feat: Enhance concurrency support and Sendable conformance across multiple components

Author: tattn

app/xcode/Sources/VCamBridge/DispatchQueue+MainActor.swift

@@ -0,0 +1,18 @@
+import Foundation
+
+extension DispatchQueue {
+    /// Asynchronously executes a closure on the main thread with MainActor isolation.
+    ///
+    /// This method is preferred over `Task { @MainActor in }` for performance-critical code
+    /// (e.g., 60fps tracking).
+    /// `Task` creates a new task context, while `DispatchQueue.main.async` is a lightweight
+    /// dispatch to the main thread.
+    @inline(__always)
+    public static func runOnMain(_ operation: @MainActor @escaping () -> Void) {
+        main.async {
+            MainActor.assumeIsolated {
+                operation()
+            }
+        }
+    }
+}

app/xcode/Sources/VCamBridge/UniBridge+Typed.swift

@@ -55,7 +55,7 @@ public struct ScreenResolutionPayload: Equatable {
 
 // MARK: - Bridge Callback
 public extension UniBridge {
-    nonisolated(unsafe) static var methodCallback: (UniBridgeMethodId, UnsafeMutableRawPointer?, UnsafeMutableRawPointer?) -> Void = { _, _, _ in }
+    @MainActor static var methodCallback: (UniBridgeMethodId, UnsafeMutableRawPointer?, UnsafeMutableRawPointer?) -> Void = { _, _, _ in }
 }
 
 // MARK: - Bridge Implementation

app/xcode/Sources/VCamBridge/UniBridge.swift

@@ -1,6 +1,8 @@
 /// GENERATED BY ./scripts/generate_bridge
 import SwiftUI
-public final class UniBridge: @unchecked Sendable {
+
+@MainActor
+public final class UniBridge {
     public static let shared = UniBridge()
     private init() {}
     public enum IntType: Int32, Sendable {

app/xcode/Sources/VCamBridge/ValueBinding.swift

@@ -3,7 +3,8 @@ import class AppKit.NSColor
 import struct SwiftUI.Binding
 import struct SwiftUI.Color
 
-public final class ValueBinding<Value, Kind: RawRepresentable>: @unchecked Sendable where Kind.RawValue == Int32, Kind: Sendable {
+@MainActor
+public final class ValueBinding<Value, Kind: RawRepresentable> where Kind.RawValue == Int32, Kind: Sendable {
     public var getValue: ((Kind) -> Value)?
     public var setValue: (Kind, Value) -> Void = { _, _ in }
 

app/xcode/Sources/VCamData/ModelManager.swift

@@ -28,6 +28,10 @@ public final class ModelManager {
         return modelItems.first { $0.id == id }
     }
 
+    public func model(for modelId: UUID) -> Models.Model? {
+        modelItems.first { $0.id == modelId }?.model
+    }
+
     public func setLastLoadedModel(_ model: ModelItem) {
         lastLoadedModelId = model.id
         saveMeta()

app/xcode/Sources/VCamData/UniState+Value.swift

@@ -16,8 +16,9 @@ public struct UniStateValue<Value> {
     public typealias SelfKeyPath = ReferenceWritableKeyPath<UniState, Self>
 
     private let keyPath: ValueKeyPath
-    private let onSet: ((UniState, Value) -> Void)?
+    private let onSet: (@MainActor (UniState, Value) -> Void)?
 
+    @MainActor
     public static subscript(
         _enclosingInstance instance: UniState,
         wrapped wrappedKeyPath: ValueKeyPath,
@@ -39,7 +40,7 @@ public struct UniStateValue<Value> {
         set { fatalError() }
     }
 
