commit 2a669bdfe77c460e45c155cbb81d41fe425da161
Author: home-PC <gamewhale@163.com>
Date:   Wed May 20 00:12:17 2026 +0800

    feat(app): 初始化 OmniScheduler WPF 调度器
    
    基于 PRD 搭建 .NET 8 WPF 桌面应用，包含主控制台、任务编辑、全局设置、系统托盘和应用图标集成。
    
    实现本地任务模型、触发器规则、JSON 状态持久化、OmniNotify HTTP 推送、执行日志记录、动态变量替换以及基础 Cron 预览能力。
    
    补充 .gitignore，排除构建产物和本地 IDE 文件。
    
    BREAKING CHANGE: 首次提交，建立项目初始结构

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b883a13
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+bin/
+obj/
+**/bin/
+**/obj/
+.vs/
+*.user
+*.suo
diff --git a/OmniScheduler/App.xaml b/OmniScheduler/App.xaml
new file mode 100644
index 0000000..969bbd6
--- /dev/null
+++ b/OmniScheduler/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="OmniScheduler.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:OmniScheduler"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/OmniScheduler/App.xaml.cs b/OmniScheduler/App.xaml.cs
new file mode 100644
index 0000000..46becf4
--- /dev/null
+++ b/OmniScheduler/App.xaml.cs
@@ -0,0 +1,5 @@
+namespace OmniScheduler;
+
+public partial class App : System.Windows.Application
+{
+}
diff --git a/OmniScheduler/AssemblyInfo.cs b/OmniScheduler/AssemblyInfo.cs
new file mode 100644
index 0000000..cc29e7f
--- /dev/null
+++ b/OmniScheduler/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly:ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]
diff --git a/OmniScheduler/MainWindow.xaml b/OmniScheduler/MainWindow.xaml
new file mode 100644
index 0000000..e9883b3
--- /dev/null
+++ b/OmniScheduler/MainWindow.xaml
@@ -0,0 +1,103 @@
+<Window x:Class="OmniScheduler.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="OmniScheduler"
+        Height="780"
+        Width="1180"
+        MinHeight="640"
+        MinWidth="980"
+        Icon="app.ico"
+        Closing="Window_Closing">
+    <Window.Resources>
+        <SolidColorBrush x:Key="PanelBrush" Color="#F5F7FA" />
+        <SolidColorBrush x:Key="LineBrush" Color="#D8DEE9" />
+        <SolidColorBrush x:Key="AccentBrush" Color="#2563EB" />
+        <Style TargetType="Button">
+            <Setter Property="MinHeight" Value="30" />
+            <Setter Property="Padding" Value="12,4" />
+            <Setter Property="Margin" Value="0,0,8,0" />
+        </Style>
+        <Style TargetType="DataGrid">
+            <Setter Property="AutoGenerateColumns" Value="False" />
+            <Setter Property="CanUserAddRows" Value="False" />
+            <Setter Property="IsReadOnly" Value="True" />
+            <Setter Property="GridLinesVisibility" Value="Horizontal" />
+            <Setter Property="HeadersVisibility" Value="Column" />
+            <Setter Property="RowHeight" Value="32" />
+        </Style>
+    </Window.Resources>
+
+    <DockPanel Background="White">
+        <Border DockPanel.Dock="Top" Background="{StaticResource PanelBrush}" BorderBrush="{StaticResource LineBrush}" BorderThickness="0,0,0,1" Padding="10,8">
+            <DockPanel>
+                <TextBlock DockPanel.Dock="Right" VerticalAlignment="Center" Foreground="#667085" Text="{Binding StatusText}" />
+                <StackPanel Orientation="Horizontal">
+                    <Button Content="新建" Click="AddTask_Click" />
+                    <Button Content="编辑" Click="EditTask_Click" />
+                    <Button Content="删除" Click="DeleteTask_Click" />
+                    <Button Content="克隆" Click="CloneTask_Click" />
+                    <Button Content="手动触发" Click="FireTask_Click" />
+                    <Button Content="设置" Click="Settings_Click" />
+                    <ToggleButton x:Name="PauseToggle" Content="暂停全部" Checked="PauseToggle_Changed" Unchecked="PauseToggle_Changed" />
+                </StackPanel>
+            </DockPanel>
+        </Border>
+
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="3*" />
+                <RowDefinition Height="6" />
+                <RowDefinition Height="2*" />
+            </Grid.RowDefinitions>
+
+            <DataGrid x:Name="TasksGrid"
+                      Grid.Row="0"
+                      ItemsSource="{Binding State.Tasks}"
+                      SelectedItem="{Binding SelectedTask, Mode=TwoWay}"
+                      MouseDoubleClick="TasksGrid_MouseDoubleClick">
+                <DataGrid.Columns>
+                    <DataGridCheckBoxColumn Header="启用" Binding="{Binding IsEnabled}" Width="58" IsReadOnly="False" />
+                    <DataGridTextColumn Header="任务名称" Binding="{Binding Name}" Width="190" />
+                    <DataGridTextColumn Header="频道" Binding="{Binding Channel}" Width="150" />
+                    <DataGridTextColumn Header="触发规则" Binding="{Binding TriggerSummary}" Width="*" />
+                    <DataGridTextColumn Header="上次运行" Binding="{Binding LastRunAt, StringFormat=yyyy-MM-dd HH:mm:ss}" Width="155" />
+                    <DataGridTextColumn Header="下次运行" Binding="{Binding NextRunAt, StringFormat=yyyy-MM-dd HH:mm:ss}" Width="155" />
+                    <DataGridTextColumn Header="最近状态" Binding="{Binding LastStatus}" Width="90" />
+                </DataGrid.Columns>
+            </DataGrid>
+
+            <GridSplitter Grid.Row="1" Height="6" HorizontalAlignment="Stretch" Background="{StaticResource LineBrush}" />
+
+            <DockPanel Grid.Row="2">
+                <Border DockPanel.Dock="Top" Background="{StaticResource PanelBrush}" BorderBrush="{StaticResource LineBrush}" BorderThickness="0,1,0,1" Padding="10,6">
+                    <DockPanel>
+                        <Button DockPanel.Dock="Right" Content="清空日志" Click="ClearLogs_Click" />
+                        <TextBlock FontWeight="SemiBold" VerticalAlignment="Center" Text="执行日志" />
+                    </DockPanel>
+                </Border>
+                <DataGrid x:Name="LogsGrid"
+                          ItemsSource="{Binding State.Logs}"
+                          MouseDoubleClick="LogsGrid_MouseDoubleClick">
+                    <DataGrid.RowStyle>
+                        <Style TargetType="DataGridRow">
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding Level}" Value="ERROR">
+                                    <Setter Property="Foreground" Value="#B42318" />
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </DataGrid.RowStyle>
+                    <DataGrid.Columns>
+                        <DataGridTextColumn Header="时间" Binding="{Binding Timestamp, StringFormat=yyyy-MM-dd HH:mm:ss}" Width="155" />
+                        <DataGridTextColumn Header="级别" Binding="{Binding Level}" Width="70" />
+                        <DataGridTextColumn Header="任务" Binding="{Binding TaskName}" Width="170" />
+                        <DataGridTextColumn Header="触发" Binding="{Binding TriggerType}" Width="100" />
+                        <DataGridTextColumn Header="HTTP" Binding="{Binding StatusCode}" Width="70" />
+                        <DataGridTextColumn Header="耗时(ms)" Binding="{Binding ElapsedMs}" Width="80" />
+                        <DataGridTextColumn Header="消息" Binding="{Binding Message}" Width="*" />
+                    </DataGrid.Columns>
+                </DataGrid>
+            </DockPanel>
+        </Grid>
+    </DockPanel>
+</Window>
diff --git a/OmniScheduler/MainWindow.xaml.cs b/OmniScheduler/MainWindow.xaml.cs
new file mode 100644
index 0000000..06605f6
--- /dev/null
+++ b/OmniScheduler/MainWindow.xaml.cs
@@ -0,0 +1,225 @@
+using System.ComponentModel;
+using System.Windows;
+using Forms = System.Windows.Forms;
+
+namespace OmniScheduler;
+
+public partial class MainWindow : Window, INotifyPropertyChanged
+{
+    private readonly StateStore _store = new();
+    private readonly NotifyClient _client = new();
+    private readonly SchedulerService _scheduler;
+    private readonly Forms.NotifyIcon _trayIcon;
+    private bool _allowExit;
+    private ScheduledTask? _selectedTask;
+    private string _statusText = "就绪";
+
+    public MainWindow()
+    {
+        InitializeComponent();
+        State = _store.Load();
+        _scheduler = new SchedulerService(State, _client, AddLog);
+        _trayIcon = BuildTrayIcon();
+        DataContext = this;
+        _scheduler.Start();
+
+        if (Environment.GetCommandLineArgs().Any(a => a.Equals("--tray", StringComparison.OrdinalIgnoreCase)))
+        {
+            Hide();
+        }
+    }
+
+    public SchedulerState State { get; }
+
+    public ScheduledTask? SelectedTask
+    {
+        get => _selectedTask;
+        set
+        {
+            _selectedTask = value;
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(SelectedTask)));
+        }
+    }
+
+    public string StatusText
+    {
+        get => _statusText;
+        set
+        {
+            _statusText = value;
