chore: make work-item a reusable subproject

work_item/scripts/python

@@ -0,0 +1,26 @@
+#!/bin/sh
+set -eu
+
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
+WORK_ITEM_ROOT=$(CDPATH= cd -- "$SCRIPT_DIR/.." && pwd)
+if [ -n "${PYTHONPATH:-}" ]; then
+    export PYTHONPATH="$WORK_ITEM_ROOT/src:$PYTHONPATH"
+else
+    export PYTHONPATH="$WORK_ITEM_ROOT/src"
+fi
+
+if command -v conda >/dev/null 2>&1; then
+    conda_version=$(conda run -n base python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")' 2>/dev/null || true)
+    case "$conda_version" in
+        3.1[2-9]|3.[2-9][0-9]) exec conda run --no-capture-output -n base python "$@" ;;
+    esac
+fi
+
+for python in python3.13 python3.12; do
+    if command -v "$python" >/dev/null 2>&1; then
+        exec "$python" "$@"
+    fi
+done
+
+echo "work-item: Python 3.12 or newer is required" >&2
+exit 2