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src/Policy/StellaOps.PolicyDsl/PolicyIr.cs

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+using System.Collections.Immutable;
+
+namespace StellaOps.PolicyDsl;
+
+/// <summary>
+/// Intermediate representation of a compiled policy document.
+/// </summary>
+public sealed record PolicyIrDocument(
+    string Name,
+    string Syntax,
+    ImmutableSortedDictionary<string, PolicyIrLiteral> Metadata,
+    ImmutableArray<PolicyIrProfile> Profiles,
+    ImmutableSortedDictionary<string, PolicyIrLiteral> Settings,
+    ImmutableArray<PolicyIrRule> Rules);
+
+public abstract record PolicyIrLiteral;
+
+public sealed record PolicyIrStringLiteral(string Value) : PolicyIrLiteral;
+
+public sealed record PolicyIrNumberLiteral(decimal Value) : PolicyIrLiteral;
+
+public sealed record PolicyIrBooleanLiteral(bool Value) : PolicyIrLiteral;
+
+public sealed record PolicyIrListLiteral(ImmutableArray<PolicyIrLiteral> Items) : PolicyIrLiteral;
+
+public sealed record PolicyIrProfile(
+    string Name,
+    ImmutableArray<PolicyIrProfileMap> Maps,
+    ImmutableArray<PolicyIrProfileEnv> Environments,
+    ImmutableArray<PolicyIrProfileScalar> Scalars);
+
+public sealed record PolicyIrProfileMap(string Name, ImmutableArray<PolicyIrProfileMapEntry> Entries);
+
+public sealed record PolicyIrProfileMapEntry(string Source, decimal Weight);
+
+public sealed record PolicyIrProfileEnv(string Name, ImmutableArray<PolicyIrProfileEnvEntry> Entries);
+
+public sealed record PolicyIrProfileEnvEntry(PolicyExpression Condition, decimal Weight);
+
+public sealed record PolicyIrProfileScalar(string Name, PolicyIrLiteral Value);
+
+public sealed record PolicyIrRule(
+    string Name,
+    int Priority,
+    PolicyExpression When,
+    ImmutableArray<PolicyIrAction> ThenActions,
+    ImmutableArray<PolicyIrAction> ElseActions,
+    string Because);
+
+public abstract record PolicyIrAction;
+
+public sealed record PolicyIrAssignmentAction(ImmutableArray<string> Target, PolicyExpression Value) : PolicyIrAction;
+
+public sealed record PolicyIrAnnotateAction(ImmutableArray<string> Target, PolicyExpression Value) : PolicyIrAction;
+
+public sealed record PolicyIrIgnoreAction(PolicyExpression? Until, string? Because) : PolicyIrAction;
+
+public sealed record PolicyIrEscalateAction(PolicyExpression? To, PolicyExpression? When) : PolicyIrAction;
+
+public sealed record PolicyIrRequireVexAction(ImmutableSortedDictionary<string, PolicyExpression> Conditions) : PolicyIrAction;
+
+public sealed record PolicyIrWarnAction(PolicyExpression? Message) : PolicyIrAction;
+
+public sealed record PolicyIrDeferAction(PolicyExpression? Until) : PolicyIrAction;