Enhance SwarmUI integration by adding swarm connection status to the API and updating client-side components to reflect this status. Improved localization strings for various SwarmUI states and refactored ApplicantsDialog and PersonCard components to utilize the new connection information, ensuring a more responsive user experience.

src/HSchool.Server/Program.cs

@@ -37,6 +37,7 @@ builder.Services.AddSingleton<GameSocketHandler>();
 builder.Services.AddSingleton<GameLoopService>();
 builder.Services.AddHostedService(sp => sp.GetRequiredService<GameLoopService>());
 builder.Services.AddSwarmUi(builder.Configuration);
+builder.Services.AddSingleton<SwarmUiHealthService>();
 builder.Services.AddSingleton(sp => SwarmUiSettings.Load(sp.GetRequiredService<IHostEnvironment>(), sp.GetRequiredService<ILoggerFactory>().CreateLogger("SwarmUiSettings")));
 builder.Services.AddSingleton<PortraitService>();
 
@@ -60,16 +61,19 @@ app.MapSchoolEndpoints();
 app.MapTimetableEndpoints();
 app.MapModEndpoints();
 
-app.MapGet("/api/status", (GameLoopService loop, ClientRegistry clients, IOptions<SwarmUiOptions> swarm) =>
+app.MapGet("/api/status", async (GameLoopService loop, ClientRegistry clients, IOptions<SwarmUiOptions> swarm, SwarmUiHealthService swarmHealth, CancellationToken cancellationToken) =>
 {
     var state = loop.SchoolsState;
+    var configured = !string.IsNullOrWhiteSpace(swarm.Value.BaseUrl);
+    var connected = configured ? await swarmHealth.GetConnectedAsync(cancellationToken) : null;
     return new GameStatusResponse(
         loop.CurrentTick,
         loop.Options.TickRate,
         state.Schools.Count,
         state.MaxSchools,
         clients.Count,
-        !string.IsNullOrWhiteSpace(swarm.Value.BaseUrl));
+        configured,
+        connected);
 })
 .WithName("GetGameStatus");
 
@@ -119,7 +123,8 @@ internal sealed record GameStatusResponse(
     int Schools,
     int MaxSchools,
     int Connections,
-    bool SwarmUiConfigured);
+    bool SwarmUiConfigured,
+    bool? SwarmUiConnected);
 
 /// <summary>Exposed so <c>WebApplicationFactory</c>-style tests can reference the entry point.</summary>
 public partial class Program;