From ea114969b8c1aa2b3ba5385833fac82b4c49aaef Mon Sep 17 00:00:00 2001
From: Meta Vens <rwvens@hotmail.com>
Date: Tue, 26 May 2026 20:23:57 +0100
Subject: [PATCH] Gate graph tract parity smoke metrics

---
 .../PinkTromboneLogMelParityTests.cs               | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/AquaSynth.Dsl.Tests/PinkTromboneLogMelParityTests.cs b/tests/AquaSynth.Dsl.Tests/PinkTromboneLogMelParityTests.cs
index c7f636b..d8b9311 100644
--- a/tests/AquaSynth.Dsl.Tests/PinkTromboneLogMelParityTests.cs
+++ b/tests/AquaSynth.Dsl.Tests/PinkTromboneLogMelParityTests.cs
@@ -10,6 +10,14 @@ public sealed class PinkTromboneLogMelParityTests
     {
         ["closure-release"] = -0.1f
     };
+    private static readonly IReadOnlyDictionary<string, float> GraphSmokeCosineFloors = new Dictionary<string, float>
+    {
+        ["open-vowel"] = 0.55f,
+        ["front-vowel"] = 0.57f,
+        ["nasal-vowel"] = 0.48f,
+        ["sibilant"] = 0.18f,
+        ["closure-release"] = 0.05f
+    };
 
     [Fact]
     public void PinkTromboneReferenceRendererProducesAudibleFixtureAudio()
@@ -76,6 +84,12 @@ public sealed class PinkTromboneLogMelParityTests
             Assert.True(
                 comparison.LogMelCosineSimilarity >= FixtureSmokeCosineFloors.GetValueOrDefault(fixture.Id, SmokeCosineFloor),
                 $"{Report(fixture, comparison, "waveguide")}{Environment.NewLine}artifacts: {artifactDir}");
+            Assert.True(
+                graphComparison.LogMelCosineSimilarity >= GraphSmokeCosineFloors.GetValueOrDefault(fixture.Id, SmokeCosineFloor),
+                $"{Report(fixture, graphComparison, "graph")}{Environment.NewLine}artifacts: {artifactDir}");
+            Assert.True(
+                graphComparison.RmsRatio is > 0.03f and < 2.25f,
+                $"{Report(fixture, graphComparison, "graph")}{Environment.NewLine}artifacts: {artifactDir}");
         }
 
         Directory.CreateDirectory(artifactDir);