feat(infrastructure): add GatewayExtensions for modular IoC registration
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# 计划 03 执行摘要
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**计划:** 01-gateway-routing-03
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**状态:** ✓ 完成
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**日期:** 2026-03-03
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## 完成的任务
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### 任务 1: 创建 GatewayExtensions ✓
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创建了 `Fengling.Platform.Infrastructure/GatewayExtensions.cs`:
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```csharp
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public static class GatewayExtensions
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{
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public static IServiceCollection AddGatewayCore<TContext>(this IServiceCollection services)
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where TContext : PlatformDbContext
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{
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services.AddScoped<IRouteStore, RouteStore<TContext>>();
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services.AddScoped<IInstanceStore, InstanceStore<TContext>>();
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services.AddScoped<IRouteManager, RouteManager>();
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return services;
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}
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}
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```
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**设计决策:**
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- 使用 `PlatformDbContext` 作为约束(而非计划中的 `GatewayDbContext`)
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- Gateway 实体已集成到 `PlatformDbContext` 中,无需单独的 `GatewayDbContext`
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### 任务 2: 数据库迁移 ⚠
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**跳过原因:** EF Core 工具在当前环境中不可用。迁移应在实际部署时生成。
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**迁移命令参考:**
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```bash
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cd Fengling.Platform.Infrastructure
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dotnet ef migrations add InitialGateway --startup-project ../path/to/startup
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```
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## 验证结果
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- [x] `GatewayExtensions.cs` 已创建
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- [x] 构建通过 (0 错误, 4 警告)
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- [x] `AddGatewayCore<TContext>` 方法可正常注册所有 Gateway 服务
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## 偏差说明
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| 原计划 | 实际实现 | 原因 |
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|--------|----------|------|
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| `where TContext : GatewayDbContext` | `where TContext : PlatformDbContext` | Gateway 实体已集成到 PlatformDbContext |
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| 生成 EF 迁移 | 跳过 | EF 工具不可用,推迟到部署时 |
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## 后续步骤
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- Phase 1 完成
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- 可以开始 Phase 2: Platform Core 或 Phase 3: 网关调整
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---
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*Phase: 01-gateway-routing*
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*Plan: 03*
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*执行时间: 2026-03-03*
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28
Fengling.Platform.Infrastructure/GatewayExtensions.cs
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28
Fengling.Platform.Infrastructure/GatewayExtensions.cs
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using Microsoft.Extensions.DependencyInjection;
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namespace Fengling.Platform.Infrastructure;
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/// <summary>
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/// Gateway 服务扩展方法
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/// </summary>
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public static class GatewayExtensions
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{
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/// <summary>
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/// 注册 Gateway 核心服务
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/// </summary>
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/// <typeparam name="TContext">数据库上下文类型</typeparam>
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/// <param name="services">服务集合</param>
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/// <returns>服务集合</returns>
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public static IServiceCollection AddGatewayCore<TContext>(this IServiceCollection services)
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where TContext : PlatformDbContext
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{
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// 注册 Gateway stores
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services.AddScoped<IRouteStore, RouteStore<TContext>>();
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services.AddScoped<IInstanceStore, InstanceStore<TContext>>();
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// 注册 Gateway managers
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services.AddScoped<IRouteManager, RouteManager>();
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return services;
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}
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}
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