feat: K线点位标注工具完整实现与Ubuntu PM2部署

纯前端 Canvas 画线、拖拽、导出；Python venv + PM2 静态服务；
含部署脚本与使用/部署文档。

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

deploy/ecosystem.config.cjs

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+/**
+ * PM2 进程配置
+ * 使用 Python 虚拟环境中的 http.server 提供静态文件服务
+ */
+module.exports = {
+  apps: [
+    {
+      name: "chart-label-tool",
+      cwd: "/opt/chart-label-tool",
+      script: "/opt/chart-label-tool/venv/bin/python",
+      args: "-m http.server 8080 --bind 0.0.0.0 --directory /opt/chart-label-tool/public",
+      interpreter: "none",
+      autorestart: true,
+      watch: false,
+      max_memory_restart: "128M",
+      env: {
+        PYTHONUNBUFFERED: "1",
+      },
+    },
+  ],
+};

deploy/install.sh

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+#!/bin/bash
+# K线点位标注工具 - Ubuntu 一键部署脚本
+# 用法: sudo bash deploy/install.sh
+# 部署目录: /opt/chart-label-tool
+
+set -euo pipefail
+
+APP_DIR="/opt/chart-label-tool"
+REPO_URL="https://git.bz121.com/dekun/chart-label-tool.git"
+PORT=8080
+SERVICE_USER="root"
+
+echo "==> K线点位标注工具 部署开始"
+
+if [[ "$(id -u)" -ne 0 ]]; then
+  echo "请使用 root 运行: sudo bash deploy/install.sh"
+  exit 1
+fi
+
+# 依赖
+apt-get update -qq
+apt-get install -y -qq git python3 python3-venv python3-pip curl
+
+# Node.js + PM2（若未安装）
+if ! command -v pm2 &>/dev/null; then
+  if ! command -v node &>/dev/null; then
+    curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
+    apt-get install -y -qq nodejs
+  fi
+  npm install -g pm2
+fi
+
+# 拉取代码
+if [[ -d "$APP_DIR/.git" ]]; then
+  echo "==> 更新已有仓库 $APP_DIR"
+  cd "$APP_DIR"
+  git pull --ff-only origin main || git pull --ff-only
+else
+  echo "==> 克隆仓库到 $APP_DIR"
+  git clone "$REPO_URL" "$APP_DIR"
+  cd "$APP_DIR"
+fi
+
+# Python 虚拟环境
+if [[ ! -d "$APP_DIR/venv" ]]; then
+  echo "==> 创建 Python 虚拟环境"
+  python3 -m venv "$APP_DIR/venv"
+fi
+
+# PM2 启动/重载
+echo "==> 配置 PM2 守护进程"
+pm2 delete chart-label-tool 2>/dev/null || true
+pm2 start "$APP_DIR/deploy/ecosystem.config.cjs"
+pm2 save
+pm2 startup systemd -u "$SERVICE_USER" --hp "/root" 2>/dev/null || pm2 startup
+
+# 防火墙提示（可选）
+if command -v ufw &>/dev/null && ufw status | grep -q "Status: active"; then
+  ufw allow "$PORT/tcp" 2>/dev/null || true
+  echo "==> 已尝试放行 UFW 端口 $PORT"
+fi
+
+echo ""
+echo "=========================================="
+echo "  部署完成"
+echo "  访问地址: http://<服务器局域网IP>:$PORT"
+echo "  应用目录: $APP_DIR"
+echo "  查看状态: pm2 status"
+echo "  查看日志: pm2 logs chart-label-tool"
+echo "=========================================="