fix

run_di1_group_avg.sh

@@ -8,12 +8,17 @@ BIN="${BIN:-./main.exe}"
 TTY_PATH="${TTY_PATH:-/tmp/ttyADC_data}"
 CSV_PATH="${CSV_PATH:-capture.csv}"
 SVG_PATH="${SVG_PATH:-capture.svg}"
+LIB_DIR="${LIB_DIR:-$HOME/.local/lib}"
 
 if [[ ! -x "$BIN" ]]; then
   echo "Binary '$BIN' not found or not executable. Run ./build_main.sh first." >&2
   exit 1
 fi
 
+if [[ -d "$LIB_DIR" ]]; then
+  export LD_LIBRARY_PATH="${LIB_DIR}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
+fi
+
 exec "$BIN" \
   clock:internal \
   internal_ref_hz:2000000 \