chore: remove gitignored files from tracking, update channels

- Remove .vscode/, __pycache__/, publish binaries, and .dll/.pdb files from git tracking (now covered by .gitignore)

.vscode/extensions.json

@@ -1,10 +0,0 @@
-{
-    "recommendations": [
-        "ms-dotnettools.csdevkit",
-        "ms-dotnettools.csharp",
-        "ms-dotnettools.dotnet-interactive-vscode",
-        "bierner.markdown-mermaid",
-        "visualstudioexptteam.vscodeintellicode",
-        "SonarSource.sonarlint-vscode"
-    ]
-}

.vscode/settings.json

@@ -1,216 +0,0 @@
-{
-  // ═══════════════════════════════════════════════════════════════════════
-  // GitHub Copilot Settings for QuanTAlib Workspace
-  // Optimized for high-performance financial library development
-  // ═══════════════════════════════════════════════════════════════════════
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Copilot Core Settings
-  // ───────────────────────────────────────────────────────────────────────
-
-  // Enable Copilot completions (suggestions appear automatically)
-  "github.copilot.editor.enableAutoCompletions": true,
-
-  // Enable Copilot for all file types
-  "github.copilot.enable": {
-    "*": true,
-    "plaintext": false,
-    "markdown": true,
-    "scminput": false
-  },
-
-  // Show inline suggestions
-  "editor.inlineSuggest.enabled": true,
-
-  // Always show the inline suggestion toolbar
-  "editor.inlineSuggest.showToolbar": "always",
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Copilot Chat Settings (Manual Review Required)
-  // ───────────────────────────────────────────────────────────────────────
-
-  // DO NOT auto-apply chat edits - require manual review for quality control
-  "chat.editing.autoApply": "off",
-
-  // Confirm before removing edit requests
-  "chat.editing.confirmEditRequestRemoval": true,
-
-  // Show chat panel on the side
-  "chat.editor.wordWrap": "on",
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Editor Settings for Productivity
-  // ───────────────────────────────────────────────────────────────────────
-
-  // Enable quick suggestions in all contexts
-  "editor.quickSuggestions": {
-    "other": true,
-    "comments": true,
-    "strings": true
-  },
-
-  // Show suggestions on trigger characters
-  "editor.suggestOnTriggerCharacters": true,
-
-  // Accept suggestion on commit character (like dot, parenthesis)
-  "editor.acceptSuggestionOnCommitCharacter": true,
-
-  // Faster suggestion appearance
-  "editor.quickSuggestionsDelay": 0,
-
-  // Show snippet suggestions with other suggestions
-  "editor.snippetSuggestions": "inline",
-
-  // Tab key behavior
-  "editor.tabCompletion": "on",
-
-  // ───────────────────────────────────────────────────────────────────────
-  // C# Specific Settings
-  // ───────────────────────────────────────────────────────────────────────
-
-  "[csharp]": {
-    "editor.formatOnSave": true,
-    "editor.formatOnPaste": true,
-    "editor.codeActionsOnSave": {
-      "source.organizeImports": "explicit"
-    },
-    "editor.quickSuggestions": {
-      "other": true,
-      "comments": true,
-      "strings": true
-    }
-  },
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Performance & Quality Control
-  // ───────────────────────────────────────────────────────────────────────
-
-  // Save automatically (helps with Copilot context)
-  "files.autoSave": "afterDelay",
-  "files.autoSaveDelay": 1000,
-
-  // Force LF line endings (matches .gitattributes and .editorconfig)
-  "files.eol": "\n",
-  // Show whitespace (important for performance-critical code)
-  "editor.renderWhitespace": "boundary",
-
-  // Show inline parameter hints
-  "editor.inlayHints.enabled": "on",
-
-  // Highlight matching brackets
-  "editor.bracketPairColorization.enabled": true,
-  "editor.guides.bracketPairs": true,
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Git Integration
-  // ───────────────────────────────────────────────────────────────────────
-
-  // Auto-fetch git changes
-  "git.autofetch": true,
-
-  // Confirm before synchronizing
-  "git.confirmSync": false,
-
-  // Show inline blame
-  "git.decorations.enabled": true,
-
-  "terminal.integrated.shellIntegration.enabled": true,
-  "terminal.integrated.suggest.enabled": true,
-
-
-  // ───────────────────────────────────────────────────────────────────────
-  // File Exclusions (Reduce Noise)
-  // ───────────────────────────────────────────────────────────────────────
-
-  "files.exclude": {
-    "**/bin": true,
-    "**/obj": true,
-    "**/.vs": true,
-    "**/node_modules": true,
-    "**/.git": false
-  },
-
-  "search.exclude": {
-    "**/bin": true,
-    "**/obj": true,
-    "**/node_modules": true,
-    "**/.vs": true,
-    "**/coverage": true
-  },
-
-  // ───────────────────────────────────────────────────────────────────────
-  // .NET Specific Settings
-  // ───────────────────────────────────────────────────────────────────────
-
-  "omnisharp.enableEditorConfigSupport": true,
-  "omnisharp.enableRoslynAnalyzers": true,
-  "dotnet.backgroundAnalysis.enabled": true,
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Testing Integration
-  // ───────────────────────────────────────────────────────────────────────
-
-  "dotnet.defaultSolution": "QuanTAlib.sln",
-  "dotnet.testController.enabled": true,
-  "dotnet.unitTestDebuggingEnabled": true,
-  "dotnet.unitTests.runSettingsPath": ".config/coverage.runsettings",
-  "dotnet.completion.showCompletionItemsFromUnimportedNamespaces": true,
-  "dotnet.server.useOmnisharp": false,
-
-  // Python test discovery (pytest)
-  "python.testing.pytestEnabled": true,
-  "python.testing.unittestEnabled": false,
-  "python.testing.pytestArgs": [
-    "python"
-  ],
-  "sonarlint.connectedMode.project": {
-    "connectionId": "mihakralj-quantalib",
-    "projectKey": "mihakralj_QuanTAlib"
-  },
-  "coderabbit.agentType": "Roo",
-  "qodana.pathPrefix": "",
-  "qodana.args": ["--config", ".qodana/qodana.yaml"],
-
-  // ───────────────────────────────────────────────────────────────────────
-  // Terminal Settings
-  // ───────────────────────────────────────────────────────────────────────
-
-  // Set PowerShell 7 as the default terminal on Windows
-  "terminal.integrated.defaultProfile.windows": "PowerShell",
-
-  // Terminal profiles for Windows
-  "terminal.integrated.profiles.windows": {
-    "PowerShell": {
-      "source": "PowerShell",
-      "icon": "terminal-powershell"
-    },
-    "Git Bash": {
-      "path": "C:\\Program Files\\Git\\bin\\bash.exe",
-      "icon": "terminal-bash"
-    }
-  },
-  "qodana.projectId": "KbxmN",
-  "github.copilot.mcpServers": {
-    "code-to-tree": {
-      "command": "C:\\github\\code-to-tree.exe"
-    }
-  },
-  "coderabbit.autoReviewMode": "disabled"
-
-  // ═══════════════════════════════════════════════════════════════════════
-  // Keyboard Shortcuts Reference
-  // ═══════════════════════════════════════════════════════════════════════
-  // Tab               - Accept inline suggestion
-  // Ctrl+Right        - Accept next word
-  // Ctrl+Enter        - Accept line
-  // Esc               - Dismiss suggestion
-  // Alt+]             - Next suggestion
-  // Alt+[             - Previous suggestion
-  // Ctrl+I            - Open Copilot Chat
-  //
-  // Quality Control Reminders:
-  // - Review all Copilot suggestions for optimization patterns
-  // - Run tests after accepting: dotnet test
-  // - Check performance impact with benchmarks
-  // - Validate against reference implementations
-}

