YD_TrainingCompetition_Api/Program.cs

using YD_TrainingCompetition_Api.Competition;
using YD_TrainingCompetition_Api.Hubs;
using YD_TrainingCompetition_Api.Options;
using YD_TrainingCompetition_Api.Protocols;
using YD_TrainingCompetition_Api.Serial;
using YD_TrainingCompetition_Api.Services;

var builder = WebApplication.CreateBuilder(args);

var listenUrls = builder.Configuration["ASPNETCORE_URLS"]
    ?? builder.Configuration["urls"]
    ?? "http://*:9996";
builder.WebHost.UseUrls(listenUrls);

builder.Services.Configure<ScoringOptions>(builder.Configuration.GetSection(ScoringOptions.SectionName));
builder.Services.Configure<Serial24GOptions>(builder.Configuration.GetSection(Serial24GOptions.SectionName));
builder.Services.Configure<RosterOptions>(builder.Configuration.GetSection(RosterOptions.SectionName));
builder.Services.Configure<HikvisionOptions>(builder.Configuration.GetSection(HikvisionOptions.SectionName));

builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
builder.Services.AddSignalR();

builder.Services.AddCors(options =>
{
    options.AddDefaultPolicy(policy =>
    {
        policy.AllowAnyHeader()
              .AllowAnyMethod()
              .SetIsOriginAllowed(_ => true)
              .AllowCredentials();
    });
});

builder.Services.AddSingleton<IDeviceStateStore, DeviceStateStore>();
builder.Services.AddSingleton<IRealtimeNotifier, SignalRRealtimeNotifier>();
builder.Services.AddSingleton<ISerialGateway, SerialGateway>();
builder.Services.AddSingleton<IJumpProtocolParser, JumpProtocolParser>();
builder.Services.AddSingleton<IRosterService, RosterService>();
builder.Services.AddSingleton<IParticipantDirectory, ParticipantDirectory>();
builder.Services.AddSingleton<ICompetitionSessionService, CompetitionSessionService>();
builder.Services.AddSingleton<IHikvisionAlarmStore, HikvisionAlarmStore>();
builder.Services.AddHostedService<SerialIngestWorker>();
builder.Services.AddHostedService<CompetitionCountdownWorker>();
builder.Services.AddHostedService<HikvisionIngestWorker>();

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

// 提供打包后内置的前端静态资源（桌面端通过 http 加载，避免 file:// 下 fetch/绝对路径失效）。
// 使用可执行文件同级的 wwwroot 绝对路径，避免内容根/工作目录差异导致静态资源 404。
var webRootPath = Path.Combine(AppContext.BaseDirectory, "wwwroot");
var hasBundledFrontend = Directory.Exists(webRootPath);
Microsoft.Extensions.FileProviders.PhysicalFileProvider? frontendFileProvider = null;
if (hasBundledFrontend)
{
    frontendFileProvider = new Microsoft.Extensions.FileProviders.PhysicalFileProvider(webRootPath);
    app.UseDefaultFiles(new DefaultFilesOptions { FileProvider = frontendFileProvider });
    app.UseStaticFiles(new StaticFileOptions { FileProvider = frontendFileProvider });
}

app.UseRouting();
app.UseCors();

app.MapControllers();
app.MapHub<ScoringHub>("/hubs/scoring");

// 单页应用兜底：非 API/Hub 路由回退到 index.html（仅当存在内置前端时生效）。
if (hasBundledFrontend && frontendFileProvider is not null)
{
    app.MapFallbackToFile("index.html", new StaticFileOptions { FileProvider = frontendFileProvider });
}

app.Run();