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(StatusText)));
+        }
+    }
+
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    private Forms.NotifyIcon BuildTrayIcon()
+    {
+        var menu = new Forms.ContextMenuStrip();
+        menu.Items.Add("打开主界面", null, (_, _) => ShowDashboard());
+        menu.Items.Add("暂停全部任务", null, (_, _) =>
+        {
+            _scheduler.IsPaused = !_scheduler.IsPaused;
+            PauseToggle.IsChecked = _scheduler.IsPaused;
+        });
+        menu.Items.Add("退出", null, (_, _) => ExitApplication());
+
+        var iconPath = System.IO.Path.Combine(AppContext.BaseDirectory, "app.ico");
+        var icon = new Forms.NotifyIcon
+        {
+            Icon = new System.Drawing.Icon(iconPath),
+            Text = "OmniScheduler",
+            Visible = true,
+            ContextMenuStrip = menu
+        };
+        icon.DoubleClick += (_, _) => ShowDashboard();
+        return icon;
+    }
+
+    private void AddTask_Click(object sender, RoutedEventArgs e)
+    {
+        var task = new ScheduledTask();
+        task.Triggers.Add(new TaskTrigger());
+        if (TaskEditorWindow.Edit(this, task, State.Settings, _client))
+        {
+            State.Tasks.Add(task);
+            SaveAndRefresh("已创建任务");
+        }
+    }
+
+    private void EditTask_Click(object sender, RoutedEventArgs e)
+    {
+        if (SelectedTask is null)
+        {
+            StatusText = "请先选择一个任务";
+            return;
+        }
+
+        if (TaskEditorWindow.Edit(this, SelectedTask, State.Settings, _client))
+        {
+            SaveAndRefresh("任务已保存");
+        }
+    }
+
+    private void TasksGrid_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        => EditTask_Click(sender, e);
+
+    private void DeleteTask_Click(object sender, RoutedEventArgs e)
+    {
+        if (SelectedTask is null)
+        {
+            return;
+        }
+
+        if (System.Windows.MessageBox.Show(this, $"删除任务“{SelectedTask.Name}”？", "确认删除", MessageBoxButton.YesNo, MessageBoxImage.Warning) == MessageBoxResult.Yes)
+        {
+            State.Tasks.Remove(SelectedTask);
+            SaveAndRefresh("任务已删除");
+        }
+    }
+
+    private void CloneTask_Click(object sender, RoutedEventArgs e)
+    {
+        if (SelectedTask is null)
+        {
+            return;
+        }
+
+        var clone = SelectedTask.Clone();
+        State.Tasks.Add(clone);
+        SelectedTask = clone;
+        SaveAndRefresh("任务已克隆");
+    }
+
+    private async void FireTask_Click(object sender, RoutedEventArgs e)
+    {
+        if (SelectedTask is null)
+        {
+            StatusText = "请先选择一个任务";
+            return;
+        }
+
+        StatusText = "正在手动触发...";
+        await _scheduler.FireNowAsync(SelectedTask);
+        SaveAndRefresh("手动触发完成");
+    }
+
+    private void Settings_Click(object sender, RoutedEventArgs e)
+    {
+        if (SettingsWindow.Edit(this, State.Settings))
+        {
+            StartupRegistration.Apply(State.Settings.StartWithWindows);
+            SaveAndRefresh("设置已保存");
+        }
+    }
+
+    private void PauseToggle_Changed(object sender, RoutedEventArgs e)
+    {
+        _scheduler.IsPaused = PauseToggle.IsChecked == true;
+        StatusText = _scheduler.IsPaused ? "全部任务已暂停" : "调度已恢复";
+    }
+
+    private void ClearLogs_Click(object sender, RoutedEventArgs e)
+    {
+        State.Logs.Clear();
+        SaveAndRefresh("日志已清空");
+    }
+
+    private void LogsGrid_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
+    {
+        if (LogsGrid.SelectedItem is ExecutionLog log)
+        {
+            System.Windows.MessageBox.Show(this, $"请求 JSON:\n{log.RequestJson}\n\n响应:\n{log.Response}", "日志详情", MessageBoxButton.OK, log.Level == "ERROR" ? MessageBoxImage.Error : MessageBoxImage.Information);
+        }
+    }
+
+    private void AddLog(ExecutionLog log)
+    {
+        Dispatcher.Invoke(() =>
+        {
+            State.Logs.Insert(0, log);
+            StatusText = $"{log.Timestamp:HH:mm:ss} {log.TaskName}: {log.Message}";
+            _store.Save(State);
+        });
+    }
+
+    private void SaveAndRefresh(string status)
+    {
+        _scheduler.RecalculateNextRuns();
+        foreach (var task in State.Tasks)
+        {
+            task.Notify(nameof(ScheduledTask.TriggerSummary));
+        }
+        TasksGrid.Items.Refresh();
+        _store.Save(State);
+        StatusText = status;
+    }
+
+    private void Window_Closing(object? sender, CancelEventArgs e)
+    {
+        if (_allowExit)
+        {
+            _trayIcon.Visible = false;
+            _trayIcon.Dispose();
+            _store.Save(State);
+            return;
+        }
+
+        e.Cancel = true;
+        Hide();
+        StatusText = "已隐藏到系统托盘";
+    }
+
+    private void ShowDashboard()
+    {
+        Show();
+        WindowState = WindowState.Normal;
+        Activate();
+    }
+
+    private void ExitApplication()
+    {
+        _allowExit = true;
+        Close();
+    }
+}
diff --git a/OmniScheduler/Models.cs b/OmniScheduler/Models.cs
new file mode 100644
index 0000000..c47065d
--- /dev/null
+++ b/OmniScheduler/Models.cs
@@ -0,0 +1,281 @@
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Text.Json.Serialization;
+
+namespace OmniScheduler;
+
+public enum TriggerKind
+{
+    OneTime,
+    Interval,
+    Daily,
+    Weekly,
+    Monthly,
+    Cron
+}
+
+public enum IntervalUnit
+{
+    Seconds,
+    Minutes,
+    Hours,
+    Days
+}
+
+public enum MisfireStrategy
+{
+    DoNothing,
+    FireOnceNow
+}
+
+public sealed class SchedulerState : INotifyPropertyChanged
+{
+    public ObservableCollection<ScheduledTask> Tasks { get; set; } = [];
+    public ObservableCollection<ExecutionLog> Logs { get; set; } = [];
+    public AppSettings Settings { get; set; } = new();
+
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    public void Notify([CallerMemberName] string? propertyName = null)
+        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+}
+
+public sealed class AppSettings : NotifyObject
+{
+    private string _omniNotifyUrl = "http://127.0.0.1:19845/notify";
+    private int _logRetentionDays = 30;
+    private int _maxLogRecords = 10000;
+    private bool _startWithWindows;
+
+    public string OmniNotifyUrl
+    {
+        get => _omniNotifyUrl;
+        set => SetField(ref _omniNotifyUrl, value);
+    }
+
+    public int LogRetentionDays
+    {
+        get => _logRetentionDays;
+        set => SetField(ref _logRetentionDays, Math.Max(1, value));
+    }
+
+    public int MaxLogRecords
+    {
+        get => _maxLogRecords;
+        set => SetField(ref _maxLogRecords, Math.Max(100, value));
+    }
+
+    public bool StartWithWindows
+    {
+        get => _startWithWindows;
+        set => SetField(ref _startWithWindows, value);
+    }
+}
+
+public sealed class ScheduledTask : NotifyObject
+{
+    private bool _isEnabled = true;
+    private string _name = "新任务";
+    private string _description = "";
+    private string _channel = "";
+    private string _title = "";
+    private string _body = "";
+    private DateTime? _lastRunAt;
+    private DateTime? _nextRunAt;
+    private string _lastStatus = "Idle";
+
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    public bool IsEnabled
+    {
+        get => _isEnabled;
+        set => SetField(ref _isEnabled, value);
+    }
+
+    public string Name
+    {
+        get => _name;
+        set => SetField(ref _name, value);
+    }
+
+    public string Description
+    {
+        get => _description;
+        set => SetField(ref _description, value);
+    }
+
+    public string Channel
+    {
+        get => _channel;
+        set => SetField(ref _channel, value);
+    }
+
+    public string Title
+    {
+        get => _title;
+        set => SetField(ref _title, value);
+    }
+
+    public string Body
+    {
+        get => _body;
+        set => SetField(ref _body, value);
+    }
+
+    public MisfireStrategy MisfireStrategy { get; set; } = MisfireStrategy.DoNothing;
+    public ObservableCollection<TaskTrigger> Triggers { get; set; } = [];
+
+    public DateTime? LastRunAt
+    {
+        get => _lastRunAt;
+        set => SetField(ref _lastRunAt, value);
+    }
+
+    public DateTime? NextRunAt
+    {
+        get => _nextRunAt;
+        set => SetField(ref _nextRunAt, value);
+    }
+
+    public string LastStatus
+    {
+        get => _lastStatus;
+        set => SetField(ref _lastStatus, value);
+    }
+
+    [JsonIgnore]
+    public string TriggerSummary => Triggers.Count == 0
+        ? "未配置触发器"
+        : string.Join("; ", Triggers.Select(t => t.Summary).Take(3));
+
+    public ScheduledTask Clone()
+    {
+        return new ScheduledTask
