feature: In-App Simulation Runner (Backend)

VigilCareClinicalAPI/Domains/Entities/Patient.cs

@@ -16,5 +16,8 @@ public class Patient
     public string Status { get; set; } = "active";
     public DateTimeOffset CreatedAt { get; set; }
 
+    /// <summary>True when this patient was created by the simulation runner. Never set for ingested clinical data.</summary>
+    public bool IsSimulated { get; set; }
+
     public ICollection<Encounter> Encounters { get; set; } = new List<Encounter>();
 }