fix/docker-log-rotation-disk-management (#93)

Co-authored-by: openhands <openhands@all-hands.dev>
Reviewed-on: https://codeberg.org/johba/harb/pulls/93

scripts/dev.sh

@@ -162,7 +162,12 @@ start_stack() {
 stop_stack() {
   cleanup_existing
   ${COMPOSE_CMD} down
-  echo "[ok] Stack stopped"
+
+  # Prune Docker resources to prevent disk bloat
+  echo "  Pruning Docker resources..."
+  ${RUNTIME_CMD} system prune -f --volumes 2>&1 | grep -E "Total reclaimed|deleted" || true
+
+  echo "[ok] Stack stopped and cleaned"
 }
 
 check_health() {