+        {
+            Id = Guid.NewGuid(),
+            IsEnabled = IsEnabled,
+            Name = $"{Name} - 副本",
+            Description = Description,
+            Channel = Channel,
+            Title = Title,
+            Body = Body,
+            MisfireStrategy = MisfireStrategy,
+            Triggers = new ObservableCollection<TaskTrigger>(Triggers.Select(t => t.Clone()))
+        };
+    }
+
+    public void CopyFrom(ScheduledTask source)
+    {
+        IsEnabled = source.IsEnabled;
+        Name = source.Name;
+        Description = source.Description;
+        Channel = source.Channel;
+        Title = source.Title;
+        Body = source.Body;
+        MisfireStrategy = source.MisfireStrategy;
+        Triggers = new ObservableCollection<TaskTrigger>(source.Triggers.Select(t => t.Clone()));
+        Notify(nameof(TriggerSummary));
+    }
+}
+
+public sealed class TaskTrigger : NotifyObject
+{
+    public Guid Id { get; set; } = Guid.NewGuid();
+    public TriggerKind Kind { get; set; } = TriggerKind.Interval;
+    public DateTime OneTimeAt { get; set; } = DateTime.Now.AddMinutes(5);
+    public int IntervalValue { get; set; } = 5;
+    public IntervalUnit IntervalUnit { get; set; } = IntervalUnit.Minutes;
+    public DateTime? StartsAt { get; set; }
+    public DateTime? EndsAt { get; set; }
+    public TimeSpan TimeOfDay { get; set; } = DateTime.Now.TimeOfDay;
+    public DayOfWeekFlags WeekDays { get; set; } = DayOfWeekFlags.Monday | DayOfWeekFlags.Tuesday | DayOfWeekFlags.Wednesday | DayOfWeekFlags.Thursday | DayOfWeekFlags.Friday;
+    public int MonthDay { get; set; } = 1;
+    public bool LastBusinessDay { get; set; }
+    public string CronExpression { get; set; } = "0 0/5 14 * * ?";
+
+    [JsonIgnore]
+    public string Summary => Kind switch
+    {
+        TriggerKind.OneTime => $"单次 {OneTimeAt:yyyy-MM-dd HH:mm:ss}",
+        TriggerKind.Interval => $"每 {IntervalValue} {IntervalUnitText}",
+        TriggerKind.Daily => $"每日 {TimeOfDay:hh\\:mm\\:ss}",
+        TriggerKind.Weekly => $"每周 {WeekDays} {TimeOfDay:hh\\:mm\\:ss}",
+        TriggerKind.Monthly => LastBusinessDay ? $"每月最后工作日 {TimeOfDay:hh\\:mm\\:ss}" : $"每月 {MonthDay} 日 {TimeOfDay:hh\\:mm\\:ss}",
+        TriggerKind.Cron => $"Cron {CronExpression}",
+        _ => Kind.ToString()
+    };
+
+    [JsonIgnore]
+    public string IntervalUnitText => IntervalUnit switch
+    {
+        IntervalUnit.Seconds => "秒",
+        IntervalUnit.Minutes => "分钟",
+        IntervalUnit.Hours => "小时",
+        IntervalUnit.Days => "天",
+        _ => IntervalUnit.ToString()
+    };
+
+    public TaskTrigger Clone() => new()
+    {
+        Id = Guid.NewGuid(),
+        Kind = Kind,
+        OneTimeAt = OneTimeAt,
+        IntervalValue = IntervalValue,
+        IntervalUnit = IntervalUnit,
+        StartsAt = StartsAt,
+        EndsAt = EndsAt,
+        TimeOfDay = TimeOfDay,
+        WeekDays = WeekDays,
+        MonthDay = MonthDay,
+        LastBusinessDay = LastBusinessDay,
+        CronExpression = CronExpression
+    };
+}
+
+[Flags]
+public enum DayOfWeekFlags
+{
+    None = 0,
+    Sunday = 1,
+    Monday = 2,
+    Tuesday = 4,
+    Wednesday = 8,
+    Thursday = 16,
+    Friday = 32,
+    Saturday = 64
+}
+
+public sealed class ExecutionLog
+{
+    public DateTime Timestamp { get; set; } = DateTime.Now;
+    public string Level { get; set; } = "INFO";
+    public string TaskName { get; set; } = "";
+    public string TriggerType { get; set; } = "";
+    public string TargetUrl { get; set; } = "";
+    public int? StatusCode { get; set; }
+    public long ElapsedMs { get; set; }
+    public string RequestJson { get; set; } = "";
+    public string Response { get; set; } = "";
+    public string Message { get; set; } = "";
+}
+
+public abstract class NotifyObject : INotifyPropertyChanged
+{
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    protected bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
+    {
+        if (EqualityComparer<T>.Default.Equals(field, value))
+        {
+            return false;
+        }
+
+        field = value;
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        return true;
+    }
+
+    public void Notify([CallerMemberName] string? propertyName = null)
+        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+}
diff --git a/OmniScheduler/OmniScheduler.csproj b/OmniScheduler/OmniScheduler.csproj
new file mode 100644
index 0000000..f9742df
--- /dev/null
+++ b/OmniScheduler/OmniScheduler.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+    <UseWindowsForms>true</UseWindowsForms>
+    <ApplicationIcon>..\app.ico</ApplicationIcon>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Content Include="..\app.ico" Link="app.ico" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
+
+</Project>
diff --git a/OmniScheduler/Services.cs b/OmniScheduler/Services.cs
new file mode 100644
index 0000000..39fe64e
--- /dev/null
+++ b/OmniScheduler/Services.cs
@@ -0,0 +1,449 @@
+using Microsoft.Win32;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.IO;
+using System.Net.Http;
+using System.Text;
+using System.Text.Json;
+using System.Windows.Threading;
+
+namespace OmniScheduler;
+
+public sealed class StateStore
+{
+    private static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        WriteIndented = true,
+        PropertyNameCaseInsensitive = true
+    };
+
+    private readonly string _statePath;
+
+    public StateStore()
+    {
+        var dir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "OmniScheduler");
+        Directory.CreateDirectory(dir);
+        _statePath = Path.Combine(dir, "state.json");
+    }
+
+    public SchedulerState Load()
+    {
+        if (!File.Exists(_statePath))
+        {
+            return Seed();
+        }
+
+        try
+        {
+            var state = JsonSerializer.Deserialize<SchedulerState>(File.ReadAllText(_statePath), JsonOptions);
+            return state ?? Seed();
+        }
+        catch
+        {
+            return Seed();
+        }
+    }
+
+    public void Save(SchedulerState state)
+    {
+        TrimLogs(state);
+        File.WriteAllText(_statePath, JsonSerializer.Serialize(state, JsonOptions), Encoding.UTF8);
+    }
+
+    private static SchedulerState Seed()
+    {
+        var task = new ScheduledTask
+        {
+            Name = "OmniNotify 连通性测试",
+            Description = "可克隆此任务作为新消息模板。",
+            Channel = "default",
+            Title = "OmniScheduler 测试",
+            Body = "来自 {TaskName} 的测试消息，触发时间 {CurrentTime}。"
+        };
+        task.Triggers.Add(new TaskTrigger { Kind = TriggerKind.Interval, IntervalValue = 30, IntervalUnit = IntervalUnit.Minutes });
+        return new SchedulerState { Tasks = new ObservableCollection<ScheduledTask> { task } };
+    }
+
+    private static void TrimLogs(SchedulerState state)
+    {
+        var cutoff = DateTime.Now.AddDays(-state.Settings.LogRetentionDays);
+        var kept = state.Logs
+            .Where(l => l.Timestamp >= cutoff)
+            .OrderByDescending(l => l.Timestamp)
+            .Take(state.Settings.MaxLogRecords)
+            .OrderByDescending(l => l.Timestamp)
+            .ToList();
+
+        state.Logs.Clear();
+        foreach (var log in kept)
+        {
+            state.Logs.Add(log);
+        }
+    }
+}
+
+public sealed class NotifyClient
+{
+    private readonly HttpClient _http = new() { Timeout = TimeSpan.FromSeconds(8) };
+
+    public async Task<ExecutionLog> SendAsync(ScheduledTask task, string triggerType, string targetUrl, CancellationToken cancellationToken = default)
+    {
+        var payload = new
+        {
+            channel = Expand(task.Channel, task, triggerType),
+            title = Expand(task.Title, task, triggerType),
+            body = Expand(task.Body, task, triggerType)
+        };
+        var json = JsonSerializer.Serialize(payload);
+        var sw = Stopwatch.StartNew();
+        var log = new ExecutionLog
+        {
+            Timestamp = DateTime.Now,
+            TaskName = task.Name,
+            TriggerType = triggerType,
+            TargetUrl = targetUrl,
+            RequestJson = JsonSerializer.Serialize(payload, new JsonSerializerOptions { WriteIndented = true })
+        };
+
+        try
+        {
+            using var content = new StringContent(json, Encoding.UTF8, "application/json");
+            using var response = await _http.PostAsync(targetUrl, content, cancellationToken);
+            log.StatusCode = (int)response.StatusCode;
+            log.Response = await response.Content.ReadAsStringAsync(cancellationToken);
+            log.Level = response.IsSuccessStatusCode ? "INFO" : "ERROR";
