Bootstrap project and safe work-item workflow

scripts/work-item

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+
+for python in python3.13 python3.12 python3.11; do
+    if command -v "$python" >/dev/null 2>&1; then
+        exec "$python" -m work_item "$@"
+    fi
+done
+
+echo "work-item: Python 3.11 or newer is required" >&2
+exit 2