feat: 优化触发器配置体验

- 根据触发器类型动态展示对应配置区域，减少无关字段干扰。
- 将单次、每日、每周、每月和生效时间范围改为日期选择器与时分秒下拉选择，避免手动输入时间格式。
- 为单次执行增加延后执行快捷设置，支持常用快捷按钮和自定义分钟、小时、天后执行。
- 移除开机自启设置、注册表写入逻辑和相关配置字段，降低对用户系统的影响。
- 同步优化部分任务状态、触发摘要和设置界面文案。

OmniScheduler/Services.cs

@@ -1,4 +1,3 @@
-using Microsoft.Win32;
 using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.IO;
@@ -54,8 +53,9 @@ public sealed class StateStore
     {
         var task = new ScheduledTask
         {
+            IsEnabled = false,
             Name = "OmniNotify 连通性测试",
-            Description = "可克隆此任务作为新消息模板。",
+            Description = "可克隆此任务作为新消息模板。默认禁用，避免首次启动自动发送。",
             Channel = "default",
             Title = "OmniScheduler 测试",
             Body = "来自 {TaskName} 的测试消息，触发时间 {CurrentTime}。"
@@ -138,7 +138,7 @@ public sealed class NotifyClient
     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}";
+            : $"发送失败 {fallback}";
 }
 
 public sealed class SchedulerService
@@ -180,7 +180,7 @@ public sealed class SchedulerService
 
     public async Task FireNowAsync(ScheduledTask task)
     {
-        await ExecuteAsync(task, "Manual");
+        await ExecuteAsync(task, "手动触发");
         task.NextRunAt = FindNext(task, DateTime.Now);
     }
 
@@ -214,7 +214,7 @@ public sealed class SchedulerService
     {
         task.LastRunAt = DateTime.Now;
         var log = await _client.SendAsync(task, triggerType, _state.Settings.OmniNotifyUrl);
-        task.LastStatus = log.Level == "INFO" ? "Success" : "Failed";
+        task.LastStatus = log.Level == "INFO" ? "成功" : "失败";
         _logSink(log);
     }
 
@@ -223,7 +223,7 @@ public sealed class SchedulerService
         var trigger = task.Triggers
             .OrderBy(t => Math.Abs(((NextRunCalculator.NextRun(t, DateTime.Now.AddDays(-1)) ?? dueAt) - dueAt).TotalSeconds))
             .FirstOrDefault();
-        return trigger?.Kind.ToString() ?? "Scheduled";
+        return trigger?.Summary ?? "计划触发";
     }
 
     private static DateTime? FindNext(ScheduledTask task, DateTime from)
@@ -294,7 +294,12 @@ public static class NextRunCalculator
             _ => TimeSpan.FromMinutes(trigger.IntervalValue)
         };
 
-        var start = trigger.StartsAt ?? DateTime.Now;
+        if (!trigger.StartsAt.HasValue)
+        {
+            return from.Add(interval);
+        }
+
+        var start = trigger.StartsAt.Value;
         if (from <= start)
         {
             return start;
@@ -424,26 +429,3 @@ public static class NextRunCalculator
         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);
-        }
-    }
-}