dotnet 9 and sequential id

Core/RngEntropy.cs

@@ -0,0 +1,16 @@
+namespace Just.Core;
+
+/// <summary>
+/// Specifies the quality of random entropy used in ID generation
+/// </summary>
+public enum RngEntropy
+{
+    /// <summary>
+    /// Cryptographically secure random numbers (slower but collision-resistant)
+    /// </summary>
+    Strong,
+    /// <summary>
+    /// Standard pseudo-random numbers (faster but less collision-resistant)
+    /// </summary>
+    Weak
+}