feat(install): 新增安装脚本模块化重构

install/rollback.js

@@ -0,0 +1,60 @@
+const { log } = require('./logger');
+const { runCommand } = require('./utils');
+
+const rollbackSteps = [];
+
+function addRollbackStep(fn) {
+  rollbackSteps.push(fn);
+}
+
+async function rollback() {
+  if (rollbackSteps.length === 0) {
+    log.info('无需回滚');
+    return;
+  }
+
+  log.step('回滚');
+  log.warning('安装失败，正在清理已安装的内容...');
+
+  const totalSteps = rollbackSteps.length;
+  let completedSteps = 0;
+
+  for (const step of rollbackSteps.reverse()) {
+    try {
+      await step();
+      completedSteps++;
+    } catch {
+    }
+  }
+
+  const fs = require('fs');
+  const path = require('path');
+  const configFiles = [
+    path.join(__dirname, '..', 'backend', '.env'),
+    path.join(__dirname, '..', 'ecosystem.config.js'),
+    path.join(__dirname, '..', 'deploy', 'nginx-idc.conf'),
+  ];
+
+  for (const file of configFiles) {
+    try {
+      if (fs.existsSync(file)) {
+        fs.unlinkSync(file);
+      }
+    } catch {
+    }
+  }
+
+  try {
+    runCommand('pm2 save', { silent: true });
+  } catch {
+  }
+
+  log.info(`已回滚 ${completedSteps}/${totalSteps} 个步骤`);
+  log.info('如需重新安装，请再次运行: node install.js');
+}
+
+module.exports = {
+  rollbackSteps,
+  addRollbackStep,
+  rollback,
+};