chore(dev): 按端口杀进程树，避免 Windows 孤儿监听

新增 stop.bat/ps1/sh，并写入本地开发规则：停服务用脚本、停后复核端口。

Co-authored-by: Cursor <cursoragent@cursor.com>

stop.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# 按端口终止 :3000 / :3001 的监听进程（含子进程）
+# 用法：./stop.sh
+
+ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
+cd "$ROOT_DIR"
+
+kill_port() {
+  local port="$1"
+  local pids
+  if command -v lsof &>/dev/null; then
+    pids="$(lsof -tiTCP:"$port" -sTCP:LISTEN 2>/dev/null || true)"
+  elif command -v fuser &>/dev/null; then
+    fuser -k "${port}/tcp" 2>/dev/null || true
+    echo "  :${port} 已尝试 fuser -k"
+    return
+  else
+    echo "  需要 lsof 或 fuser 才能按端口清理"
+    return 1
+  fi
+  if [ -z "${pids}" ]; then
+    echo "  :${port} 空闲"
+    return
+  fi
+  # shellcheck disable=SC2086
+  echo "  :${port} -> PID ${pids}"
+  kill ${pids} 2>/dev/null || true
+  sleep 0.3
+  # shellcheck disable=SC2086
+  kill -9 ${pids} 2>/dev/null || true
+}
+
+echo "══════════════════════════════════════════"
+echo "  jiang13-bbs Dev Stopper"
+echo "══════════════════════════════════════════"
+echo "按端口终止 :3000 / :3001 ..."
+kill_port 3000
+kill_port 3001
+echo "完成。停库请另执行: docker compose down"
+echo "══════════════════════════════════════════"