docs: establish project harness baseline

init.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$ROOT_DIR"
+
+# T-001 接入真实工程后替换。
+INSTALL_CMD=(__REPLACE_AFTER_T001__)
+VERIFY_CMD=(__REPLACE_AFTER_T001__)
+START_CMD=(__REPLACE_AFTER_T001__)
+
+for value in "${INSTALL_CMD[0]}" "${VERIFY_CMD[0]}" "${START_CMD[0]}"; do
+  if [[ "$value" == __REPLACE_* ]]; then
+    echo "ERROR: 项目尚未完成 T-001，请配置 init.sh 并同步技术栈和当前状态文档。"
+    exit 2
+  fi
+done
+
+"${INSTALL_CMD[@]}"
+"${VERIFY_CMD[@]}"
+printf '启动命令:'
+printf ' %q' "${START_CMD[@]}"
+printf '\n'
+
+if [[ "${RUN_START_COMMAND:-0}" == "1" ]]; then
+  exec "${START_CMD[@]}"
+fi