+            log.Message = response.IsSuccessStatusCode ? "发送成功" : BuildErrorMessage(log.Response, response.StatusCode.ToString());
+        }
+        catch (Exception ex)
+        {
+            log.Level = "ERROR";
+            log.Response = ex.Message;
+            log.Message = ex.Message;
+        }
+        finally
+        {
+            sw.Stop();
+            log.ElapsedMs = sw.ElapsedMilliseconds;
+        }
+
+        return log;
+    }
+
+    private static string Expand(string value, ScheduledTask task, string triggerType)
+        => value
+            .Replace("{CurrentTime}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), StringComparison.OrdinalIgnoreCase)
+            .Replace("{TaskName}", task.Name, StringComparison.OrdinalIgnoreCase)
+            .Replace("{TriggerType}", triggerType, StringComparison.OrdinalIgnoreCase);
+
+    private static string BuildErrorMessage(string response, string fallback)
+        => response.Contains("IllegalChannel", StringComparison.OrdinalIgnoreCase)
+            ? "ERROR: IllegalChannel，请检查频道名配置"
+            : $"发送失败: {fallback}";
+}
+
+public sealed class SchedulerService
+{
+    private readonly DispatcherTimer _timer = new() { Interval = TimeSpan.FromSeconds(1) };
+    private readonly SchedulerState _state;
+    private readonly NotifyClient _client;
+    private readonly Action<ExecutionLog> _logSink;
+    private bool _paused;
+
+    public SchedulerService(SchedulerState state, NotifyClient client, Action<ExecutionLog> logSink)
+    {
+        _state = state;
+        _client = client;
+        _logSink = logSink;
+        _timer.Tick += async (_, _) => await TickAsync();
+    }
+
+    public bool IsPaused
+    {
+        get => _paused;
+        set => _paused = value;
+    }
+
+    public void Start()
+    {
+        RecalculateNextRuns();
+        _timer.Start();
+    }
+
+    public void RecalculateNextRuns()
+    {
+        foreach (var task in _state.Tasks)
+        {
+            task.NextRunAt = task.IsEnabled ? FindNext(task, DateTime.Now) : null;
+            task.Notify(nameof(ScheduledTask.TriggerSummary));
+        }
+    }
+
+    public async Task FireNowAsync(ScheduledTask task)
+    {
+        await ExecuteAsync(task, "Manual");
+        task.NextRunAt = FindNext(task, DateTime.Now);
+    }
+
+    private async Task TickAsync()
+    {
+        if (_paused)
+        {
+            return;
+        }
+
+        var now = DateTime.Now;
+        var due = _state.Tasks
+            .Where(t => t.IsEnabled && t.NextRunAt.HasValue && t.NextRunAt.Value <= now)
+            .ToList();
+
+        await Task.WhenAll(due.Select(async task =>
+        {
+            var scheduled = task.NextRunAt!.Value;
+            if (now - scheduled > TimeSpan.FromSeconds(30) && task.MisfireStrategy == MisfireStrategy.DoNothing)
+            {
+                task.NextRunAt = FindNext(task, now);
+                return;
+            }
+
+            await ExecuteAsync(task, PickTriggerSummary(task, scheduled));
+            task.NextRunAt = FindNext(task, now.AddSeconds(1));
+        }));
+    }
+
+    private async Task ExecuteAsync(ScheduledTask task, string triggerType)
+    {
+        task.LastRunAt = DateTime.Now;
+        var log = await _client.SendAsync(task, triggerType, _state.Settings.OmniNotifyUrl);
+        task.LastStatus = log.Level == "INFO" ? "Success" : "Failed";
+        _logSink(log);
+    }
+
+    private static string PickTriggerSummary(ScheduledTask task, DateTime dueAt)
+    {
+        var trigger = task.Triggers
+            .OrderBy(t => Math.Abs(((NextRunCalculator.NextRun(t, DateTime.Now.AddDays(-1)) ?? dueAt) - dueAt).TotalSeconds))
+            .FirstOrDefault();
+        return trigger?.Kind.ToString() ?? "Scheduled";
+    }
+
+    private static DateTime? FindNext(ScheduledTask task, DateTime from)
+    {
+        return task.Triggers
+            .Select(t => NextRunCalculator.NextRun(t, from))
+            .Where(d => d.HasValue)
+            .Min();
+    }
+}
+
+public static class NextRunCalculator
+{
+    public static DateTime? NextRun(TaskTrigger trigger, DateTime from)
+    {
+        if (trigger.EndsAt.HasValue && from > trigger.EndsAt.Value)
+        {
+            return null;
+        }
+
+        var earliest = trigger.StartsAt.HasValue && trigger.StartsAt.Value > from ? trigger.StartsAt.Value : from;
+        DateTime? next = trigger.Kind switch
+        {
+            TriggerKind.OneTime => trigger.OneTimeAt > from ? trigger.OneTimeAt : null,
+            TriggerKind.Interval => NextInterval(trigger, earliest),
+            TriggerKind.Daily => NextDaily(trigger.TimeOfDay, earliest),
+            TriggerKind.Weekly => NextWeekly(trigger, earliest),
+            TriggerKind.Monthly => NextMonthly(trigger, earliest),
+            TriggerKind.Cron => NextCron(trigger.CronExpression, earliest),
+            _ => null
+        };
+
+        return trigger.EndsAt.HasValue && next > trigger.EndsAt.Value ? null : next;
+    }
+
+    public static IReadOnlyList<DateTime> Preview(TaskTrigger trigger, DateTime from, int count = 5)
+    {
+        var results = new List<DateTime>();
+        var cursor = from;
+        for (var i = 0; i < count; i++)
+        {
+            var next = NextRun(trigger, cursor);
+            if (!next.HasValue)
+            {
+                break;
+            }
+
+            results.Add(next.Value);
+            cursor = next.Value.AddSeconds(1);
+        }
+
+        return results;
+    }
+
+    private static DateTime? NextInterval(TaskTrigger trigger, DateTime from)
+    {
+        if (trigger.IntervalValue < 1)
+        {
+            return null;
+        }
+
+        var interval = trigger.IntervalUnit switch
+        {
+            IntervalUnit.Seconds => TimeSpan.FromSeconds(trigger.IntervalValue),
+            IntervalUnit.Minutes => TimeSpan.FromMinutes(trigger.IntervalValue),
+            IntervalUnit.Hours => TimeSpan.FromHours(trigger.IntervalValue),
+            IntervalUnit.Days => TimeSpan.FromDays(trigger.IntervalValue),
+            _ => TimeSpan.FromMinutes(trigger.IntervalValue)
+        };
+
+        var start = trigger.StartsAt ?? DateTime.Now;
+        if (from <= start)
+        {
+            return start;
+        }
+
+        var steps = Math.Ceiling((from - start).TotalSeconds / interval.TotalSeconds);
+        return start.AddSeconds(steps * interval.TotalSeconds);
+    }
+
+    private static DateTime NextDaily(TimeSpan time, DateTime from)
+    {
+        var candidate = from.Date.Add(time);
+        return candidate > from ? candidate : candidate.AddDays(1);
+    }
+
+    private static DateTime NextWeekly(TaskTrigger trigger, DateTime from)
+    {
+        for (var i = 0; i < 14; i++)
+        {
+            var day = from.Date.AddDays(i);
+            if (HasDay(trigger.WeekDays, day.DayOfWeek))
+            {
+                var candidate = day.Add(trigger.TimeOfDay);
+                if (candidate > from)
+                {
+                    return candidate;
+                }
+            }
+        }
+
+        return from.AddDays(7);
+    }
+
+    private static DateTime? NextMonthly(TaskTrigger trigger, DateTime from)
+    {
+        for (var i = 0; i < 24; i++)
+        {
+            var month = new DateTime(from.Year, from.Month, 1).AddMonths(i);
+            var day = trigger.LastBusinessDay
+                ? LastBusinessDay(month.Year, month.Month)
+                : Math.Min(Math.Max(trigger.MonthDay, 1), DateTime.DaysInMonth(month.Year, month.Month));
+            var candidate = new DateTime(month.Year, month.Month, day).Add(trigger.TimeOfDay);
+            if (candidate > from)
+            {
+                return candidate;
+            }
+        }
+
+        return null;
+    }
+
+    private static DateTime? NextCron(string expression, DateTime from)
+    {
+        var parts = expression.Split(' ', StringSplitOptions.RemoveEmptyEntries);
+        if (parts.Length < 6)
+        {
+            return null;
+        }
+
+        for (var probe = from.AddSeconds(1); probe < from.AddDays(366); probe = probe.AddSeconds(1))
+        {
+            if (Matches(parts[0], probe.Second, 0, 59) &&
+                Matches(parts[1], probe.Minute, 0, 59) &&
+                Matches(parts[2], probe.Hour, 0, 23) &&
+                Matches(parts[3], probe.Day, 1, 31) &&
+                Matches(parts[4], probe.Month, 1, 12) &&
+                (parts[5] == "?" || Matches(parts[5], (int)probe.DayOfWeek, 0, 6)))
+            {
+                return probe;
+            }
+        }
+
+        return null;
+    }
+
+    private static bool Matches(string field, int value, int min, int max)
+    {
+        if (field is "*" or "?")
