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/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Modbus/ModbusDriverFactoryExtensions.cs

@@ -22,6 +22,8 @@ public static class ModbusDriverFactoryExtensions
     ///     the driver runs with the null logger (existing tests and standalone callers stay
     ///     unchanged).
     /// </summary>
+    /// <param name="registry">The driver factory registry to register with.</param>
+    /// <param name="loggerFactory">Optional logger factory for creating loggers per driver instance.</param>
     public static void Register(DriverFactoryRegistry registry, ILoggerFactory? loggerFactory = null)
     {
         ArgumentNullException.ThrowIfNull(registry);
@@ -29,10 +31,15 @@ public static class ModbusDriverFactoryExtensions
     }
 
     /// <summary>Public for the Server-side bootstrapper + test consumers (Admin.Tests, etc.).</summary>
+    /// <param name="driverInstanceId">The unique identifier for the driver instance.</param>
+    /// <param name="driverConfigJson">The JSON configuration string for the driver.</param>
     public static ModbusDriver CreateInstance(string driverInstanceId, string driverConfigJson)
         => CreateInstance(driverInstanceId, driverConfigJson, loggerFactory: null);
 
     /// <summary>Logger-aware overload — used by <see cref="Register"/>'s closure when wired through DI.</summary>
+    /// <param name="driverInstanceId">The unique identifier for the driver instance.</param>
+    /// <param name="driverConfigJson">The JSON configuration string for the driver.</param>
+    /// <param name="loggerFactory">Optional logger factory for creating loggers per driver instance.</param>
     public static ModbusDriver CreateInstance(string driverInstanceId, string driverConfigJson, ILoggerFactory? loggerFactory)
     {
         ArgumentException.ThrowIfNullOrWhiteSpace(driverInstanceId);
@@ -205,48 +212,76 @@ public static class ModbusDriverFactoryExtensions
 
     internal sealed class ModbusDriverConfigDto
     {
+        /// <summary>Gets or sets the host address.</summary>
         public string? Host { get; init; }
+        /// <summary>Gets or sets the port number.</summary>
         public int? Port { get; init; }
+        /// <summary>Gets or sets the unit identifier.</summary>
         public byte? UnitId { get; init; }
+        /// <summary>Gets or sets the timeout in milliseconds.</summary>
         public int? TimeoutMs { get; init; }
+        /// <summary>Gets or sets the maximum number of registers per read operation.</summary>
         public ushort? MaxRegistersPerRead { get; init; }
+        /// <summary>Gets or sets the maximum number of registers per write operation.</summary>
         public ushort? MaxRegistersPerWrite { get; init; }
+        /// <summary>Gets or sets the maximum number of coils per read operation.</summary>
         public ushort? MaxCoilsPerRead { get; init; }
+        /// <summary>Gets or sets a value indicating whether to use function code 15 for single coil writes.</summary>
         public bool? UseFC15ForSingleCoilWrites { get; init; }
+        /// <summary>Gets or sets a value indicating whether to use function code 16 for single register writes.</summary>
         public bool? UseFC16ForSingleRegisterWrites { get; init; }
+        /// <summary>Gets or sets a value indicating whether to disable function code 23.</summary>
         public bool? DisableFC23 { get; init; }
+        /// <summary>Gets or sets a value indicating whether to write only on change.</summary>
         public bool? WriteOnChangeOnly { get; init; }
+        /// <summary>Gets or sets the maximum gap between register addresses for coalescing.</summary>
         public ushort? MaxReadGap { get; init; }
+        /// <summary>Gets or sets the Modbus family type.</summary>
         public string? Family { get; init; }
+        /// <summary>Gets or sets the Melsec subfamily.</summary>
         public string? MelsecSubFamily { get; init; }
+        /// <summary>Gets or sets the automatic prohibition reprobei interval in milliseconds.</summary>
         public int? AutoProhibitReprobeMs { get; init; }
+        /// <summary>Gets or sets a value indicating whether automatic reconnection is enabled.</summary>
         public bool? AutoReconnect { get; init; }
+        /// <summary>Gets or sets the collection of tag definitions.</summary>
         public List<ModbusTagDto>? Tags { get; init; }
+        /// <summary>Gets or sets the probe configuration.</summary>
         public ModbusProbeDto? Probe { get; init; }
 
