Mod to fix Gemma4 tool parser

mods/fix-gemma4-tool-parser/run.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+cd /usr/local/lib/python3.12/dist-packages
+echo "Applying PR #38909"
+if curl -fsL https://patch-diff.githubusercontent.com/raw/vllm-project/vllm/pull/38909.diff | git apply --exclude="tests/*"; then
+  echo "- PR #38909 applied successfully"
+else
+  echo "- PR #38909 can't be applied, skipping"
+fi

recipes/gemma4-26b-a4b.yaml

@@ -18,8 +18,9 @@ container: vllm-node-tf5
 build_args:
   - --tf5
 
-# No mods required
-mods: []
+# Mods
+mods:
+  - mods/fix-gemma4-tool-parser
 
 # Default settings (can be overridden via CLI)
 defaults: