Always initialize immutable arrays

src/OpenNetty/OpenNettyAddress.cs

@@ -75,7 +75,7 @@ public OpenNettyAddress(OpenNettyAddressType type, string value, ImmutableArray<
     /// <summary>
     /// Gets the additional parameters associated with the address, if applicable.
     /// </summary>
-    public ImmutableArray<string> Parameters { get; }
+    public ImmutableArray<string> Parameters { get; } = [];
 
     /// <summary>
     /// Gets the type associated with the address.

src/OpenNetty/OpenNettyCategory.cs

@@ -71,7 +71,7 @@ public OpenNettyCategory(string value, ImmutableArray<string> parameters)
     /// <summary>
     /// Gets the additional parameters associated with the category, if applicable.
     /// </summary>
-    public ImmutableArray<string> Parameters { get; }
+    public ImmutableArray<string> Parameters { get; } = [];
 
     /// <inheritdoc/>
     public bool Equals(OpenNettyCategory other)

src/OpenNetty/OpenNettyCommand.cs

@@ -79,7 +79,7 @@ public OpenNettyCommand(OpenNettyCategory category, string value, ImmutableArray
     /// <summary>
     /// Gets the additional parameters associated with the command, if applicable.
     /// </summary>
-    public ImmutableArray<string> Parameters { get; }
+    public ImmutableArray<string> Parameters { get; } = [];
 
     /// <inheritdoc/>
     public bool Equals(OpenNettyCommand other)

src/OpenNetty/OpenNettyCoordinator.cs

@@ -310,7 +310,7 @@ await _events.PublishAsync(new SwitchStateReportedEventArgs(endpoint,
                         // imprecise results that are inconsistent with the brightness level retrieved using a
                         // "DIMMER LEVEL SPEED" or "DIMMER STATUS" DIMENSION REQUEST frame (e.g when setting the
                         // brightness to 30%, a F418U2 SCS dimmer correctly reports the "130" value when using
-                        // a DIMENSION REQUEST but returns "5" (50%) when using a STATUS REQUEST. To avoid that,
+                        // a DIMENSION REQUEST but returns "5" (50%) when using a STATUS REQUEST). To avoid that,
                         // a specialized event handler is responsible for monitoring ON% BUS COMMAND frames and
                         // retrieving the exact brightness level using a "DIMMER LEVEL SPEED" DIMENSION REQUEST.
                         if (endpoint.HasCapability(OpenNettyCapabilities.BasicDimmingState) &&
@@ -1550,7 +1550,7 @@ await _events.PublishAsync(new SwitchStateReportedEventArgs(endpoint,
             // results that are inconsistent with the brightness level retrieved using a "DIMMER LEVEL SPEED"
             // or "DIMMER STATUS" DIMENSION REQUEST frame (e.g when setting the brightness to 30%, a F418U2 SCS
             // dimmer correctly reports the "130" value when using a DIMENSION REQUEST but returns "5" (50%)
-            // when using a STATUS REQUEST. To avoid that, this event handler monitors all the ON% BUS COMMAND
+            // when using a STATUS REQUEST). To avoid that, this event handler monitors all the ON% BUS COMMAND
             // frames and retrieves the exact brightness level using a "DIMMER LEVEL SPEED" DIMENSION REQUEST.
             OpenNettyNotifications.MessageReceived {
                 Session.Type: OpenNettySessionType.Event,
@@ -1570,7 +1570,7 @@ await _events.PublishAsync(new SwitchStateReportedEventArgs(endpoint,
                      command == OpenNettyCommands.Lighting.On100
                     => AsyncObservable.Return<(OpenNettyNotification Notification, OpenNettyMessage Message)>((notification, message)),
 
-            // Note: some Nitoo devices (like the 067210, 067212 and 067214 dimmers) offer preset buttons that allow
+            // Note: some Nitoo devices (like the 67210, 67212 and 67214 dimmers) offer preset buttons that allow
             // setting the brightness to a fixed value configured by the user directly on the device. When pressed,
             // the dimmer moves to the specified level and emits a SCENARIO ACTION frame but doesn't specify the
             // actual value, that must be retrieved separately using a DIMENSION REQUEST to determine the exact level.