+        {
+            return true;
+        }
+
+        return field.Split(',').Any(part =>
+        {
+            if (part.Contains('/'))
+            {
+                var pieces = part.Split('/');
+                var step = int.TryParse(pieces[1], out var parsedStep) ? parsedStep : 1;
+                var start = pieces[0] == "*" ? min : int.TryParse(pieces[0], out var parsedStart) ? parsedStart : min;
+                return value >= start && (value - start) % step == 0;
+            }
+
+            if (part.Contains('-'))
+            {
+                var range = part.Split('-');
+                return int.TryParse(range[0], out var a) && int.TryParse(range[1], out var b) && value >= a && value <= b;
+            }
+
+            return int.TryParse(part, out var exact) && exact == value;
+        });
+    }
+
+    private static bool HasDay(DayOfWeekFlags flags, DayOfWeek day)
+    {
+        var flag = day switch
+        {
+            DayOfWeek.Sunday => DayOfWeekFlags.Sunday,
+            DayOfWeek.Monday => DayOfWeekFlags.Monday,
+            DayOfWeek.Tuesday => DayOfWeekFlags.Tuesday,
+            DayOfWeek.Wednesday => DayOfWeekFlags.Wednesday,
+            DayOfWeek.Thursday => DayOfWeekFlags.Thursday,
+            DayOfWeek.Friday => DayOfWeekFlags.Friday,
+            DayOfWeek.Saturday => DayOfWeekFlags.Saturday,
+            _ => DayOfWeekFlags.None
+        };
+        return flags.HasFlag(flag);
+    }
+
+    private static int LastBusinessDay(int year, int month)
+    {
+        var date = new DateTime(year, month, DateTime.DaysInMonth(year, month));
+        while (date.DayOfWeek is DayOfWeek.Saturday or DayOfWeek.Sunday)
+        {
+            date = date.AddDays(-1);
+        }
+
+        return date.Day;
+    }
+}
+
+public static class StartupRegistration
+{
+    private const string RunKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Run";
+
+    public static void Apply(bool enabled)
+    {
+        using var key = Registry.CurrentUser.OpenSubKey(RunKey, true);
+        if (key is null)
+        {
+            return;
+        }
+
+        if (enabled)
+        {
+            key.SetValue("OmniScheduler", $"\"{Environment.ProcessPath}\" --tray");
+        }
+        else
+        {
+            key.DeleteValue("OmniScheduler", false);
+        }
+    }
+}
diff --git a/OmniScheduler/SettingsWindow.xaml b/OmniScheduler/SettingsWindow.xaml
new file mode 100644
index 0000000..09e5e3b
--- /dev/null
+++ b/OmniScheduler/SettingsWindow.xaml
@@ -0,0 +1,43 @@
+<Window x:Class="OmniScheduler.SettingsWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="全局设置"
+        Height="330"
+        Width="560"
+        WindowStartupLocation="CenterOwner"
+        ResizeMode="NoResize"
+        Icon="app.ico">
+    <DockPanel Margin="16">
+        <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,16,0,0">
+            <TextBlock x:Name="ValidationText" Foreground="#B42318" VerticalAlignment="Center" Margin="0,0,12,0" />
+            <Button Content="保存" Width="90" Click="Save_Click" />
+            <Button Content="取消" Width="90" Click="Cancel_Click" />
+        </StackPanel>
+
+        <Grid>
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="150" />
+                <ColumnDefinition Width="*" />
+            </Grid.ColumnDefinitions>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+            </Grid.RowDefinitions>
+
+            <TextBlock Text="开机自启动" VerticalAlignment="Center" />
+            <CheckBox x:Name="StartWithWindowsBox" Grid.Column="1" VerticalAlignment="Center" />
+
+            <TextBlock Text="OmniNotify API" Grid.Row="1" Margin="0,12,0,0" VerticalAlignment="Center" />
+            <TextBox x:Name="UrlBox" Grid.Row="1" Grid.Column="1" Margin="0,12,0,0" Height="30" />
+
+            <TextBlock Text="日志保留天数" Grid.Row="2" Margin="0,12,0,0" VerticalAlignment="Center" />
+            <TextBox x:Name="RetentionDaysBox" Grid.Row="2" Grid.Column="1" Margin="0,12,0,0" Height="30" />
+
+            <TextBlock Text="最大日志条数" Grid.Row="3" Margin="0,12,0,0" VerticalAlignment="Center" />
+            <TextBox x:Name="MaxRecordsBox" Grid.Row="3" Grid.Column="1" Margin="0,12,0,0" Height="30" />
+        </Grid>
+    </DockPanel>
+</Window>
diff --git a/OmniScheduler/SettingsWindow.xaml.cs b/OmniScheduler/SettingsWindow.xaml.cs
new file mode 100644
index 0000000..ddeeffc
--- /dev/null
+++ b/OmniScheduler/SettingsWindow.xaml.cs
@@ -0,0 +1,56 @@
+using System.Windows;
+
+namespace OmniScheduler;
+
+public partial class SettingsWindow : Window
+{
+    private readonly AppSettings _settings;
+
+    private SettingsWindow(Window owner, AppSettings settings)
+    {
+        InitializeComponent();
+        Owner = owner;
+        _settings = settings;
+        StartWithWindowsBox.IsChecked = settings.StartWithWindows;
+        UrlBox.Text = settings.OmniNotifyUrl;
+        RetentionDaysBox.Text = settings.LogRetentionDays.ToString();
+        MaxRecordsBox.Text = settings.MaxLogRecords.ToString();
+    }
+
+    public static bool Edit(Window owner, AppSettings settings)
+    {
+        var dialog = new SettingsWindow(owner, settings);
+        return dialog.ShowDialog() == true;
+    }
+
+    private void Save_Click(object sender, RoutedEventArgs e)
+    {
+        ValidationText.Text = "";
+        if (!Uri.TryCreate(UrlBox.Text.Trim(), UriKind.Absolute, out _))
+        {
+            ValidationText.Text = "API 地址格式不正确";
+            return;
+        }
+
+        if (!int.TryParse(RetentionDaysBox.Text, out var days) || days < 1)
+        {
+            ValidationText.Text = "日志保留天数至少为 1";
+            return;
+        }
+
+        if (!int.TryParse(MaxRecordsBox.Text, out var max) || max < 100)
+        {
+            ValidationText.Text = "最大日志条数至少为 100";
+            return;
+        }
+
+        _settings.StartWithWindows = StartWithWindowsBox.IsChecked == true;
+        _settings.OmniNotifyUrl = UrlBox.Text.Trim();
+        _settings.LogRetentionDays = days;
+        _settings.MaxLogRecords = max;
+        DialogResult = true;
+    }
+
+    private void Cancel_Click(object sender, RoutedEventArgs e)
+        => DialogResult = false;
+}
diff --git a/OmniScheduler/TaskEditorWindow.xaml b/OmniScheduler/TaskEditorWindow.xaml
new file mode 100644
index 0000000..5fa2746
--- /dev/null
+++ b/OmniScheduler/TaskEditorWindow.xaml
@@ -0,0 +1,159 @@
+<Window x:Class="OmniScheduler.TaskEditorWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="任务编辑"
+        Height="650"
+        Width="860"
+        MinHeight="600"
+        MinWidth="780"
+        WindowStartupLocation="CenterOwner"
+        Icon="app.ico">
+    <DockPanel Margin="12">
+        <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,12,0,0">
+            <TextBlock x:Name="ValidationText" Foreground="#B42318" VerticalAlignment="Center" Margin="0,0,14,0" />
+            <Button Content="保存" Width="90" Click="Save_Click" />
+            <Button Content="取消" Width="90" Click="Cancel_Click" />
+        </StackPanel>
+
+        <TabControl>
+            <TabItem Header="常规">
+                <Grid Margin="14">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="130" />
+                        <ColumnDefinition Width="*" />
