Initial commit: Nexus Mission Control Platform

- ASP.NET Core 10 Backend (JWT Auth, Agent config API)
- Vue 3 Frontend (Dashboard, Team, Agents, Config Editor)
- PostgreSQL Database
- Docker Compose setup
- Mission Control Dashboard redesign

backend/Integrations/NvidiaProvider.cs

@@ -0,0 +1,25 @@
+using Nexus.Api.Domain;
+
+namespace Nexus.Api.Integrations;
+
+public sealed class NvidiaProvider(IConfiguration configuration) : IModelProvider
+{
+    public string Name => "NVIDIA";
+
+    public Task<IReadOnlyCollection<ModelProviderStatus>> GetModelsAsync(
+        CancellationToken cancellationToken)
+    {
+        var configured = !string.IsNullOrWhiteSpace(
+            configuration["Integrations:Nvidia:ApiKey"]);
+        IReadOnlyCollection<ModelProviderStatus> models =
+        [
+            new(
+                Name,
+                "moonshotai/kimi-k2.6",
+                configured ? OperationalStatus.Online : OperationalStatus.Unknown,
+                false,
+                configured ? "Credential configured" : "Credential required")
+        ];
+        return Task.FromResult(models);
+    }
+}