src/OpenNetty/OpenNettyDevice.cs

@@ -39,7 +39,7 @@ public sealed class OpenNettyDevice : IEquatable<OpenNettyDevice>
     /// <summary>
     /// Gets or sets the units associated with the device, if applicable.
     /// </summary>
-    public ImmutableArray<OpenNettyUnit> Units { get; init; }
+    public ImmutableArray<OpenNettyUnit> Units { get; init; } = [];
 
     /// <summary>
     /// Resolves the specified boolean setting from the settings.

src/OpenNetty/OpenNettyDimension.cs

@@ -79,7 +79,7 @@ public OpenNettyDimension(OpenNettyCategory category, string value, ImmutableArr
     /// <summary>
     /// Gets the additional parameters associated with the dimension, if applicable.
     /// </summary>
-    public ImmutableArray<string> Parameters { get; }
+    public ImmutableArray<string> Parameters { get; } = [];
 
     /// <inheritdoc/>
     public bool Equals(OpenNettyDimension other)

src/OpenNetty/OpenNettyField.cs

@@ -38,7 +38,7 @@ public OpenNettyField(params IEnumerable<OpenNettyParameter> parameters)
     /// <summary>
     /// Gets the raw parameters included in the field.
     /// </summary>
-    public ImmutableArray<OpenNettyParameter> Parameters { get; }
+    public ImmutableArray<OpenNettyParameter> Parameters { get; } = [];
 
     /// <summary>
     /// Represents an empty field.

src/OpenNetty/OpenNettyFrame.cs

@@ -38,7 +38,7 @@ public OpenNettyFrame(params IEnumerable<OpenNettyField> fields)
     /// <summary>
     /// Gets the raw fields included in the current frame.
     /// </summary>
-    public ImmutableArray<OpenNettyField> Fields { get; }
+    public ImmutableArray<OpenNettyField> Fields { get; } = [];
 
     /// <summary>
     /// Parses an OpenNetty frame from the specified <paramref name="value"/>.

src/OpenNetty/OpenNettyModels.cs

@@ -490,7 +490,7 @@ public sealed record class UnitDescription
             /// <summary>
             /// Gets or sets the values.
             /// </summary>
-            public ImmutableArray<string> Values { get; init; }
+            public ImmutableArray<string> Values { get; init; } = [];
 
             /// <summary>
             /// Creates a new instance of the <see cref="UnitDescription"/> class using the specified unit description.

src/OpenNetty/OpenNettySession.cs

@@ -147,15 +147,18 @@ public async ValueTask SendAsync(
             throw new InvalidOperationException(SR.GetResourceString(SR.ID0010));
         }
 
-        var address = message.Address;
-
         if (options.HasFlag(OpenNettyTransmissionOptions.RequireActionValidation))
         {
             if (message.Protocol is not OpenNettyProtocol.Nitoo)
             {
                 throw new InvalidOperationException(SR.GetResourceString(SR.ID0011));
             }
 
+            if (message.Address is null)
+            {
+                throw new InvalidOperationException(SR.GetResourceString(SR.ID0014));
+            }
+
             if (message.Type is not (OpenNettyMessageType.BusCommand or OpenNettyMessageType.DimensionSet))
             {
                 throw new InvalidOperationException(SR.GetResourceString(SR.ID0012));
@@ -165,11 +168,6 @@ public async ValueTask SendAsync(
             {
                 throw new InvalidOperationException(SR.GetResourceString(SR.ID0013));
             }
-
-            if (address is null)
-            {
-                throw new InvalidOperationException(SR.GetResourceString(SR.ID0014));
-            }
         }
 
         if (!await _semaphore.WaitAsync(TimeSpan.Zero, cancellationToken))
@@ -179,6 +177,8 @@ public async ValueTask SendAsync(
 
         try
         {
+            var address = message.Address;
+
             var messages = _observable.ObserveOn(TaskPoolAsyncScheduler.Default)
                 .Where(message => message switch
                 {