.vscode/tasks.json

@@ -1,47 +0,0 @@
-{
-  "version": "2.0.0",
-  "tasks": [
-    {
-      "label": "Build",
-      "detail": "dotnet build QuanTAlib.sln",
-      "type": "process",
-      "command": "dotnet",
-      "args": [
-        "build",
-        "${workspaceFolder}/QuanTAlib.sln",
-        "/property:GenerateFullPaths=true",
-        "/consoleloggerparameters:NoSummary"
-      ],
-      "problemMatcher": "$msCompile",
-      "group": { "kind": "build", "isDefault": true }
-    },
-    {
-      "label": "Build Library",
-      "detail": "dotnet build lib/quantalib.csproj (Debug, net10.0)",
-      "type": "process",
-      "command": "dotnet",
-      "args": [
-        "build",
-        "${workspaceFolder}/lib/quantalib.csproj",
-        "--configuration", "Debug",
-        "--framework", "net10.0"
-      ],
-      "problemMatcher": "$msCompile",
-      "group": "build"
-    },
-    {
-      "label": "Test",
-      "detail": "dotnet test lib/QuanTAlib.Tests.csproj (net10.0)",
-      "type": "process",
-      "command": "dotnet",
-      "args": [
-        "test",
-        "${workspaceFolder}/lib/QuanTAlib.Tests.csproj",
-        "--framework", "net10.0"
-      ],
-      "problemMatcher": "$msCompile",
-      "group": { "kind": "test", "isDefault": true },
-      "presentation": { "reveal": "always", "panel": "new" }
-    }
-  ]
-}

