refactor: reorganize Infrastructure layer into folder structure with DI

src/GreenHome.Infrastructure/DependencyInjection.cs

@@ -0,0 +1,70 @@
+using GreenHome.Application;
+using GreenHome.Infrastructure.Data;
+using GreenHome.Infrastructure.Services.AI;
+using GreenHome.Infrastructure.Services.Alert;
+using GreenHome.Infrastructure.Services.Auth;
+using GreenHome.Infrastructure.Services.Checklist;
+using GreenHome.Infrastructure.Services.Device;
+using GreenHome.Infrastructure.Services.PowerOutage;
+using GreenHome.Infrastructure.Services.Report;
+using GreenHome.Infrastructure.Services.Sun;
+using GreenHome.Infrastructure.Services.Telemetry;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace GreenHome.Infrastructure;
+
+/// <summary>
+/// Registers all Infrastructure-layer services with the DI container.
+/// Call this from Program.cs to keep startup clean.
+/// </summary>
+public static class DependencyInjection
+{
+    public static IServiceCollection AddInfrastructure(
+        this IServiceCollection services,
+        IConfiguration configuration)
+    {
+        // Entity Framework
+        services.AddDbContext<GreenHomeDbContext>(options =>
+        {
+            options.UseSqlServer(configuration.GetConnectionString("Default"));
+        });
+
+        // Auth
+        services.AddScoped<IAuthService, AuthService>();
+
+        // Alert
+        services.AddScoped<IAlertService, AlertService>();
+        services.AddScoped<IAlertConditionService, AlertConditionService>();
+        services.AddScoped<IAlertLogService, AlertLogService>();
+
+        // Device
+        services.AddScoped<IDeviceService, DeviceService>();
+        services.AddScoped<IDeviceSettingsService, DeviceSettingsService>();
+        services.AddScoped<IDeviceTokenService, DeviceTokenService>();
+        services.AddScoped<IDevicePostService, DevicePostService>();
+
+        // Telemetry
+        services.AddScoped<ITelemetryService, TelemetryService>();
+
+        // Reports
+        services.AddScoped<IDailyReportService, DailyReportService>();
+        services.AddScoped<IMonthlyReportService, MonthlyReportService>();
+        services.AddScoped<IUserDailyReportService, UserDailyReportService>();
+
+        // Checklist
+        services.AddScoped<IChecklistService, ChecklistService>();
+
+        // Power Outage
+        services.AddScoped<IPowerOutageLogService, PowerOutageLogService>();
+
+        // AI
+        services.AddScoped<IAIQueryService, AIQueryService>();
+
+        // Sun Calculator
+        services.AddScoped<ISunCalculatorService, SunCalculatorService>();
+
+        return services;
+    }
+}