feat: Phase 2 — Delegated State, Auth, Review-Gate, Notifications, Zombie-Reset

backend/NexusDbContextFactory.cs

@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Design;
+using Nexus.Api.Data;
+
+namespace Nexus.Api;
+
+public class NexusDbContextFactory : IDesignTimeDbContextFactory<NexusDbContext>
+{
+    public NexusDbContext CreateDbContext(string[] args)
+    {
+        var optionsBuilder = new DbContextOptionsBuilder<NexusDbContext>();
+        var connectionString = args.Length > 0
+            ? args[0]
+            : Environment.GetEnvironmentVariable("ConnectionStrings__Nexus")
+              ?? "Host=localhost;Port=5432;Database=nexus;Username=nexus;Password=nexus";
+
+        optionsBuilder.UseNpgsql(connectionString);
+        return new NexusDbContext(optionsBuilder.Options);
+    }
+}