Rename Vexer to Excititor

src/StellaOps.Excititor.Core/IVexConsensusPolicy.cs

@@ -0,0 +1,26 @@
+namespace StellaOps.Excititor.Core;
+
+/// <summary>
+/// Policy abstraction supplying trust weights and gating logic for consensus decisions.
+/// </summary>
+public interface IVexConsensusPolicy
+{
+    /// <summary>
+    /// Semantic version describing the active policy.
+    /// </summary>
+    string Version { get; }
+
+    /// <summary>
+    /// Returns the effective weight (0-1) to apply for the provided VEX source.
+    /// </summary>
+    double GetProviderWeight(VexProvider provider);
+
+    /// <summary>
+    /// Determines whether the claim is eligible to participate in consensus.
+    /// </summary>
+    /// <param name="claim">Normalized claim to evaluate.</param>
+    /// <param name="provider">Provider metadata for the claim.</param>
+    /// <param name="rejectionReason">Textual reason when the claim is rejected.</param>
+    /// <returns><c>true</c> if the claim should participate; <c>false</c> otherwise.</returns>
+    bool IsClaimEligible(VexClaim claim, VexProvider provider, out string? rejectionReason);
+}