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="*" />
+                    </Grid.RowDefinitions>
+
+                    <TextBlock Text="任务名称" Grid.Row="0" VerticalAlignment="Center" />
+                    <TextBox x:Name="NameBox" Grid.Row="0" Grid.Column="1" Height="30" />
+                    <TextBlock Text="启用任务" Grid.Row="1" Margin="0,12,0,0" VerticalAlignment="Center" />
+                    <CheckBox x:Name="EnabledBox" Grid.Row="1" Grid.Column="1" Margin="0,12,0,0" VerticalAlignment="Center" />
+                    <TextBlock Text="任务描述" Grid.Row="2" Margin="0,12,0,0" />
+                    <TextBox x:Name="DescriptionBox" Grid.Row="2" Grid.Column="1" Margin="0,12,0,0" AcceptsReturn="True" TextWrapping="Wrap" VerticalScrollBarVisibility="Auto" />
+                </Grid>
+            </TabItem>
+
+            <TabItem Header="触发器">
+                <Grid Margin="14">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="245" />
+                        <ColumnDefinition Width="14" />
+                        <ColumnDefinition Width="*" />
+                    </Grid.ColumnDefinitions>
+
+                    <DockPanel Grid.Column="0">
+                        <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal" Margin="0,8,0,0">
+                            <Button Content="添加" Click="AddTrigger_Click" />
+                            <Button Content="删除" Click="RemoveTrigger_Click" />
+                        </StackPanel>
+                        <ListBox x:Name="TriggersList" DisplayMemberPath="Summary" SelectionChanged="TriggersList_SelectionChanged" />
+                    </DockPanel>
+
+                    <Border Grid.Column="2" BorderBrush="#D8DEE9" BorderThickness="1" Padding="12">
+                        <Grid>
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="150" />
+                                <ColumnDefinition Width="*" />
+                            </Grid.ColumnDefinitions>
+                            <Grid.RowDefinitions>
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="Auto" />
+                                <RowDefinition Height="*" />
+                            </Grid.RowDefinitions>
+
+                            <TextBlock Text="触发类型" VerticalAlignment="Center" />
+                            <ComboBox x:Name="KindBox" Grid.Column="1" Height="30" SelectionChanged="Field_Changed" />
+
+                            <TextBlock Text="单次时间" Grid.Row="1" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <TextBox x:Name="OneTimeBox" Grid.Row="1" Grid.Column="1" Margin="0,10,0,0" Height="30" ToolTip="格式：yyyy-MM-dd HH:mm:ss" TextChanged="Field_Changed" />
+
+                            <TextBlock Text="间隔" Grid.Row="2" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <StackPanel Grid.Row="2" Grid.Column="1" Margin="0,10,0,0" Orientation="Horizontal">
+                                <TextBox x:Name="IntervalValueBox" Width="80" Height="30" TextChanged="Field_Changed" />
+                                <ComboBox x:Name="IntervalUnitBox" Width="120" Height="30" Margin="8,0,0,0" SelectionChanged="Field_Changed" />
+                            </StackPanel>
+
+                            <TextBlock Text="起止时间" Grid.Row="3" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <StackPanel Grid.Row="3" Grid.Column="1" Margin="0,10,0,0" Orientation="Horizontal">
+                                <TextBox x:Name="StartsAtBox" Width="180" Height="30" ToolTip="留空表示立即生效" TextChanged="Field_Changed" />
+                                <TextBox x:Name="EndsAtBox" Width="180" Height="30" Margin="8,0,0,0" ToolTip="留空表示长期有效" TextChanged="Field_Changed" />
+                            </StackPanel>
+
+                            <TextBlock Text="每日/每周时间" Grid.Row="4" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <TextBox x:Name="TimeOfDayBox" Grid.Row="4" Grid.Column="1" Margin="0,10,0,0" Height="30" ToolTip="格式：HH:mm:ss" TextChanged="Field_Changed" />
+
+                            <TextBlock Text="周几" Grid.Row="5" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <WrapPanel Grid.Row="5" Grid.Column="1" Margin="0,10,0,0">
+                                <CheckBox x:Name="SunBox" Content="日" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                                <CheckBox x:Name="MonBox" Content="一" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                                <CheckBox x:Name="TueBox" Content="二" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                                <CheckBox x:Name="WedBox" Content="三" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                                <CheckBox x:Name="ThuBox" Content="四" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                                <CheckBox x:Name="FriBox" Content="五" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                                <CheckBox x:Name="SatBox" Content="六" Margin="0,0,10,0" Checked="Field_Changed" Unchecked="Field_Changed" />
+                            </WrapPanel>
+
+                            <TextBlock Text="每月" Grid.Row="6" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <StackPanel Grid.Row="6" Grid.Column="1" Margin="0,10,0,0" Orientation="Horizontal">
+                                <TextBox x:Name="MonthDayBox" Width="80" Height="30" TextChanged="Field_Changed" />
+                                <CheckBox x:Name="LastBusinessDayBox" Content="最后一个工作日" Margin="10,0,0,0" VerticalAlignment="Center" Checked="Field_Changed" Unchecked="Field_Changed" />
+                            </StackPanel>
+
+                            <TextBlock Text="Cron 表达式" Grid.Row="7" Margin="0,10,0,0" VerticalAlignment="Center" />
+                            <TextBox x:Name="CronBox" Grid.Row="7" Grid.Column="1" Margin="0,10,0,0" Height="30" TextChanged="Field_Changed" />
+
+                            <GroupBox Grid.Row="8" Grid.ColumnSpan="2" Header="高级调度与预览" Margin="0,14,0,0">
+                                <DockPanel Margin="10">
+                                    <StackPanel DockPanel.Dock="Top" Orientation="Horizontal">
+                                        <TextBlock Text="错过触发补偿策略" VerticalAlignment="Center" Margin="0,0,10,0" />
+                                        <ComboBox x:Name="MisfireBox" Width="180" Height="30" />
+                                    </StackPanel>
+                                    <TextBox x:Name="PreviewBox" Margin="0,12,0,0" IsReadOnly="True" AcceptsReturn="True" Height="130" />
+                                </DockPanel>
+                            </GroupBox>
+                        </Grid>
+                    </Border>
+                </Grid>
+            </TabItem>
+
+            <TabItem Header="消息动作">
+                <Grid Margin="14">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="130" />
+                        <ColumnDefinition Width="*" />
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="*" />
+                        <RowDefinition Height="Auto" />
+                    </Grid.RowDefinitions>
+
+                    <TextBlock Text="目标地址" VerticalAlignment="Center" />
+                    <TextBox x:Name="TargetUrlBox" Grid.Column="1" Height="30" IsReadOnly="True" />
