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/Cli/ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli/Commands/ReadCommand.cs

@@ -14,35 +14,43 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.Modbus.Cli.Commands;
 [Command("read", Description = "Read a single Modbus register or coil.")]
 public sealed class ReadCommand : ModbusCommandBase
 {
+    /// <summary>Gets the Modbus region to read from.</summary>
     [CommandOption("region", 'r', Description =
         "Coils / DiscreteInputs / InputRegisters / HoldingRegisters", IsRequired = true)]
     public ModbusRegion Region { get; init; }
 
+    /// <summary>Gets the zero-based address within the region.</summary>
     [CommandOption("address", 'a', Description =
         "Zero-based address within the region.", IsRequired = true)]
     public ushort Address { get; init; }
 
+    /// <summary>Gets the data type to read.</summary>
     [CommandOption("type", 't', Description =
         "Bool / Int16 / UInt16 / Int32 / UInt32 / Int64 / UInt64 / Float32 / Float64 / " +
         "BitInRegister / String / Bcd16 / Bcd32", IsRequired = true)]
     public ModbusDataType DataType { get; init; }
 
+    /// <summary>Gets the byte order for multi-register types.</summary>
     [CommandOption("byte-order", Description =
         "BigEndian (default, spec ABCD) or WordSwap (CDAB). Ignored for single-register types.")]
     public ModbusByteOrder ByteOrder { get; init; } = ModbusByteOrder.BigEndian;
 
+    /// <summary>Gets the bit index for BitInRegister type.</summary>
     [CommandOption("bit-index", Description =
         "For type=BitInRegister: bit 0-15 LSB-first.")]
     public byte BitIndex { get; init; }
 
+    /// <summary>Gets the string length for String type.</summary>
     [CommandOption("string-length", Description =
         "For type=String: character count (2 per register, rounded up).")]
     public ushort StringLength { get; init; }
 
+    /// <summary>Gets the byte order for string values.</summary>
     [CommandOption("string-byte-order", Description =
         "For type=String: HighByteFirst (standard) or LowByteFirst (DirectLOGIC et al).")]
     public ModbusStringByteOrder StringByteOrder { get; init; } = ModbusStringByteOrder.HighByteFirst;
 
+    /// <inheritdoc />
     public override async ValueTask ExecuteAsync(IConsole console)
     {
         ConfigureLogging();
@@ -86,6 +94,10 @@ public sealed class ReadCommand : ModbusCommandBase
     ///     (<c>HR[100]</c>, <c>Coil[5]</c>, <c>IR[42]</c>) — the driver treats the name
     ///     purely as a lookup key, so any stable string works.
     /// </summary>
+    /// <param name="region">The Modbus region (Coils, DiscreteInputs, InputRegisters, or HoldingRegisters).</param>
+    /// <param name="address">The zero-based address within the region.</param>
+    /// <param name="type">The Modbus data type being read.</param>
+    /// <returns>A human-readable tag name.</returns>
     internal static string SynthesiseTagName(
         ModbusRegion region, ushort address, ModbusDataType type)
     {