Add user delete process

services/tenant/app/api/tenants.py

@@ -98,3 +98,56 @@ async def update_tenant(
             status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
             detail="Tenant update failed"
         )
+
+@router.delete(route_builder.build_base_route("{tenant_id}", include_tenant_prefix=False))
+@track_endpoint_metrics("tenant_delete")
+async def delete_tenant(
+    tenant_id: UUID = Path(..., description="Tenant ID"),
+    current_user: Dict[str, Any] = Depends(get_current_user_dep),
+    tenant_service: EnhancedTenantService = Depends(get_enhanced_tenant_service)
+):
+    """Delete tenant and all associated data - ATOMIC operation (Owner/Admin or System only)"""
+
+    logger.info(
+        "Tenant DELETE request received",
+        tenant_id=str(tenant_id),
+        user_id=current_user.get("user_id"),
+        user_type=current_user.get("type", "user"),
+        is_service=current_user.get("type") == "service",
+        role=current_user.get("role"),
+        service_name=current_user.get("service", "none")
+    )
+
+    try:
+        # Allow internal service calls to bypass admin check
+        skip_admin_check = current_user.get("type") == "service"
+
+        result = await tenant_service.delete_tenant(
+            str(tenant_id),
+            requesting_user_id=current_user.get("user_id"),
+            skip_admin_check=skip_admin_check
+        )
+
+        logger.info(
+            "Tenant DELETE request successful",
+            tenant_id=str(tenant_id),
+            user_id=current_user.get("user_id"),
+            deleted_items=result.get("deleted_items")
+        )
+
+        return {
+            "message": "Tenant deleted successfully",
+            "summary": result
+        }
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error("Tenant deletion failed",
+                    tenant_id=str(tenant_id),
+                    user_id=current_user.get("user_id"),
+                    error=str(e))
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail="Tenant deletion failed"
+        )