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/Core/ZB.MOM.WW.OtOpcUa.Core/Resilience/DriverResilienceOptions.cs

@@ -42,6 +42,8 @@ public sealed record DriverResilienceOptions
     ///     Look up the effective policy for a capability, falling back to tier defaults when no
     ///     override is configured. Never returns null.
     /// </summary>
+    /// <param name="capability">The driver capability to resolve the policy for.</param>
+    /// <returns>The effective CapabilityPolicy for the specified capability.</returns>
     /// <exception cref="KeyNotFoundException">
     ///     Thrown when neither the override map nor the tier defaults carry an entry for the
     ///     requested capability. The <c>TierDefaults_Cover_EveryCapability</c> invariant test
@@ -70,6 +72,8 @@ public sealed record DriverResilienceOptions
     ///     Stream A.2 specification. Retries skipped on <see cref="DriverCapability.Write"/> and
     ///     <see cref="DriverCapability.AlarmAcknowledge"/> regardless of tier.
     /// </summary>
+    /// <param name="tier">The driver tier to get defaults for.</param>
+    /// <returns>The default policy dictionary for the specified tier.</returns>
     public static IReadOnlyDictionary<DriverCapability, CapabilityPolicy> GetTierDefaults(DriverTier tier) =>
         tier switch
         {