fix: broaden WeChat session page continuation phrasing

Recognize retry, HTML page, page edits, and poem content edits as session continuations so delivery skips fresh-thumbnail forcing and retains agent context for multi-turn page work.

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

wechat/wechat-page-continuation.test.mjs

@@ -0,0 +1,39 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { classifyWechatIntent } from './intent/classifier.mjs';
+import {
+  isWechatSessionPageContinuation,
+  isWechatPageRetryText,
+  isWechatPageEditText,
+  isWechatContentEditFollowup,
+} from './intent/page-continuation.mjs';
+
+test('WeChat page continuation detects retry and edit phrasings', () => {
+  assert.equal(isWechatPageRetryText('重试上次页面'), true);
+  assert.equal(isWechatPageEditText('修改刚才生成的页面，背景改成浅蓝色'), true);
+  assert.equal(isWechatContentEditFollowup('把诗里第三段改长一点'), true);
+
+  const retryIntent = classifyWechatIntent({ msgType: 'text', agentText: '重试上次页面' });
+  assert.equal(retryIntent.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(retryIntent, '重试上次页面'), true);
+
+  const editIntent = classifyWechatIntent({
+    msgType: 'text',
+    agentText: '把页面标题改成《七月清晨》',
+  });
+  assert.equal(editIntent.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(editIntent, editIntent.topic), true);
+
+  const poemEdit = classifyWechatIntent({ msgType: 'text', agentText: '把诗里第三段改长一点' });
+  assert.equal(poemEdit.kind, 'chat.general');
+  assert.equal(isWechatSessionPageContinuation(poemEdit, '把诗里第三段改长一点'), true);
+});
+
+test('WeChat page continuation rejects full new-topic page requests', () => {
+  const intent = classifyWechatIntent({
+    msgType: 'text',
+    agentText: '帮我做一个上海旅游攻略页面',
+  });
+  assert.equal(intent.kind, 'page.generate');
+  assert.equal(isWechatSessionPageContinuation(intent, intent.topic), false);
+});