From 8b8b041f2b3437945c173b675d5daa08498f08dc Mon Sep 17 00:00:00 2001
From: skal <pascal.massimino@gmail.com>
Date: Sat, 14 Feb 2026 00:37:02 +0100
Subject: CNN v2 tool: Fix off-by-one in composited layer filenames

currentLayerIdx indexes layerOutputs array (0=Static Features, 1=Layer 0).
Filename should use layer number, not array index.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 tools/cnn_v2_test/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/cnn_v2_test/index.html b/tools/cnn_v2_test/index.html
index dd1e42b..622eecc 100644
--- a/tools/cnn_v2_test/index.html
+++ b/tools/cnn_v2_test/index.html
@@ -1884,7 +1884,7 @@ class CNNTester {
       const url = URL.createObjectURL(blob);
       const a = document.createElement('a');
       a.href = url;
-      a.download = `composited_layer${this.currentLayerIdx}_${compositedWidth}x${height}.png`;
+      a.download = `composited_layer${this.currentLayerIdx - 1}_${compositedWidth}x${height}.png`;
       a.click();
       URL.revokeObjectURL(url);
 
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