add: final aggregation utils to obtain one dataset only

examples/behavior_1k/aggregate.slurm

@@ -0,0 +1,20 @@
+#!/bin/bash
+#SBATCH -J b1k-aggregate
+#SBATCH -p hopper-cpu
+#SBATCH --qos=high
+#SBATCH -c 2              # More CPUs won't help much (I/O bound)
+#SBATCH -t 20:00:00       # Conservative: 5.2x pattern suggests ~13h, so 12h is tight but reasonable
+#SBATCH --mem=8G          # Peak will be ~5-6GB, 8G gives comfortable margin
+#SBATCH -o logs/aggregate-50-%j.out
+#SBATCH -e logs/aggregate-50-%j.err
+
+set -euo pipefail
+export OMP_NUM_THREADS=${SLURM_CPUS_PER_TASK:-1}
+export PYTHONUNBUFFERED=1
+
+source "$HOME/.bashrc"
+conda activate lerobot
+
+cd /admin/home/francesco_capuano/lerobot
+
+python examples/behavior_1k/aggregate_tasks_datasets.py