feat: add service start/stop orchestration scripts

Former-commit-id: 4e4335591be6f906229115cef4fe9c42c11d70f1

scripts/test-env/stop-all.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
++# stop-all.sh — 按逆序停止所有服务
++source "$(dirname "${BASH_SOURCE[0]}")/config/env.sh"
++
++log_info "Stopping all services..."
++
++for pid_file in "$LOG_DIR"/*.pid; do
++  if [[ -f "$pid_file" ]]; then
++    pid=$(cat "$pid_file")
++    svc=$(basename "$pid_file" .pid)
++    if kill -0 "$pid" 2>/dev/null; then
++      log_info "Stopping $svc (pid=$pid)..."
++      kill "$pid"
++      sleep 2
++      kill -9 "$pid" 2>/dev/null || true
++      log_ok "  $svc stopped"
++    fi
++    rm -f "$pid_file"
++  fi
++done
++
++log_info "All services stopped"