fix: 租户端启动补齐字典与消息依赖

src/Api/TakeoutSaaS.TenantApi/Program.cs

@@ -11,10 +11,14 @@ using OpenTelemetry.Resources;
 using OpenTelemetry.Trace;
 using Serilog;
 using TakeoutSaaS.Application.App.Extensions;
+using TakeoutSaaS.Application.Dictionary.Extensions;
 using TakeoutSaaS.Application.Identity.Extensions;
+using TakeoutSaaS.Application.Messaging.Extensions;
 using TakeoutSaaS.Infrastructure.App.Extensions;
+using TakeoutSaaS.Infrastructure.Dictionary.Extensions;
 using TakeoutSaaS.Infrastructure.Identity.Extensions;
 using TakeoutSaaS.Module.Authorization.Extensions;
+using TakeoutSaaS.Module.Messaging.Extensions;
 using TakeoutSaaS.Module.Tenancy.Extensions;
 using TakeoutSaaS.Shared.Web.Extensions;
 using TakeoutSaaS.Shared.Web.Swagger;
@@ -94,6 +98,14 @@ builder.Services.AddIdentityApplication(enableMiniSupport: false);
 builder.Services.AddAppInfrastructure(builder.Configuration);
 builder.Services.AddIdentityInfrastructure(builder.Configuration, enableMiniFeatures: false, enableAdminSeed: false);
 
+// 6. (空行后) 注册字典模块（系统参数、字典项、缓存等）
+builder.Services.AddDictionaryApplication();
+builder.Services.AddDictionaryInfrastructure(builder.Configuration);
+
+// 6. (空行后) 注册消息发布能力（未配置 RabbitMQ 时自动降级为 NoOp 实现）
+builder.Services.AddMessagingApplication();
+builder.Services.AddMessagingModule(builder.Configuration);
+
 // 7. 配置 OpenTelemetry 采集
 var otelSection = builder.Configuration.GetSection("Otel");
 var otelEndpoint = otelSection.GetValue<string>("Endpoint");

src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Publishers/IdentityOperationLogPublisher.cs

@@ -1,4 +1,5 @@
 using MassTransit;
+using Microsoft.Extensions.Logging;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Events;
 
@@ -7,9 +8,20 @@ namespace TakeoutSaaS.Infrastructure.Logs.Publishers;
 /// <summary>
 /// 身份模块操作日志发布器（基于 MassTransit Outbox）。
 /// </summary>
-public sealed class IdentityOperationLogPublisher(IPublishEndpoint publishEndpoint) : IIdentityOperationLogPublisher
+public sealed class IdentityOperationLogPublisher(
+    ILogger<IdentityOperationLogPublisher> logger,
+    IPublishEndpoint? publishEndpoint = null) : IIdentityOperationLogPublisher
 {
     /// <inheritdoc />
     public Task PublishAsync(IdentityUserOperationLogMessage message, CancellationToken cancellationToken = default)
-        => publishEndpoint.Publish(message, cancellationToken);
+    {
+        if (publishEndpoint is null)
+        {
+            logger.LogDebug("未配置 MassTransit，已跳过操作日志消息发布：{OperationType}", message.OperationType);
+            return Task.CompletedTask;
+        }
+
+        // 1. (空行后) 已配置 MassTransit 时正常发布消息
+        return publishEndpoint.Publish(message, cancellationToken);
+    }
 }

src/Modules/TakeoutSaaS.Module.Messaging/Extensions/MessagingServiceCollectionExtensions.cs

@@ -17,8 +17,17 @@ public static class MessagingServiceCollectionExtensions
     /// </summary>
     public static IServiceCollection AddMessagingModule(this IServiceCollection services, IConfiguration configuration)
     {
+        var rabbitMqSection = configuration.GetSection("RabbitMQ");
+        if (!rabbitMqSection.Exists())
+        {
+            services.AddSingleton<IMessagePublisher, NoOpMessagePublisher>();
+            services.AddSingleton<IMessageSubscriber, NoOpMessageSubscriber>();
+            return services;
+        }
+
+        // 1. (空行后) 存在 RabbitMQ 配置时才启用真实 MQ 能力（启动时验证配置完整性）
         services.AddOptions<RabbitMqOptions>()
-            .Bind(configuration.GetSection("RabbitMQ"))
+            .Bind(rabbitMqSection)
             .ValidateDataAnnotations()
             .ValidateOnStart();
 

src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessagePublisher.cs

@@ -0,0 +1,21 @@
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// 空实现消息发布器：用于未配置 RabbitMQ 的开发/测试场景，避免启动依赖外部 MQ。
+/// </summary>
+public sealed class NoOpMessagePublisher(ILogger<NoOpMessagePublisher> logger) : IMessagePublisher
+{
+    /// <inheritdoc />
+    public Task PublishAsync<T>(string routingKey, T message, CancellationToken cancellationToken = default)
+    {
+        logger.LogDebug(
+            "未配置 RabbitMQ，已跳过消息发布：RoutingKey={RoutingKey} MessageType={MessageType}",
+            routingKey,
+            typeof(T).FullName ?? typeof(T).Name);
+        return Task.CompletedTask;
+    }
+}
+

src/Modules/TakeoutSaaS.Module.Messaging/Services/NoOpMessageSubscriber.cs

@@ -0,0 +1,25 @@
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Module.Messaging.Abstractions;
+
+namespace TakeoutSaaS.Module.Messaging.Services;
+
+/// <summary>
+/// 空实现消息订阅器：用于未配置 RabbitMQ 的开发/测试场景。
+/// </summary>
+public sealed class NoOpMessageSubscriber(ILogger<NoOpMessageSubscriber> logger) : IMessageSubscriber
+{
+    /// <inheritdoc />
+    public Task SubscribeAsync<T>(string queue, string routingKey, Func<T, CancellationToken, Task<bool>> handler, CancellationToken cancellationToken = default)
+    {
+        logger.LogWarning("未配置 RabbitMQ，消息订阅被禁用：Queue={Queue} RoutingKey={RoutingKey}", queue, routingKey);
+        return Task.CompletedTask;
+    }
+
+    // 1. (空行后) 释放资源（NoOp 实现无实际资源）
+    /// <inheritdoc />
+    public ValueTask DisposeAsync()
+    {
+        logger.LogDebug("NoOpMessageSubscriber 已释放。");
+        return ValueTask.CompletedTask;
+    }
+}