doctor enhancements, setup, enhancements, ui functionality and design consolidation and , test projects fixes , product advisory attestation/rekor and delta verfications enhancements

src/__Libraries/StellaOps.Doctor/Models/RemediationStep.cs

@@ -33,6 +33,20 @@ public sealed record RemediationStep
     /// Key is the placeholder name (e.g., "HOSTNAME"), value is the description.
     /// </summary>
     public IReadOnlyDictionary<string, string>? Placeholders { get; init; }
+
+    /// <summary>
+    /// Indicates if this step performs destructive operations (delete, truncate, drop, reset, etc.).
+    /// Destructive steps should not be auto-executed by AdvisoryAI.
+    /// Added as part of SPRINT_20260118_015_Doctor_check_quality_improvements (DQUAL-005).
+    /// </summary>
+    public bool IsDestructive { get; init; }
+
+    /// <summary>
+    /// A safe dry-run variant of the command that previews what would happen without making changes.
+    /// For example, "rm -rf /path" might have a dry-run variant of "find /path -type f | head -20".
+    /// Added as part of SPRINT_20260118_015_Doctor_check_quality_improvements (DQUAL-005).
+    /// </summary>
+    public string? DryRunVariant { get; init; }
 }
 
 /// <summary>