feat: add role template and tenant role apis

src/Application/TakeoutSaaS.Application/Identity/Queries/RoleDetailQuery.cs

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+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 查询角色详情（含权限）。
+/// </summary>
+public sealed class RoleDetailQuery : IRequest<RoleDetailDto?>
+{
+    /// <summary>
+    /// 角色 ID。
+    /// </summary>
+    public long RoleId { get; init; }
+}

src/Application/TakeoutSaaS.Application/Identity/Queries/RoleTemplatePermissionsQuery.cs

@@ -0,0 +1,15 @@
+using MediatR;
+using TakeoutSaaS.Application.Identity.Contracts;
+
+namespace TakeoutSaaS.Application.Identity.Queries;
+
+/// <summary>
+/// 查询角色模板权限列表。
+/// </summary>
+public sealed class RoleTemplatePermissionsQuery : IRequest<IReadOnlyList<PermissionTemplateDto>>
+{
+    /// <summary>
+    /// 模板编码。
+    /// </summary>
+    public string TemplateCode { get; init; } = string.Empty;
+}