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src/__Libraries/StellaOps.Audit.ReplayToken/IReplayTokenGenerator.cs

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+namespace StellaOps.Audit.ReplayToken;
+
+/// <summary>
+/// Generates deterministic replay tokens for audit and reproducibility.
+/// </summary>
+public interface IReplayTokenGenerator
+{
+    /// <summary>
+    /// Generates a replay token from the given inputs.
+    /// </summary>
+    /// <param name="request">The inputs to hash.</param>
+    /// <returns>A deterministic replay token.</returns>
+    ReplayToken Generate(ReplayTokenRequest request);
+
+    /// <summary>
+    /// Verifies that inputs match a previously generated token.
+    /// </summary>
+    bool Verify(ReplayToken token, ReplayTokenRequest request);
+}