新增车辆表及OTA权限与逻辑优化

新增车辆任务与报警表，完善实体与DbContext配置。细化OTA权限校验，增强回传会话IP安全。优化OTA上传与设置面板，调度器支持重启恢复。报警采集逻辑支持历史分段。

MiGu.DB/Kernel/Context/MiGuDbContext.Sets.cs

@@ -1,5 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using MiGu.DB.Domains.Dashboard;
+using MiGu.DB.Domains.Fleet;
 using MiGu.DB.Domains.SimpleFields;
 using MiGu.DB.Domains.Transport;
 using MiGu.DB.Domains.Wms;
@@ -25,4 +26,6 @@ public partial class MiGuDbContext
     public DbSet<WmsTransportTaskHistory> WmsTransportTaskHistories => Set<WmsTransportTaskHistory>();
     public DbSet<SimpleField> SimpleFields => Set<SimpleField>();
     public DbSet<UserDashboardShortcut> UserDashboardShortcuts => Set<UserDashboardShortcut>();
+    public DbSet<CdmTaskRecord> CdmTasks => Set<CdmTaskRecord>();
+    public DbSet<VehicleAlarmRecord> VehicleAlarms => Set<VehicleAlarmRecord>();
 }