+                    <TextBlock Text="Channel" Grid.Row="1" Margin="0,10,0,0" VerticalAlignment="Center" />
+                    <ComboBox x:Name="ChannelBox" Grid.Row="1" Grid.Column="1" Margin="0,10,0,0" Height="30" IsEditable="True" />
+                    <TextBlock Text="Title" Grid.Row="2" Margin="0,10,0,0" VerticalAlignment="Center" />
+                    <TextBox x:Name="TitleBox" Grid.Row="2" Grid.Column="1" Margin="0,10,0,0" Height="30" />
+                    <TextBlock Text="Body" Grid.Row="3" Margin="0,10,0,0" />
+                    <TextBox x:Name="BodyBox" Grid.Row="3" Grid.Column="1" Margin="0,10,0,0" AcceptsReturn="True" TextWrapping="Wrap" VerticalScrollBarVisibility="Auto" />
+                    <StackPanel Grid.Row="4" Grid.Column="1" Orientation="Horizontal" Margin="0,10,0,0">
+                        <Button Content="Send Test Message" Click="TestSend_Click" />
+                        <TextBlock x:Name="TestResultText" VerticalAlignment="Center" Margin="8,0,0,0" />
+                    </StackPanel>
+                </Grid>
+            </TabItem>
+        </TabControl>
+    </DockPanel>
+</Window>
diff --git a/OmniScheduler/TaskEditorWindow.xaml.cs b/OmniScheduler/TaskEditorWindow.xaml.cs
new file mode 100644
index 0000000..22ef268
--- /dev/null
+++ b/OmniScheduler/TaskEditorWindow.xaml.cs
@@ -0,0 +1,246 @@
+using System.Collections.ObjectModel;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace OmniScheduler;
+
+public partial class TaskEditorWindow : Window
+{
+    private readonly ScheduledTask _task;
+    private readonly AppSettings _settings;
+    private readonly NotifyClient _client;
+    private bool _loading;
+
+    private TaskEditorWindow(Window owner, ScheduledTask task, AppSettings settings, NotifyClient client)
+    {
+        InitializeComponent();
+        Owner = owner;
+        _task = task;
+        _settings = settings;
+        _client = client;
+
+        KindBox.ItemsSource = Enum.GetValues<TriggerKind>();
+        IntervalUnitBox.ItemsSource = Enum.GetValues<IntervalUnit>();
+        MisfireBox.ItemsSource = Enum.GetValues<MisfireStrategy>();
+        ChannelBox.ItemsSource = owner is MainWindow main
+            ? main.State.Tasks.Select(t => t.Channel).Where(c => !string.IsNullOrWhiteSpace(c)).Distinct().ToList()
+            : null;
+
+        LoadTask();
+    }
+
+    public static bool Edit(Window owner, ScheduledTask task, AppSettings settings, NotifyClient client)
+    {
+        var workingCopy = task.Clone();
+        workingCopy.Id = task.Id;
+        workingCopy.Name = task.Name;
+        var dialog = new TaskEditorWindow(owner, workingCopy, settings, client);
+        if (dialog.ShowDialog() == true)
+        {
+            task.CopyFrom(workingCopy);
+            return true;
+        }
+
+        return false;
+    }
+
+    private void LoadTask()
+    {
+        NameBox.Text = _task.Name;
+        DescriptionBox.Text = _task.Description;
+        EnabledBox.IsChecked = _task.IsEnabled;
+        TargetUrlBox.Text = _settings.OmniNotifyUrl;
+        ChannelBox.Text = _task.Channel;
+        TitleBox.Text = _task.Title;
+        BodyBox.Text = _task.Body;
+        MisfireBox.SelectedItem = _task.MisfireStrategy;
+        TriggersList.ItemsSource = _task.Triggers;
+        TriggersList.SelectedIndex = _task.Triggers.Count > 0 ? 0 : -1;
+    }
+
+    private void LoadTrigger(TaskTrigger? trigger)
+    {
+        _loading = true;
+        try
+        {
+            if (trigger is null)
+            {
+                return;
+            }
+
+            KindBox.SelectedItem = trigger.Kind;
+            OneTimeBox.Text = trigger.OneTimeAt.ToString("yyyy-MM-dd HH:mm:ss");
+            IntervalValueBox.Text = trigger.IntervalValue.ToString();
+            IntervalUnitBox.SelectedItem = trigger.IntervalUnit;
+            StartsAtBox.Text = trigger.StartsAt?.ToString("yyyy-MM-dd HH:mm:ss") ?? "";
+            EndsAtBox.Text = trigger.EndsAt?.ToString("yyyy-MM-dd HH:mm:ss") ?? "";
+            TimeOfDayBox.Text = trigger.TimeOfDay.ToString(@"hh\:mm\:ss");
+            MonthDayBox.Text = trigger.MonthDay.ToString();
+            LastBusinessDayBox.IsChecked = trigger.LastBusinessDay;
+            CronBox.Text = trigger.CronExpression;
+
+            SunBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Sunday);
+            MonBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Monday);
+            TueBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Tuesday);
+            WedBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Wednesday);
+            ThuBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Thursday);
+            FriBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Friday);
+            SatBox.IsChecked = trigger.WeekDays.HasFlag(DayOfWeekFlags.Saturday);
+        }
+        finally
+        {
+            _loading = false;
+            RefreshPreview();
+        }
+    }
+
+    private bool SaveTriggerFields()
+    {
+        if (_loading || TriggersList.SelectedItem is not TaskTrigger trigger)
+        {
+            return true;
+        }
+
+        trigger.Kind = KindBox.SelectedItem is TriggerKind kind ? kind : TriggerKind.Interval;
+        trigger.IntervalUnit = IntervalUnitBox.SelectedItem is IntervalUnit unit ? unit : IntervalUnit.Minutes;
+        trigger.LastBusinessDay = LastBusinessDayBox.IsChecked == true;
+        trigger.CronExpression = CronBox.Text.Trim();
+
+        if (int.TryParse(IntervalValueBox.Text, out var interval))
+        {
+            trigger.IntervalValue = interval;
+        }
+
+        if (int.TryParse(MonthDayBox.Text, out var monthDay))
+        {
+            trigger.MonthDay = Math.Clamp(monthDay, 1, 31);
+        }
+
+        if (DateTime.TryParse(OneTimeBox.Text, out var oneTime))
+        {
+            trigger.OneTimeAt = oneTime;
+        }
+
+        trigger.StartsAt = DateTime.TryParse(StartsAtBox.Text, out var startsAt) ? startsAt : null;
+        trigger.EndsAt = DateTime.TryParse(EndsAtBox.Text, out var endsAt) ? endsAt : null;
+
+        if (TimeSpan.TryParse(TimeOfDayBox.Text, out var time))
+        {
+            trigger.TimeOfDay = time;
+        }
+
+        var days = DayOfWeekFlags.None;
+        if (SunBox.IsChecked == true) days |= DayOfWeekFlags.Sunday;
+        if (MonBox.IsChecked == true) days |= DayOfWeekFlags.Monday;
+        if (TueBox.IsChecked == true) days |= DayOfWeekFlags.Tuesday;
+        if (WedBox.IsChecked == true) days |= DayOfWeekFlags.Wednesday;
+        if (ThuBox.IsChecked == true) days |= DayOfWeekFlags.Thursday;
+        if (FriBox.IsChecked == true) days |= DayOfWeekFlags.Friday;
+        if (SatBox.IsChecked == true) days |= DayOfWeekFlags.Saturday;
+        trigger.WeekDays = days;
+        trigger.Notify(nameof(TaskTrigger.Summary));
+        TriggersList.Items.Refresh();
+        RefreshPreview();
+        return true;
+    }
+
+    private bool SaveTaskFields()
+    {
+        ValidationText.Text = "";
+        SaveTriggerFields();
+
+        if (string.IsNullOrWhiteSpace(NameBox.Text))
+        {
+            ValidationText.Text = "任务名称不能为空";
+            return false;
+        }
+
+        foreach (var trigger in _task.Triggers)
+        {