-        // #139 connection-layer knobs.
+        /// <summary>Gets or sets the keep-alive configuration (connection-layer knob #139).</summary>
         public ModbusKeepAliveDto? KeepAlive { get; init; }
+        /// <summary>Gets or sets the idle disconnect timeout in milliseconds.</summary>
         public int? IdleDisconnectMs { get; init; }
+        /// <summary>Gets or sets the reconnect configuration.</summary>
         public ModbusReconnectDto? Reconnect { get; init; }
     }
 
     internal sealed class ModbusKeepAliveDto
     {
+        /// <summary>Gets or sets a value indicating whether keep-alive is enabled.</summary>
         public bool? Enabled { get; init; }
+        /// <summary>Gets or sets the keep-alive time in milliseconds.</summary>
         public int? TimeMs { get; init; }
+        /// <summary>Gets or sets the keep-alive interval in milliseconds.</summary>
         public int? IntervalMs { get; init; }
+        /// <summary>Gets or sets the retry count.</summary>
         public int? RetryCount { get; init; }
     }
 
     internal sealed class ModbusReconnectDto
     {
+        /// <summary>Gets or sets the initial reconnect delay in milliseconds.</summary>
         public int? InitialDelayMs { get; init; }
+        /// <summary>Gets or sets the maximum reconnect delay in milliseconds.</summary>
         public int? MaxDelayMs { get; init; }
+        /// <summary>Gets or sets the backoff multiplier for exponential reconnect delays.</summary>
         public double? BackoffMultiplier { get; init; }
     }
 
     internal sealed class ModbusTagDto
     {
+        /// <summary>Gets or sets the tag name.</summary>
         public string? Name { get; init; }
 
         /// <summary>
@@ -257,25 +292,41 @@ public static class ModbusDriverFactoryExtensions
         /// </summary>
         public string? AddressString { get; init; }
 
+        /// <summary>Gets or sets the register region.</summary>
         public string? Region { get; init; }
+        /// <summary>Gets or sets the starting address.</summary>
         public ushort? Address { get; init; }
+        /// <summary>Gets or sets the data type.</summary>
         public string? DataType { get; init; }
+        /// <summary>Gets or sets a value indicating whether the tag is writable.</summary>
         public bool? Writable { get; init; }
+        /// <summary>Gets or sets the byte order.</summary>
         public string? ByteOrder { get; init; }
+        /// <summary>Gets or sets the bit index for bit-level tags.</summary>
         public byte? BitIndex { get; init; }
+        /// <summary>Gets or sets the string length for string-typed tags.</summary>
         public ushort? StringLength { get; init; }
+        /// <summary>Gets or sets the byte order for string values.</summary>
         public string? StringByteOrder { get; init; }
+        /// <summary>Gets or sets a value indicating whether writes are idempotent.</summary>
         public bool? WriteIdempotent { get; init; }
+        /// <summary>Gets or sets the array count for array-typed tags.</summary>
         public int? ArrayCount { get; init; }
+        /// <summary>Gets or sets the deadband for change detection.</summary>
         public double? Deadband { get; init; }
+        /// <summary>Gets or sets the unit identifier for this tag.</summary>
         public byte? UnitId { get; init; }
     }
 
     internal sealed class ModbusProbeDto
     {
+        /// <summary>Gets or sets a value indicating whether probing is enabled.</summary>
         public bool? Enabled { get; init; }
+        /// <summary>Gets or sets the probe interval in milliseconds.</summary>
         public int? IntervalMs { get; init; }
+        /// <summary>Gets or sets the probe timeout in milliseconds.</summary>
         public int? TimeoutMs { get; init; }
+        /// <summary>Gets or sets the probe register address.</summary>
         public ushort? ProbeAddress { get; init; }
     }
 }