class CompletionCacheEventSink : IMxAccessEventSink, IWriteCompletionCacheProvider
     {
+        /// <inheritdoc />
         public MxAccessWriteCompletionCache WriteCompletionCache { get; } = new MxAccessWriteCompletionCache();
 
+        /// <inheritdoc />
         public void Attach(
             object mxAccessComObject,
             string sessionId)
         {
         }
 
+        /// <inheritdoc />
         public void Detach()
         {
         }

src/ZB.MOM.WW.MxGateway.Worker.Tests/MxAccess/MxAccessEventMapperTests.cs

@@ -239,14 +239,14 @@ public sealed class MxAccessEventMapperTests
     }
 
     /// <summary>
-    ///     Verifies the exact-format fast path PERF-20 added in front of the
+    ///     Verifies the exact-format fast path added in front of the
     ///     general parse chain returns exactly what that chain returned. The
     ///     cases cover the captured MXAccess shape (which the fast path is meant
     ///     to catch on a US-shaped host), its zero-padded and second-precision
     ///     siblings, and strings the derived formats cannot match — an ISO
     ///     round-trip form, a long-date form, and a day-first European form —
     ///     which must fall through to the unchanged two-stage chain. The
-    ///     expectation is computed with the pre-PERF-20 chain in this test, so it
+    ///     expectation is computed with the original chain in this test, so it
     ///     holds on any host culture: the fast path is a shortcut, never a
     ///     different answer.
     /// </summary>
@@ -353,8 +353,8 @@ public sealed class MxAccessEventMapperTests
     }
 
     /// <summary>
-    ///     The parse chain exactly as it stood before PERF-20 added the
-    ///     exact-format stage, used as the parity oracle above.
+    ///     The parse chain exactly as it stood before the
+    ///     exact-format stage was added, used as the parity oracle above.
     /// </summary>
     /// <param name="text">Timestamp string to parse.</param>
     /// <param name="utc">The parsed UTC timestamp on success.</param>

src/ZB.MOM.WW.MxGateway.Worker.Tests/MxAccess/MxAccessEventQueueTests.cs

@@ -37,8 +37,7 @@ public sealed class MxAccessEventQueueTests
     /// <summary>
     ///     Verifies that Enqueue takes ownership of the passed event instead of
     ///     cloning it: the dequeued instance is the very reference passed in, and
-    ///     the worker sequence/timestamp are stamped on that same instance
-    ///     (WRK-11).
+    ///     the worker sequence/timestamp are stamped on that same instance.
     /// </summary>
     [Fact]
     public void Enqueue_TakesOwnershipOfPassedEventInstance()
@@ -105,7 +104,7 @@ public sealed class MxAccessEventQueueTests
 
     /// <summary>
     ///     Verifies the byte-budgeted drain stops before the budget is exceeded, leaves the
-    ///     remainder queued in order, and reports the exact remaining count (WRK-21). Events that
+    ///     remainder queued in order, and reports the exact remaining count. Events that
     ///     do not fit must never be dequeued — dequeuing them is how the pre-fix drain lost events
     ///     when the reply frame was rejected.
     /// </summary>
@@ -184,7 +183,7 @@ public sealed class MxAccessEventQueueTests
     }
 
     /// <summary>
-    ///     The no-loss half of the WRK-21 acceptance criterion, at full scale. Draining the review's
+    ///     The no-loss half of the drain guarantee, at full scale. Draining the review's
     ///     10,000 byte-heavy events under a budget that fits only a fraction of them per call must
     ///     return every event exactly once and in order: the pre-fix drain removed events from the
     ///     queue before the reply was sized, so a rejected frame destroyed them. This runs at the
@@ -258,7 +257,7 @@ public sealed class MxAccessEventQueueTests
     ///     Brackets the byte budget's per-event charge to the exact serialized size of the event.
     ///     The queue measures that size once at enqueue rather than during the drain, so this pins
     ///     the two ends of the charge against the very instance the queue holds: a budget one byte
-    ///     short must refuse the head (and leave it queued, WRK-21), and a budget of exactly the
+    ///     short must refuse the head (and leave it queued), and a budget of exactly the
     ///     charge must ship it. An undercharge — sizing the event before Enqueue stamps its worker
     ///     sequence and timestamp, say — passes the first probe and breaks the frame guarantee; an
     ///     overcharge of even one byte fails the second. The <c>preStamped</c> case covers an event
@@ -371,7 +370,7 @@ public sealed class MxAccessEventQueueTests
     }
 
     /// <summary>
-    ///     The other half of the WRK-21 head guarantee: a head refused for its size is drained
+    ///     The other half of the head guarantee: a head refused for its size is drained
     ///     unchanged by a later call whose budget fits it. The size the queue charges lives with the
     ///     event across calls, so a refused attempt must neither consume nor alter it — and the
     ///     refusal itself is justified by the event's real serialized size.

src/ZB.MOM.WW.MxGateway.Worker.Tests/MxAccess/MxAccessStaSessionTests.cs

@@ -527,7 +527,7 @@ public sealed class MxAccessStaSessionTests
     }
 
     /// <summary>
-    /// WRK-27. While the alarm poll's PollOnce is executing on the STA, a heartbeat captured mid-poll
+    /// While the alarm poll's PollOnce is executing on the STA, a heartbeat captured mid-poll
     /// must report <see cref="WorkerRuntimeHeartbeatSnapshot.StaCallInProgress"/> so the watchdog
     /// grants the poll the same grace-to-ceiling suppression as a dispatched command; once the poll
     /// returns the flag clears. PollOnce is blocked on a gate so the heartbeat can be captured while

src/ZB.MOM.WW.MxGateway.Worker.Tests/MxAccess/WnWrapAlarmConsumerXmlTests.cs

@@ -319,7 +319,7 @@ public sealed class WnWrapAlarmConsumerXmlTests
     }
 
     // -------------------------------------------------------------------------
-    // Truncation cliff (Task 23). GetXmlCurrentAlarms2 caps its reply at
+    // Truncation cliff. GetXmlCurrentAlarms2 caps its reply at
     // maxAlmCnt with no "more available" flag. Before the guard, a capped fetch
     // shrank the retained snapshot, and every alarm past the cap vanished from
     // SnapshotActiveAlarms — which the gateway's reconcile pass reads as a
@@ -587,7 +587,7 @@ public sealed class WnWrapAlarmConsumerXmlTests
     }
 
     // -------------------------------------------------------------------------
-    // Single-pass parse parity (Task 23). The per-field SelectSingleNode calls
+    // Single-pass parse parity. The per-field SelectSingleNode calls
     // were replaced by one walk over ChildNodes; these pin the semantics that
     // walk has to reproduce.
     // -------------------------------------------------------------------------