+            if (trigger.Kind == TriggerKind.Interval && trigger.IntervalValue < 1)
+            {
+                ValidationText.Text = "固定间隔不能小于 1";
+                return false;
+            }
+        }
+
+        _task.Name = NameBox.Text.Trim();
+        _task.Description = DescriptionBox.Text.Trim();
+        _task.IsEnabled = EnabledBox.IsChecked == true;
+        _task.Channel = ChannelBox.Text.Trim();
+        _task.Title = TitleBox.Text.Trim();
+        _task.Body = BodyBox.Text;
+        _task.MisfireStrategy = MisfireBox.SelectedItem is MisfireStrategy strategy ? strategy : MisfireStrategy.DoNothing;
+        return true;
+    }
+
+    private void TriggersList_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        => LoadTrigger(TriggersList.SelectedItem as TaskTrigger);
+
+    private void AddTrigger_Click(object sender, RoutedEventArgs e)
+    {
+        var trigger = new TaskTrigger();
+        _task.Triggers.Add(trigger);
+        TriggersList.SelectedItem = trigger;
+        TriggersList.Items.Refresh();
+    }
+
+    private void RemoveTrigger_Click(object sender, RoutedEventArgs e)
+    {
+        if (TriggersList.SelectedItem is TaskTrigger trigger)
+        {
+            _task.Triggers.Remove(trigger);
+            TriggersList.Items.Refresh();
+        }
+    }
+
+    private void Field_Changed(object sender, RoutedEventArgs e)
+    {
+        if (!_loading)
+        {
+            SaveTriggerFields();
+        }
+    }
+
+    private async void TestSend_Click(object sender, RoutedEventArgs e)
+    {
+        if (!SaveTaskFields())
+        {
+            return;
+        }
+
+        TestResultText.Text = "发送中...";
+        var log = await _client.SendAsync(_task, "Test", _settings.OmniNotifyUrl);
+        TestResultText.Text = log.Level == "INFO" ? "测试发送成功" : log.Message;
+        TestResultText.Foreground = log.Level == "INFO"
+            ? System.Windows.Media.Brushes.ForestGreen
+            : System.Windows.Media.Brushes.Firebrick;
+    }
+
+    private void Save_Click(object sender, RoutedEventArgs e)
+    {
+        if (!SaveTaskFields())
+        {
+            return;
+        }
+
+        DialogResult = true;
+    }
+
+    private void Cancel_Click(object sender, RoutedEventArgs e)
+        => DialogResult = false;
+
+    private void RefreshPreview()
+    {
+        if (TriggersList.SelectedItem is not TaskTrigger trigger)
+        {
+            PreviewBox.Text = "";
+            return;
+        }
+
+        var preview = NextRunCalculator.Preview(trigger, DateTime.Now);
+        PreviewBox.Text = preview.Count == 0
+            ? "无法计算未来执行时间，请检查规则。"
+            : string.Join(Environment.NewLine, preview.Select(d => d.ToString("yyyy-MM-dd HH:mm:ss")));
+    }
+}
diff --git a/PRD.md b/PRD.md
new file mode 100644
index 0000000..9d6d1f2
--- /dev/null
+++ b/PRD.md
@@ -0,0 +1,123 @@
+# OmniScheduler 产品需求与交互说明书 (PRD)
+
+## 1. 产品概述
+**OmniScheduler** 是一款专为 Windows 系统设计的本地高级任务调度与消息推送管理软件。其核心目标是允许用户创建高度灵活的定时/计时规则，并在规则触发时，向本地环境的 `OmniNotify` 软件标准 API 发送结构化的 JSON 消息（包含频道、标题、内容）。
+产品风格定位为**技术工具型软件**，追求逻辑严密性、高信息密度、无干扰的后台运行体验以及所见即所得的日志反馈。
+
+## 2. 核心术语
+*   **任务 (Task)**：一个完整的调度单元，包含基础信息、触发器和消息载荷。
+*   **触发器 (Trigger)**：定义任务何时运行的时间规则（如固定时间、间隔、Cron表达式等）。
+*   **消息载荷 (Payload)**：触发时向 OmniNotify 发送的具体内容，由 `channel`（频道）、`title`（标题）、`body`（内容）组成。
+*   **补偿策略 (Misfire Strategy)**：当系统休眠或关机导致错过了原定触发时间后，系统恢复时如何处理这些错过的触发。
+
+---
+
+## 3. 核心功能需求
+
+### 3.1 任务管理 (Task Management)
+*   **任务属性**：
+    *   **任务名称**：必填，用于在列表中识别任务。
+    *   **任务描述**：选填，用于记录任务用途的备忘。
+    *   **状态开关**：启用 (Enabled) / 禁用 (Disabled)。禁用状态下的任务不会触发。
+*   **列表操作**：支持新建、编辑、删除、克隆（复制现有任务以便微调）、立即手动执行一次（用于测试）。
+
+### 3.2 触发器配置引擎 (Trigger Engine)
+为满足“丰富的可配置性”，一个任务允许配置**单个或多个**触发器。支持以下触发器类型：
+1.  **单次执行 (One-Time)**：指定未来的某一个具体日期和时间点。
+2.  **固定间隔 (Simple Interval)**：
+    *   配置项：每隔 `X` [秒/分钟/小时/天] 执行一次。
+    *   附加项：可设置“起始生效时间”和“结束失效时间”。
+3.  **每日/每周/每月定时 (Calendar Scheduled)**：
+    *   每日：每天 `HH:mm:ss` 执行（可添加多个时间点）。
+    *   每周：勾选周一至周日，在选定日的 `HH:mm:ss` 执行。
+    *   每月：每月的第 `X` 天 或 每月的“最后一个工作日”的 `HH:mm:ss` 执行。
+4.  **高级规则 (Cron Expression)** *(技术向特色功能)*：
+    *   允许用户直接输入标准的 Cron 表达式（如 `0 0/5 14 * * ?`）。
+    *   UI 需提供 Cron 表达式的“未来5次执行时间”的实时预览，方便用户自测。
+
+**高级调度设置（补偿策略）**：
+*   当系统从休眠中唤醒，发现错过了某次执行时，用户可配置：
+    *   *忽略 (Do Nothing)*：当作没发生，等待下一个周期。
+    *   *立即补偿 (Fire Once Now)*：立即补发一次消息，随后恢复正常计划。
+
+### 3.3 消息载荷配置 (Payload Configuration)
+任务触发后生成的 JSON 数据配置区：
+*   **频道 (Channel)**：单行文本输入框。提示用户“必须与 OmniNotify 控制面板中已创建的频道一致，否则将被 OmniNotify 拦截”。
+*   **标题 (Title)**：单行文本输入框。
+*   **内容 (Body)**：多行文本输入框，支持自动换行。
+*   **动态变量支持 (Dynamic Variables)** *(技术向特色功能)*：
+    *   允许在 Title 和 Body 中使用预设变量，以丰富消息内容。
+    *   例如：`{CurrentTime}` (当前时间), `{TaskName}` (任务名称), `{TriggerType}` (触发类型)。在发送时自动替换为真实值。
+
+### 3.4 运行日志与审计 (Execution Logs)
+*   **本地日志记录**：记录每一次任务触发的详细情况。
+*   **日志字段**：时间戳、任务名称、触发类型、目标 URL、HTTP 响应状态码（成功为 200，失败/拒绝需标红）、响应耗时。
+*   **详情查阅**：点击单条日志可查看实际发出的完整 JSON 请求体及接收方的响应。
+
+---
+
+## 4. 界面与交互规范 (UI/UX)
+
+整体 UI 风格向 Visual Studio、Postman 或 Windows 本地管理工具（MMC）靠拢。采用高对比度、紧凑的数据表格布局，支持 Windows 系统的深色/浅色模式切换。
+
+### 4.1 主窗口布局 (Main Dashboard)
+主界面采用 **“上下分栏 (Split View)”** 布局：
+
+*   **顶部工具栏 (Toolbar)**：
+    *   包含图标按钮：`新建任务`、`编辑`、`删除`、`克隆`、`手动触发`、`全局设置`。
+*   **上半部分：任务列表区 (DataGrid)**：
+    *   以数据表格形式展示。
+    *   列包含：状态 (Toggle Switch)、任务名称、频道、触发规则简述、上次运行时间、下次运行时间、最近一次状态 (成功/失败指示灯)。
+    *   支持按列头点击排序。
+*   **下半部分：执行日志区 (Log Console)**：
+    *   类似控制台输出，按时间倒序滚动显示近期日志。
+    *   分为 `INFO` (正常发送) 和 `ERROR` (发送失败或 OmniNotify 未启动/拒收)。
+    *   提供“清空日志”按钮。
+
+### 4.2 任务编辑窗口 (Task Editor Modal)
+采用 **“左侧导航树 + 右侧属性面板”** 或 **“多标签页 (Tabs)”** 形式：
+
+*   **Tab 1: 常规 (General)**
+    *   输入任务名称、描述，以及启用/禁用状态开关。
+*   **Tab 2: 触发器 (Triggers)**
+    *   左侧列出该任务已添加的触发器，右侧为具体配置表单。
+    *   下拉菜单选择触发器类型（间隔、每日、Cron等），下方表单根据类型动态切换。
+    *   最底部折叠面板提供“错过触发补偿策略”设置。
+*   **Tab 3: 消息动作 (Action/Payload)**
+    *   **目标地址**：默认只读显示 `http://127.0.0.1:19845/notify`（随全局设置变动）。
+    *   **载荷表单**：
+        *   Channel (带输入历史记忆的下拉文本框)
+        *   Title
+        *   Body
+    *   **测试按钮**：提供一个 `Send Test Message` 按钮，点击后立即使用当前填写的 Channel/Title/Body 向 OmniNotify 发送一次请求，并在旁边气泡提示成功或失败，无需保存任务即可验证频道是否合法。
+
+### 4.3 托盘与后台交互 (System Tray)
+*   **最小化到托盘**：由于是定时软件，点击主窗口的“关闭”按钮默认不退出程序，而是隐藏到系统托盘 (System Tray)。
+*   **托盘右键菜单**：
+    *   打开主界面 (Open Dashboard)
+    *   快速暂停所有任务 (Pause All Tasks)
+    *   退出 (Exit)
+*   **静默运行**：软件启动和运行时不应有任何强制弹窗打扰用户，所有通知全权交由 OmniNotify 处理。
+
+---
+
+## 5. 全局设置 (Global Settings)
+
+在独立的“设置”弹窗中提供以下全局配置：
+1.  **开机自启动**：跟随 Windows 登录启动（最小化到托盘）。
+2.  **OmniNotify API 地址**：默认值为 `http://127.0.0.1:19845/notify`。提供修改入口，以防未来 OmniNotify 端口或地址发生变更。
+3.  **日志保留策略**：防止本地日志无限膨胀，例如“保留最近 30 天的日志”或“最多保留 10000 条记录”。
+
+## 6. 异常流与边界说明 (Exception Flows)
+
+1.  **OmniNotify 未运行或端口被占用**：
+    *   触发器正常到点执行，但网络请求失败。
+    *   系统不应弹窗报错（避免积压成百上千个弹窗导致死机），只需在“执行日志区”静默记录一条标红的 `ERROR` 日志（如 `Connection Refused`）。
+2.  **OmniNotify 频道校验失败 (`IllegalChannel`)**：
+    *   触发器正常执行，网络请求发出。
+    *   收到 HTTP 状态异常（或特定拒收报文）。
+    *   日志区记录 `ERROR: IllegalChannel`，提示用户检查 OmniScheduler 中的频道名配置。
+3.  **并发触发 (Concurrent Execution)**：
+    *   若用户配置了大量的任务在同一秒（如 `00:00:00`）触发，系统需具备并行发出网络请求的能力，不能因为单条消息的发送阻塞导致后续消息延迟。
+4.  **规则冲突检查**：
+    *   UI 层面在用户保存时，如果发现“固定间隔”被设置为 0 秒，需高亮报错并阻断保存。最低间隔建议限制为 1 秒。
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