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).

clients/dotnet/ZB.MOM.WW.MxGateway.Client.Cli/MxGatewayClientCli.cs

@@ -347,13 +347,13 @@ public static class MxGatewayClientCli
 
     /// <summary>
     ///     Canonical CLI credential environment variable, shared by every official
-    ///     client CLI (CLI-45) so one exported variable drives the same operator
+    ///     client CLI so one exported variable drives the same operator
     ///     workflow in all five languages.
     /// </summary>
     private const string DefaultVerifyPasswordEnvironmentName = "MXGATEWAY_VERIFY_PASSWORD";
 
     /// <summary>
-    ///     Pre-CLI-45 environment variable, still honoured as a deprecated fallback
+    ///     Legacy environment variable, still honoured as a deprecated fallback
     ///     for one release so existing scripts keep working.
     /// </summary>
     private const string LegacyVerifyPasswordEnvironmentName = "MXGATEWAY_VERIFY_USER_PASSWORD";
@@ -379,14 +379,14 @@ public static class MxGatewayClientCli
     }
 
     /// <summary>
-    ///     Resolves the effective MXAccess verify-user credential in the CLI-45
+    ///     Resolves the effective MXAccess verify-user credential in this
     ///     order: <c>--password</c>, the deprecated <c>--verify-user-password</c>
     ///     alias, the environment variable named by <c>--password-env</c> (default
     ///     <c>MXGATEWAY_VERIFY_PASSWORD</c>), then the deprecated
     ///     <c>MXGATEWAY_VERIFY_USER_PASSWORD</c>. An empty value from any source is
     ///     treated as absent. The credential is never echoed; this resolver exists so
-    ///     the error-redaction catch block can strip it from any surfaced error
-    ///     (CLI-04), mirroring <see cref="TryResolveApiKey" />.
+    ///     the error-redaction catch block can strip it from any surfaced error,
+    ///     mirroring <see cref="TryResolveApiKey" />.
     /// </summary>
     private static string? TryResolveVerifyUserPassword(CliArguments arguments)
     {
@@ -416,7 +416,7 @@ public static class MxGatewayClientCli
     ///     Resolves the verify-user credential for <c>authenticate-user</c>, throwing
     ///     a redaction-safe error when no source yields a non-empty value. Failing
     ///     fast keeps a misconfigured environment from becoming a real MXAccess
-    ///     authentication attempt with an empty credential (CLI-45); the thrown
+    ///     authentication attempt with an empty credential; the thrown
     ///     message names only the option/env var, never the value.
     /// </summary>
     private static string ResolveVerifyUserPassword(CliArguments arguments)
@@ -758,9 +758,9 @@ public static class MxGatewayClientCli
     {
         // The credential is resolved from --password or its env var (default
         // MXGATEWAY_VERIFY_PASSWORD) and is never echoed; a missing or empty value
-        // fails fast before the invoke rather than reaching the wire (CLI-45).
+        // fails fast before the invoke rather than reaching the wire.
         // On any surfaced error the RunCoreAsync catch block routes
-        // it through MxGatewayCliSecretRedactor so it cannot reach stderr (CLI-04).
+        // it through MxGatewayCliSecretRedactor so it cannot reach stderr.
         return InvokeAndWriteAsync(
             arguments,
             client,
@@ -1425,7 +1425,7 @@ public static class MxGatewayClientCli
                 else if (gatewayEvent.ReplayGap is { } replayGap)
                 {
                     // Render the ReplayGap sentinel as the typed cross-CLI row instead of the raw
-                    // sentinel MxEvent (NEXT-02, mirroring the Go/Python/Rust CLIs).
+                    // sentinel MxEvent, mirroring the Go/Python/Rust CLIs.
                     output.WriteLine(FormatReplayGapRow(replayGap));
                 }
                 else
@@ -1849,7 +1849,7 @@ public static class MxGatewayClientCli
     }
 
     /// <summary>
-    ///     Formats the typed ReplayGap row shared by the CLIs (NEXT-02). Hand-built so the
+    ///     Formats the typed ReplayGap row shared by the CLIs. Hand-built so the
     ///     cursors are JSON numbers like the Go/Python/Rust rows, not the protobuf JSON
     ///     formatter's quoted uint64 strings.
     /// </summary>