feat: add phase five operations foundation

Tiku.Application/Backoffice/IBackofficeService.cs

@@ -0,0 +1,49 @@
+namespace Tiku.Application.Backoffice;
+
+public interface IBackofficeService
+{
+    Task<BackofficeBootstrap> GetTenantBootstrapAsync(
+        BackofficeActor actor,
+        CancellationToken cancellationToken = default);
+
+    Task<BackofficeBootstrap> GetPlatformBootstrapAsync(
+        BackofficeActor actor,
+        CancellationToken cancellationToken = default);
+
+    Task<BackofficeRoleItem> UpsertTenantRoleAsync(
+        BackofficeActor actor,
+        UpsertBackofficeRoleCommand command,
+        CancellationToken cancellationToken = default);
+
+    Task<BackofficeRoleItem> UpsertPlatformRoleAsync(
+        BackofficeActor actor,
+        UpsertBackofficeRoleCommand command,
+        CancellationToken cancellationToken = default);
+
+    Task<BackofficeRoleItem> ReplaceTenantRoleBindingsAsync(
+        BackofficeActor actor,
+        ReplaceRoleBindingsCommand command,
+        CancellationToken cancellationToken = default);
+
+    Task<BackofficeRoleItem> ReplacePlatformRoleBindingsAsync(
+        BackofficeActor actor,
+        ReplaceRoleBindingsCommand command,
+        CancellationToken cancellationToken = default);
+
+    Task ReplaceTenantUserRolesAsync(
+        BackofficeActor actor,
+        ReplaceUserRolesCommand command,
+        CancellationToken cancellationToken = default);
+
+    Task ReplacePlatformUserRolesAsync(
+        BackofficeActor actor,
+        ReplaceUserRolesCommand command,
+        CancellationToken cancellationToken = default);
+}
+
+public interface IOperationAuditService
+{
+    Task WriteAsync(
+        BackofficeOperationAuditCommand command,
+        CancellationToken cancellationToken = default);
+}