diff --git a/SAC_LSTM_Bot/sac_train.sh b/SAC_LSTM_Bot/sac_train.sh
index cfd52f5..704b672 100755
--- a/SAC_LSTM_Bot/sac_train.sh
+++ b/SAC_LSTM_Bot/sac_train.sh
@@ -52,6 +52,9 @@ echo "Weights: $SACLSTM_WEIGHTS_PATH"
 # ── compile bot + java runner ─────────────────────────────────────────────────
 (cd "$SCRIPT_DIR" && nimble build -d:release) || { echo ">>> bot build failed"; exit 1; }
 mkdir -p "$WEIGHTS_DIR" "$CLASSES_DIR"
+# Startup sweep: atomic saves leave sac_latest.zip.tmp.*.part corpses behind if
+# a run is SIGKILLed (libzip modify-path, see notebook forensics) — clear them.
+rm -f "$WEIGHTS_DIR"/sac_latest.zip.tmp.*.part "$WEIGHTS_DIR"/sac_latest.zip.tmp
 javac -cp "$JAR" -d "$CLASSES_DIR" "$RUNNER_DIR/RunTraining.java" || { echo ">>> javac failed"; exit 1; }
 
 # ── weighted opponent pick over "Name:w,Name:w" ───────────────────────────────