修复历史边界与流式消息去重并更新发布包

scripts/migrate-session-history.js

@@ -0,0 +1,37 @@
+#!/usr/bin/env node
+'use strict';
+
+// 默认预览；--apply 才会让服务端在 idle 状态下备份并原子迁移。
+// CC_WEB_PASSWORD=... node scripts/migrate-session-history.js <会话 ID> [--apply]
+const WebSocket = require('ws');
+
+const sessionId = process.argv.slice(2).find((arg) => !arg.startsWith('--'));
+if (!sessionId || !/^[0-9a-f-]{36}$/i.test(sessionId)) {
+  console.error('用法：node scripts/migrate-session-history.js <会话 ID> [--apply]');
+  process.exit(1);
+}
+const serverUrl = process.env.CC_WEB_SERVER_URL || `ws://127.0.0.1:${process.env.PORT || '8002'}/ws`;
+const ws = new WebSocket(serverUrl);
+const timer = setTimeout(() => finish({ ok: false, code: 'timeout' }), 15000);
+let finished = false;
+function finish(result) {
+  if (finished) return;
+  finished = true;
+  clearTimeout(timer);
+  console.log(JSON.stringify(result, null, 2));
+  process.exitCode = result.ok ? 0 : 1;
+  ws.terminate();
+}
+ws.on('open', () => ws.send(JSON.stringify({ type: 'auth', password: process.env.CC_WEB_PASSWORD || '' })));
+ws.on('error', (error) => finish({ ok: false, code: 'connection_failed', message: error.message }));
+ws.on('close', () => { if (!finished) finish({ ok: false, code: 'connection_closed' }); });
+ws.on('message', (raw) => {
+  let msg;
+  try { msg = JSON.parse(String(raw)); } catch { return; }
+  if (msg.type === 'auth_result') {
+    if (!msg.success) return finish({ ok: false, code: 'authentication_failed' });
+    ws.send(JSON.stringify({ type: 'migrate_session_history', sessionId, apply: process.argv.includes('--apply') }));
+  } else if (msg.type === 'migrate_session_history_result' || msg.type === 'error') {
+    finish(msg);
+  }
+});