audit, advisories and doctors/setup work

src/SbomService/StellaOps.SbomService/Models/SbomLedgerModels.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
@@ -383,8 +384,13 @@ public sealed record SbomRetentionResult(
 
 public sealed class SbomLedgerOptions
 {
+    [Range(1, 10000)]
     public int MaxVersionsPerArtifact { get; init; } = 50;
+
+    [Range(0, 36500)]
     public int MaxAgeDays { get; init; }
+
+    [Range(1, 10000)]
     public int MinVersionsToKeep { get; init; } = 1;
 }