fix(iso): include full nvidia opencl runtime

iso/builder/smoketest.sh

@@ -109,6 +109,40 @@ else
     fail "nvidia-smi: not found in PATH"
 fi
 
+echo ""
+echo "-- OpenCL / John --"
+if [ -f /etc/OpenCL/vendors/nvidia.icd ]; then
+    ok "OpenCL ICD present: /etc/OpenCL/vendors/nvidia.icd"
+else
+    fail "OpenCL ICD missing: /etc/OpenCL/vendors/nvidia.icd"
+fi
+
+if ldconfig -p 2>/dev/null | grep -q "libnvidia-opencl.so.1"; then
+    ok "libnvidia-opencl.so.1 present in linker cache"
+else
+    fail "libnvidia-opencl.so.1 missing from linker cache"
+fi
+
+if command -v clinfo >/dev/null 2>&1; then
+    if clinfo -l 2>/dev/null | grep -q "Platform"; then
+        ok "clinfo: OpenCL platform detected"
+    else
+        fail "clinfo: no OpenCL platform detected"
+    fi
+else
+    fail "clinfo: not found in PATH"
+fi
+
+if command -v john >/dev/null 2>&1; then
+    if john --list=opencl-devices 2>/dev/null | grep -q "Device #"; then
+        ok "john: OpenCL devices detected"
+    else
+        fail "john: no OpenCL devices detected"
+    fi
+else
+    fail "john: not found in PATH"
+fi
+
 echo ""
 echo "-- lib symlinks --"
 for lib in libnvidia-ml libcuda; do