Merge feature/ops-1: TrueNAS deployment (compose + backup sidecar + nginx proxy + prod Dockerfiles), Gitea CI draft, German ops guide [god-QA: 18/18+47/47+e2e 48/48]

GerbilManagerWebAPI/Program.cs

@@ -50,12 +50,9 @@ app.MapDefaultEndpoints();
 app.MapOpenApi();
 app.MapScalarApiReference();
 
-if (app.Environment.IsDevelopment())
-{
-    // Aspire provisions an empty database in dev — bring the schema up to date.
-    using var scope = app.Services.CreateScope();
+// Apply EF migrations at startup (no-op if schema is current; safe for single-instance deploy).
+using (var scope = app.Services.CreateScope())
     scope.ServiceProvider.GetRequiredService<ApplicationContext>().Database.Migrate();
-}
 
 app.UseCors(LanCorsPolicy);