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src/Signals/StellaOps.Signals/Options/SignalsGateMultiplierOptions.cs

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+using System;
+using StellaOps.Signals.Models;
+
+namespace StellaOps.Signals.Options;
+
+/// <summary>
+/// Gate multiplier configuration in basis points (10000 = 100%).
+/// </summary>
+public sealed class SignalsGateMultiplierOptions
+{
+    public int AuthRequiredMultiplierBps { get; set; } = 3000;
+
+    public int FeatureFlagMultiplierBps { get; set; } = 2000;
+
+    public int AdminOnlyMultiplierBps { get; set; } = 1500;
+
+    public int NonDefaultConfigMultiplierBps { get; set; } = 5000;
+
+    public int MinimumMultiplierBps { get; set; } = 500;
+
+    public int GetMultiplierBps(CallgraphGateType gateType) => gateType switch
+    {
+        CallgraphGateType.AuthRequired => AuthRequiredMultiplierBps,
+        CallgraphGateType.FeatureFlag => FeatureFlagMultiplierBps,
+        CallgraphGateType.AdminOnly => AdminOnlyMultiplierBps,
+        CallgraphGateType.NonDefaultConfig => NonDefaultConfigMultiplierBps,
+        _ => 10000
+    };
+
+    public void Validate()
+    {
+        EnsureBps(nameof(AuthRequiredMultiplierBps), AuthRequiredMultiplierBps);
+        EnsureBps(nameof(FeatureFlagMultiplierBps), FeatureFlagMultiplierBps);
+        EnsureBps(nameof(AdminOnlyMultiplierBps), AdminOnlyMultiplierBps);
+        EnsureBps(nameof(NonDefaultConfigMultiplierBps), NonDefaultConfigMultiplierBps);
+        EnsureBps(nameof(MinimumMultiplierBps), MinimumMultiplierBps);
+    }
+
+    private static void EnsureBps(string name, int value)
+    {
+        if (value < 0 || value > 10000)
+        {
+            throw new ArgumentOutOfRangeException(name, value, "Value must be between 0 and 10000.");
+        }
+    }
+}
+