feat: add PySide6 clipboard uploader with Nuitka release tooling

setup-venv.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+cd "${SCRIPT_DIR}"
+
+export UV_CACHE_DIR="${UV_CACHE_DIR:-/tmp/uv-cache}"
+export XDG_CACHE_HOME="${XDG_CACHE_HOME:-${SCRIPT_DIR}/.cache}"
+
+if ! command -v uv >/dev/null 2>&1; then
+  echo "未找到 uv，请先安装 uv。" >&2
+  exit 1
+fi
+
+uv venv .venv
+. .venv/bin/activate
+uv pip install -r requirements.txt -r requirements-build.txt
+
+echo "虚拟环境已就绪：${SCRIPT_DIR}/.venv"