lib/channels/aberr/Aberr.cs

@@ -1,4 +1,5 @@
 using System.Buffers;
+using System.Diagnostics.CodeAnalysis;
 using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
@@ -413,14 +414,14 @@ public sealed class Aberr : ITValuePublisher, IDisposable
     /// </summary>
     [StructLayout(LayoutKind.Auto)]
 #pragma warning disable S1104 // Fields should not have public accessibility
-    public ref struct BatchOutputs
+    public readonly ref struct BatchOutputs
     {
         /// <summary>Output middle band (SMA of source)</summary>
-        public Span<double> Middle;
+        public readonly Span<double> Middle;
         /// <summary>Output upper band</summary>
-        public Span<double> Upper;
+        public readonly Span<double> Upper;
         /// <summary>Output lower band</summary>
-        public Span<double> Lower;
+        public readonly Span<double> Lower;
 #pragma warning restore S1104
 
         /// <summary>
@@ -432,12 +433,26 @@ public sealed class Aberr : ITValuePublisher, IDisposable
             Upper = upper;
             Lower = lower;
         }
+
+        public bool Equals(BatchOutputs other) =>
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Middle), ref MemoryMarshal.GetReference(other.Middle)) &&
+            Middle.Length == other.Middle.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Upper), ref MemoryMarshal.GetReference(other.Upper)) &&
+            Upper.Length == other.Upper.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Lower), ref MemoryMarshal.GetReference(other.Lower)) &&
+            Lower.Length == other.Lower.Length;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(Middle.Length, Upper.Length, Lower.Length);
+        public static bool operator ==(BatchOutputs left, BatchOutputs right) => left.Equals(right);
+        public static bool operator !=(BatchOutputs left, BatchOutputs right) => !left.Equals(right);
     }
 
     /// <summary>
     /// Internal state for scalar calculation.
     /// </summary>
     [StructLayout(LayoutKind.Auto)]
+    [SuppressMessage("NDepend", "ND1903:StructuresShouldBeImmutable", Justification = "Mutable calculation state accumulator by design")]
     private ref struct ScalarState
     {
         internal double SumSource;
@@ -445,6 +460,16 @@ public sealed class Aberr : ITValuePublisher, IDisposable
         internal double LastValidValue;
         internal int BufferIndex;
         internal int TickCount;
+
+        public bool Equals(ScalarState other) =>
+            SumSource.Equals(other.SumSource) && SumDeviation.Equals(other.SumDeviation) &&
+            LastValidValue.Equals(other.LastValidValue) && BufferIndex == other.BufferIndex &&
+            TickCount == other.TickCount;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(SumSource, SumDeviation, LastValidValue, BufferIndex, TickCount);
+        public static bool operator ==(ScalarState left, ScalarState right) => left.Equals(right);
+        public static bool operator !=(ScalarState left, ScalarState right) => !left.Equals(right);
     }
 
     /// <summary>
@@ -455,6 +480,17 @@ public sealed class Aberr : ITValuePublisher, IDisposable
     {
         internal readonly Span<double> Source = source;
         internal readonly Span<double> Deviation = deviation;
+
+        public bool Equals(WorkBuffers other) =>
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Source), ref MemoryMarshal.GetReference(other.Source)) &&
+            Source.Length == other.Source.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Deviation), ref MemoryMarshal.GetReference(other.Deviation)) &&
+            Deviation.Length == other.Deviation.Length;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(Source.Length, Deviation.Length);
+        public static bool operator ==(WorkBuffers left, WorkBuffers right) => left.Equals(right);
+        public static bool operator !=(WorkBuffers left, WorkBuffers right) => !left.Equals(right);
     }
 
