feat: Add tags and endpoint summaries to various controllers for better API documentation

- Added tags to BrowserAuthController for browser authentication endpoints.
- Added tags to CatalogController for public catalog access.
- Added tags to CommerceController for student transaction operations.
- Added tags to CommissionController for tenant commission management.
- Added tags to CrmController for tenant CRM functionalities.
- Added tags to HealthController for system health checks.
- Added tags to LearningController for student learning resources.
- Added tags to MeController for current user information.
- Added tags to PlatformAdminController for platform management.
- Introduced PlatformBackofficeController for backend permissions management.
- Added tags to PlatformBillingCallbackController for billing callbacks.
- Added tags to PlatformPaymentSettingsController for payment settings management.
- Added tags to PlatformSaasController for SaaS package management.
- Added tags to PlatformTenantCapabilitiesController for tenant capabilities.
- Added tags to PointsController for student points management.
- Added tags to ProfileController for student profile management.
- Added tags to QuestionVideosController for question video resources.
- Added tags to ReferralController for referral growth management.
- Added tags to RuntimeController for runtime configurations.
- Added tags to ScorelineController for scoreline management.
- Added tags to TaxonomyController for category management.
- Added tags to TenantAdminDirectController for tenant operations management.
- Introduced TenantBackofficeController for tenant backend permissions.
- Added tags to TenantBillingController for tenant billing operations.
- Added tags to TenantCommerceController for tenant commerce operations.
- Added tags to TenantContentController for tenant content management.
- Added tags to TenantContentDirectController for direct content management.
- Added tags to TenantFrontendConfigController for frontend configurations.
- Added tags to TenantOnboardingController for onboarding guidance.
- Added tags to TenantPublicController for public tenant configurations.
- Added tags to TenantsController for current tenant information.
- Added tags to VideosController for student video resources.

Tiku.Api/Controllers/PlatformBillingCallbackController.cs

@@ -7,12 +7,15 @@ using Tiku.Application.PlatformBilling;
 namespace Tiku.Api.Controllers;
 
 [ApiController]
+[Tags("平台端-账务回调")]
 [Route("api/platform-billing/callbacks")]
 public sealed class PlatformBillingCallbackController(
     IPlatformBillingNotificationService notificationService) : ControllerBase
 {
     [AllowAnonymous]
     [HttpPost("{provider}")]
+    [EndpointSummary("处理平台账务支付回调")]
+    [EndpointDescription("接收平台账务支付渠道回调，按 provider 归一化后写入通知处理流程。")]
     public async Task<IActionResult> Notify(string provider, CancellationToken cancellationToken)
     {
         Request.EnableBuffering();