fix: use SLURM_SUBMIT_DIR to locate repo root under sbatch

scripts/train_videomme_slurm.sh

@@ -25,7 +25,14 @@
 
 set -euo pipefail
 
-cd "$(dirname "$0")/.."
+# sbatch 会把脚本拷贝到 Slurm spool 目录执行,$0 不指向仓库路径——须用
+# SLURM_SUBMIT_DIR(提交命令时所在目录,即仓库根)定位;本地直跑时回退 dirname。
+cd "${SLURM_SUBMIT_DIR:-$(dirname "$0")/..}"
+echo "== 工作目录: $(pwd) =="
+[[ -f "config/train_videomme.yaml" ]] || {
+  echo "错误: 当前目录不是仓库根(找不到 config/train_videomme.yaml)。请在仓库根目录提交 gpu-sbatch。" >&2
+  exit 1
+}
 
 echo "== Slurm Job: ${SLURM_JOB_ID:-unknown} | CUDA_VISIBLE_DEVICES=${CUDA_VISIBLE_DEVICES:-unset} =="
 nvidia-smi || true