     /// <summary>

lib/channels/accbands/AccBands.cs

@@ -1,4 +1,5 @@
 using System.Buffers;
+using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -475,14 +476,14 @@ public sealed class AccBands : ITValuePublisher, IDisposable
     /// </remarks>
     [StructLayout(LayoutKind.Auto)]
 #pragma warning disable S1104 // Fields should not have public accessibility
-    public ref struct BatchOutputs
+    public readonly ref struct BatchOutputs
     {
         /// <summary>Output middle band (SMA of close)</summary>
-        public Span<double> Middle;
+        public readonly Span<double> Middle;
         /// <summary>Output upper band</summary>
-        public Span<double> Upper;
+        public readonly Span<double> Upper;
         /// <summary>Output lower band</summary>
-        public Span<double> Lower;
+        public readonly Span<double> Lower;
 #pragma warning restore S1104
 
         /// <summary>
@@ -494,6 +495,19 @@ public sealed class AccBands : ITValuePublisher, IDisposable
             Upper = upper;
             Lower = lower;
         }
+
+        public bool Equals(BatchOutputs other) =>
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Middle), ref MemoryMarshal.GetReference(other.Middle)) &&
+            Middle.Length == other.Middle.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Upper), ref MemoryMarshal.GetReference(other.Upper)) &&
+            Upper.Length == other.Upper.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Lower), ref MemoryMarshal.GetReference(other.Lower)) &&
+            Lower.Length == other.Lower.Length;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(Middle.Length, Upper.Length, Lower.Length);
+        public static bool operator ==(BatchOutputs left, BatchOutputs right) => left.Equals(right);
+        public static bool operator !=(BatchOutputs left, BatchOutputs right) => !left.Equals(right);
     }
 
     /// <summary>
@@ -501,14 +515,14 @@ public sealed class AccBands : ITValuePublisher, IDisposable
     /// </summary>
     [StructLayout(LayoutKind.Auto)]
 #pragma warning disable S1104 // Fields should not have public accessibility
-    public ref struct BatchInputs
+    public readonly ref struct BatchInputs
     {
         /// <summary>High price values</summary>
-        public ReadOnlySpan<double> High;
+        public readonly ReadOnlySpan<double> High;
         /// <summary>Low price values</summary>
-        public ReadOnlySpan<double> Low;
+        public readonly ReadOnlySpan<double> Low;
         /// <summary>Close price values</summary>
-        public ReadOnlySpan<double> Close;
+        public readonly ReadOnlySpan<double> Close;
 #pragma warning restore S1104
 
         /// <summary>
@@ -520,12 +534,26 @@ public sealed class AccBands : ITValuePublisher, IDisposable
             Low = low;
             Close = close;
         }
+
+        public bool Equals(BatchInputs other) =>
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(High), ref MemoryMarshal.GetReference(other.High)) &&
+            High.Length == other.High.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Low), ref MemoryMarshal.GetReference(other.Low)) &&
+            Low.Length == other.Low.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Close), ref MemoryMarshal.GetReference(other.Close)) &&
+            Close.Length == other.Close.Length;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(High.Length, Low.Length, Close.Length);
+        public static bool operator ==(BatchInputs left, BatchInputs right) => left.Equals(right);
+        public static bool operator !=(BatchInputs left, BatchInputs right) => !left.Equals(right);
     }
 
     /// <summary>
     /// Internal state for scalar calculation.
     /// </summary>
     [StructLayout(LayoutKind.Auto)]
+    [SuppressMessage("NDepend", "ND1903:StructuresShouldBeImmutable", Justification = "Mutable calculation state accumulator by design")]
     private ref struct ScalarState
     {
         internal double SumAdjHigh;
@@ -536,6 +564,17 @@ public sealed class AccBands : ITValuePublisher, IDisposable
         internal double LastValidClose;
         internal int BufferIndex;
         internal int TickCount;
+
+        public bool Equals(ScalarState other) =>
+            SumAdjHigh.Equals(other.SumAdjHigh) && SumAdjLow.Equals(other.SumAdjLow) &&
+            SumClose.Equals(other.SumClose) && LastValidHigh.Equals(other.LastValidHigh) &&
+            LastValidLow.Equals(other.LastValidLow) && LastValidClose.Equals(other.LastValidClose) &&
+            BufferIndex == other.BufferIndex && TickCount == other.TickCount;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(SumAdjHigh, SumAdjLow, SumClose, BufferIndex, TickCount);
+        public static bool operator ==(ScalarState left, ScalarState right) => left.Equals(right);
+        public static bool operator !=(ScalarState left, ScalarState right) => !left.Equals(right);
     }
 
