feat(wechat): channel split with stub-safe page delivery

Introduce wechat/ channel package; never send stub HTML links to service-account users.
2026-07-04 05:21:13 +00:00
parent f36e8b9292
commit 2a3579c73a
8 changed files with 413 additions and 24 deletions
@@ -0,0 +1,76 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import os from 'node:os';
+import path from 'node:path';
+import test from 'node:test';
+import { classifyWechatIntent, isPageGenerateIntent } from './intent/classifier.mjs';
+import {
+  filterSendableHtmlArtifacts,
+  isStubPublicHtmlContent,
+  selectSendableHtmlArtifacts,
+  verifyPageArtifactContent,
+} from './verify/page-artifact.mjs';
+import { resolvePageGenerateOutcome } from './handlers/page-generate.mjs';
+
+test('classifyWechatIntent detects page.generate', () => {
+  const intent = classifyWechatIntent({
+    msgType: 'text',
+    agentText: '帮我生成一个唐诗页面，放一首诗',
+  });
+  assert.equal(intent.kind, 'page.generate');
+  assert.match(intent.topic, /唐诗页面/);
+  assert.equal(isPageGenerateIntent({ msgType: 'text', agentText: intent.topic }), true);
+});
+
+test('classifyWechatIntent detects session.reset', () => {
+  assert.equal(classifyWechatIntent({ msgType: 'text', agentText: '换话题' }).kind, 'session.reset');
+});
+
+test('selectSendableHtmlArtifacts never returns stub html', () => {
+  const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'wechat-stub-'));
+  const stubPath = path.join(dir, 'tang-poem.html');
+  fs.writeFileSync(
+    stubPath,
+    '<html>服务号自动补出简版页面</html>',
+    'utf8',
+  );
+  const realPath = path.join(dir, 'real.html');
+  fs.writeFileSync(
+    realPath,
+    `<!doctype html><html><body><main>${'x'.repeat(600)}</main></body></html>`,
+    'utf8',
+  );
+  const artifacts = [
+    { localPath: stubPath, relativePath: 'public/tang-poem.html', url: 'https://example/tang-poem.html' },
+    { localPath: realPath, relativePath: 'public/real.html', url: 'https://example/real.html' },
+  ];
+  const sendable = selectSendableHtmlArtifacts({ confirmedArtifacts: artifacts });
+  assert.equal(sendable.length, 1);
+  assert.match(sendable[0].relativePath, /real\.html/);
+  assert.equal(isStubPublicHtmlContent('<html>服务号自动补出简版页面</html>'), true);
+});
+
+test('resolvePageGenerateOutcome fails when only stub artifacts exist', () => {
+  const outcome = resolvePageGenerateOutcome({
+    reply: { text: '页面已生成 https://m.tkmind.cn/MindSpace/u/public/tang-poem.html' },
+    confirmedArtifacts: [
+      {
+        localPath: '/tmp/stub.html',
+        relativePath: 'public/tang-poem.html',
+      },
+    ],
+    htmlGenerationNeedsRetry: true,
+    replyHasPublicLinks: true,
+  });
+  assert.equal(outcome.action, 'fail');
+  assert.match(outcome.failureText, /服务号页面技能/);
+});
+
+test('verifyPageArtifactContent rejects small stub files', () => {
+  const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'wechat-verify-'));
+  const file = path.join(dir, 'page.html');
+  fs.writeFileSync(file, '<html>服务号兜底</html>', 'utf8');
+  const artifact = { localPath: file, relativePath: 'public/page.html' };
+  assert.equal(verifyPageArtifactContent(artifact).ok, false);
+  assert.equal(filterSendableHtmlArtifacts([artifact]).length, 0);
+});