-    init(_ keyPath: ValueKeyPath, onSet: ((UniState, Value) -> Void)? = nil) {
+    init(_ keyPath: ValueKeyPath, onSet: (@MainActor (UniState, Value) -> Void)? = nil) {
         self.keyPath = keyPath
         self.onSet = onSet
     }
@@ -49,14 +50,14 @@ public struct UniStateValue<Value> {
 
 extension UniStateValue where Value == Bool {
     init(_ keyPath: ValueKeyPath, persist: UserDefaults.Key<Bool>? = nil, bridge: UniBridge.BoolType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             if let key = persist { UserDefaults.standard.set(newValue, for: key) }
             UniBridge.shared.boolMapper.setValue(bridge, newValue)
         }
     }
 
     init(_ keyPath: ValueKeyPath, persistAsInt: UserDefaults.Key<Int>, trueValue: Int = 1, bridge: UniBridge.BoolType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             UserDefaults.standard.set(newValue ? trueValue : 0, for: persistAsInt)
             UniBridge.shared.boolMapper.setValue(bridge, newValue)
         }
@@ -67,14 +68,14 @@ extension UniStateValue where Value == Bool {
 
 extension UniStateValue where Value == CGFloat {
     init(_ keyPath: ValueKeyPath, persist: UserDefaults.Key<Double>? = nil, bridge: UniBridge.FloatType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             if let key = persist { UserDefaults.standard.set(Double(newValue), for: key) }
             UniBridge.shared.floatMapper.setValue(bridge, newValue)
         }
     }
 
     init(_ keyPath: ValueKeyPath, bridge: UniBridge.FloatType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             UniBridge.shared.floatMapper.setValue(bridge, newValue)
         }
     }
@@ -84,14 +85,14 @@ extension UniStateValue where Value == CGFloat {
 
 extension UniStateValue where Value == Int32 {
     init(_ keyPath: ValueKeyPath, persist: UserDefaults.Key<Int>? = nil, bridge: UniBridge.IntType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             if let key = persist { UserDefaults.standard.set(Int(newValue), for: key) }
             UniBridge.shared.intMapper.setValue(bridge, newValue)
         }
     }
 
     init(_ keyPath: ValueKeyPath, bridge: UniBridge.IntType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             UniBridge.shared.intMapper.setValue(bridge, newValue)
         }
     }
@@ -101,7 +102,7 @@ extension UniStateValue where Value == Int32 {
 
 extension UniStateValue where Value == String {
     init(_ keyPath: ValueKeyPath, persist: UserDefaults.Key<String>? = nil, bridge: UniBridge.StringType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             if let key = persist { UserDefaults.standard.set(newValue, for: key) }
             UniBridge.shared.stringMapper.setValue(bridge, newValue)
         }
@@ -112,7 +113,7 @@ extension UniStateValue where Value == String {
 
 extension UniStateValue where Value == Color {
     init(_ keyPath: ValueKeyPath, persist: UserDefaults.Key<String>? = nil, bridge: UniBridge.StructType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             if let key = persist, let hex = newValue.hexRGBAString {
                 UserDefaults.standard.set(hex, for: key)
             }
@@ -121,7 +122,7 @@ extension UniStateValue where Value == Color {
     }
 
     init(_ keyPath: ValueKeyPath, bridge: UniBridge.StructType) {
-        self.init(keyPath) { _, newValue in
+        self.init(keyPath) { @MainActor _, newValue in
             UniBridge.shared.structMapper.binding(bridge).wrappedValue = newValue
         }
     }

app/xcode/Sources/VCamDefaults/UserDefaultValue.swift

@@ -1,13 +1,6 @@
-//
-//  UserDefaultsValue.swift
-//  
-//
-//  Created by Tatsuya Tanaka on 2022/04/23.
-//
-
 import Foundation
 
-public protocol UserDefaultsValue {
+public protocol UserDefaultsValue: Sendable {
     associatedtype EncodeValue
     func encodeUserDefaultValue() -> EncodeValue
     static func decodeUserDefaultValue(_ value: EncodeValue) -> Self?

app/xcode/Sources/VCamDefaults/UserDefaults+.swift

@@ -22,7 +22,7 @@ public extension UserDefaults {
 }
 
 public extension UserDefaults {
-    struct Key<Value: UserDefaultsValue> {
+    struct Key<Value: UserDefaultsValue>: Sendable {
         public let rawValue: String
         public let defaultValue: Value
 

app/xcode/Sources/VCamEntity/Version.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-public struct Version {
+public struct Version: Sendable {
     public let components: [Int]
 
     static var bundle: Bundle { .main }