     /// <summary>
@@ -547,6 +586,19 @@ public sealed class AccBands : ITValuePublisher, IDisposable
         internal readonly Span<double> AdjHigh = adjHigh;
         internal readonly Span<double> AdjLow = adjLow;
         internal readonly Span<double> Close = close;
+
+        public bool Equals(WorkBuffers other) =>
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(AdjHigh), ref MemoryMarshal.GetReference(other.AdjHigh)) &&
+            AdjHigh.Length == other.AdjHigh.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(AdjLow), ref MemoryMarshal.GetReference(other.AdjLow)) &&
+            AdjLow.Length == other.AdjLow.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Close), ref MemoryMarshal.GetReference(other.Close)) &&
+            Close.Length == other.Close.Length;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(AdjHigh.Length, AdjLow.Length, Close.Length);
+        public static bool operator ==(WorkBuffers left, WorkBuffers right) => left.Equals(right);
+        public static bool operator !=(WorkBuffers left, WorkBuffers right) => !left.Equals(right);
     }
 
     /// <summary>

lib/channels/apz/Apz.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
@@ -412,14 +413,14 @@ public sealed class Apz : ITValuePublisher
     /// </summary>
     [StructLayout(LayoutKind.Auto)]
 #pragma warning disable S1104 // Fields should not have public accessibility
-    public ref struct BatchOutputs
+    public readonly ref struct BatchOutputs
     {
         /// <summary>Output middle band (double-smoothed EMA of price)</summary>
-        public Span<double> Middle;
+        public readonly Span<double> Middle;
         /// <summary>Output upper band</summary>
-        public Span<double> Upper;
+        public readonly Span<double> Upper;
         /// <summary>Output lower band</summary>
-        public Span<double> Lower;
+        public readonly Span<double> Lower;
 #pragma warning restore S1104
 
         /// <summary>
@@ -431,12 +432,26 @@ public sealed class Apz : ITValuePublisher
             Upper = upper;
             Lower = lower;
         }
+
+        public bool Equals(BatchOutputs other) =>
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Middle), ref MemoryMarshal.GetReference(other.Middle)) &&
+            Middle.Length == other.Middle.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Upper), ref MemoryMarshal.GetReference(other.Upper)) &&
+            Upper.Length == other.Upper.Length &&
+            Unsafe.AreSame(ref MemoryMarshal.GetReference(Lower), ref MemoryMarshal.GetReference(other.Lower)) &&
+            Lower.Length == other.Lower.Length;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(Middle.Length, Upper.Length, Lower.Length);
+        public static bool operator ==(BatchOutputs left, BatchOutputs right) => left.Equals(right);
+        public static bool operator !=(BatchOutputs left, BatchOutputs right) => !left.Equals(right);
     }
 
     /// <summary>
     /// Internal state for scalar calculation.
     /// </summary>
     [StructLayout(LayoutKind.Auto)]
+    [SuppressMessage("NDepend", "ND1903:StructuresShouldBeImmutable", Justification = "Mutable calculation state accumulator by design")]
     private ref struct ScalarState
     {
         internal double Ema1Price;
@@ -448,6 +463,18 @@ public sealed class Apz : ITValuePublisher
         internal double LastValidHigh;
         internal double LastValidLow;
         internal bool IsHot;
+
+        public bool Equals(ScalarState other) =>
+            Ema1Price.Equals(other.Ema1Price) && Ema2Price.Equals(other.Ema2Price) &&
+            Ema1Range.Equals(other.Ema1Range) && Ema2Range.Equals(other.Ema2Range) &&
+            E.Equals(other.E) && LastValidPrice.Equals(other.LastValidPrice) &&
+            LastValidHigh.Equals(other.LastValidHigh) && LastValidLow.Equals(other.LastValidLow) &&
+            IsHot == other.IsHot;
+
+        public override bool Equals(object? obj) => false;
+        public override int GetHashCode() => HashCode.Combine(Ema1Price, Ema2Price, Ema1Range, Ema2Range, E, IsHot);
+        public static bool operator ==(ScalarState left, ScalarState right) => left.Equals(right);
+        public static bool operator !=(ScalarState left, ScalarState right) => !left.Equals(right);
     }
 
     /// <summary>

lib/core/tests/IndicatorProperties.Tests.cs

@@ -3,7 +3,7 @@ using System.Linq;
 using Xunit;
 using QuanTAlib;
 
-namespace QuanTAlib.Tests.Core;
+namespace QuanTAlib.Tests;
 
 /// <summary>
 /// Tests verifying the structural stability of indicators across the repository.