fix: codacy problems

backend/MangaMagnet.Api/Service/BroadcastProgressService.cs

@@ -9,6 +9,7 @@ namespace MangaMagnet.Api.Service;
 
 public class BroadcastProgressService(ProgressService progressService, WebSocketService webSocketService, IOptions<JsonOptions> jsonOptions) : BackgroundService
 {
+	/// <inheritdoc />
 	protected override async Task ExecuteAsync(CancellationToken stoppingToken)
 	{
 		try

backend/MangaMagnet.Api/Service/WebSocketService.cs

@@ -31,7 +31,7 @@ public void RemoveSocket(Guid id)
 	/// </summary>
 	/// <param name="memory">Message to send.</param>
 	/// <param name="stoppingToken">Cancellation token.</param>
-	public async Task SendToAllAsync(ReadOnlyMemory<byte> memory, CancellationToken stoppingToken = default)
+	public async Task SendToAllAsync(ReadOnlyMemory<byte> memory, CancellationToken stoppingToken)
 	{
 		foreach (var socket in _sockets.Values)
 		{

backend/MangaMagnet.Core/Progress/Models/ProgressTask.cs

@@ -61,7 +61,12 @@ private bool SetField<T>(ref T field, T value, [CallerMemberName] string? proper
 	{
 		if (EqualityComparer<T>.Default.Equals(field, value)) return false;
 		field = value;
-		PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
+		if (PropertyChanged is not null)
+		{
+			PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
+		}
+
 		return true;
 	}
 

backend/MangaMagnet.Core/Util/PooledArrayBufferWriter.cs

@@ -17,8 +17,16 @@ public sealed class PooledArrayBufferWriter<T> : IBufferWriter<T>, IDisposable
 	/// <summary>
 	/// Initializes a new instance of the <see cref="PooledArrayBufferWriter{T}"/> class.
 	/// </summary>
-	/// <param name="pool">The pool to use. Defaults to <see cref="ArrayPool{T}.Shared"/>.</param>
-	public PooledArrayBufferWriter(ArrayPool<T>? pool = null)
+	public PooledArrayBufferWriter()
+		: this(ArrayPool<T>.Shared)
+	{
+	}
+
+	/// <summary>
+	/// Initializes a new instance of the <see cref="PooledArrayBufferWriter{T}"/> class.
+	/// </summary>
+	/// <param name="pool">The pool to use.</param>
+	public PooledArrayBufferWriter(ArrayPool<T> pool)
 	{
 		_pool = pool ?? ArrayPool<T>.Shared;
 		_buffer = _pool.Rent(InitialBufferSize);
@@ -50,7 +58,7 @@ public void Advance(int count)
 	}
 
 	/// <inheritdoc />
-	public Memory<T> GetMemory(int sizeHint = 0)
+	public Memory<T> GetMemory(int sizeHint)
 	{
 		if (_buffer.Length - _index < sizeHint)
 		{
@@ -61,7 +69,7 @@ public Memory<T> GetMemory(int sizeHint = 0)
 	}
 
 	/// <inheritdoc />
-	public Span<T> GetSpan(int sizeHint = 0)
+	public Span<T> GetSpan(int sizeHint)
 	{
 		return GetMemory(sizeHint).Span;
 	}