Add deployment

VigilCare.WardGateway/Program.cs

@@ -120,13 +120,15 @@ try
         ResponseWriter = HealthCheckResponseWriter.WriteAsync
     });
 
-    if (!app.Environment.IsEnvironment("Testing"))
+    // Startup migration is the proven path for this single-instance edge host.
+    // Gate with Gateway:AutoMigrate so production can switch to an out-of-band
+    // EF migration bundle later without a code change (Phase 36 Step 6).
+    if (!app.Environment.IsEnvironment("Testing")
+        && builder.Configuration.GetValue("Gateway:AutoMigrate", true))
     {
-        using (var scope = app.Services.CreateScope())
-        {
-            var db = scope.ServiceProvider.GetRequiredService<GatewayDbContext>();
-            await db.Database.MigrateAsync();
-        }
+        using var scope = app.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<GatewayDbContext>();
+        await db.Database.MigrateAsync();
     }
 
     app.Run();