Restructure solution layout by module

src/Cli/StellaOps.Cli/Services/Models/PolicySimulationModels.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+
+namespace StellaOps.Cli.Services.Models;
+
+internal sealed record PolicySimulationInput(
+    int? BaseVersion,
+    int? CandidateVersion,
+    IReadOnlyList<string> SbomSet,
+    IReadOnlyDictionary<string, object?> Environment,
+    bool Explain);
+
+internal sealed record PolicySimulationResult(
+    PolicySimulationDiff Diff,
+    string? ExplainUri);
+
+internal sealed record PolicySimulationDiff(
+    string? SchemaVersion,
+    int Added,
+    int Removed,
+    int Unchanged,
+    IReadOnlyDictionary<string, PolicySimulationSeverityDelta> BySeverity,
+    IReadOnlyList<PolicySimulationRuleDelta> RuleHits);
+
+internal sealed record PolicySimulationSeverityDelta(int? Up, int? Down);
+
+internal sealed record PolicySimulationRuleDelta(string RuleId, string RuleName, int? Up, int? Down);