修复消息渲染并更新发布包

scripts/regression.js

@@ -1613,6 +1613,91 @@ function assertFrontendMarkdownLinkContract() {
   assert(styleSource.includes('.msg-bubble a.local-file-link'), 'Local file links should have a distinct message style');
 }
 
+function assertMarkdownRenderingContract() {
+  const source = fs.readFileSync(PUBLIC_APP_PATH, 'utf8');
+  const indexSource = fs.readFileSync(PUBLIC_INDEX_PATH, 'utf8');
+  const normalizeMarkdownText = require(path.join(PUBLIC_DIR, 'markdown-normalizer.js'));
+  const { createCodexAppRuntime } = require(path.join(REPO_DIR, 'lib', 'codex-app-runtime'));
+  const assistantRendererStart = source.indexOf('function renderAssistantContent');
+  const assistantRendererEnd = source.indexOf('function createAssistantImageElement', assistantRendererStart);
+  const assistantRenderer = assistantRendererStart >= 0 && assistantRendererEnd > assistantRendererStart
+    ? source.slice(assistantRendererStart, assistantRendererEnd)
+    : '';
+
+  const indentedChineseText = '        目前代码里 `PlanList` 的运行时和前端渲染逻辑仍然存在，问题更像是事件没有被识别。';
+  assert(
+    normalizeMarkdownText(indentedChineseText).startsWith('目前代码里'),
+    'Clearly indented Chinese prose should be normalized before Markdown parsing'
+  );
+  assert(
+    normalizeMarkdownText('    这是一段普通说明。\n\n    这是下一段普通说明。') === '这是一段普通说明。\n\n这是下一段普通说明。',
+    'Multi-paragraph prose indentation should be removed independently'
+  );
+  assert(normalizeMarkdownText('\t这是一段普通说明。') === '这是一段普通说明。', 'Tab-indented prose should also be normalized');
+  const fencedCode = '说明文字。\n\n```js\n    const value = 1;\n```';
+  assert(normalizeMarkdownText(fencedCode) === fencedCode, 'Explicit fenced code blocks should remain byte-for-byte unchanged');
+  const indentedCode = '    const value = 1;\n    console.log(value);';
+  assert(normalizeMarkdownText(indentedCode) === indentedCode, 'Indented source code should retain its indentation');
+  const whitespaceOnly = '结论一。\n   \n结论二。';
+  assert(normalizeMarkdownText(whitespaceOnly) === whitespaceOnly, 'Whitespace-only lines should never be treated as prose indentation');
+  assert(
+    assistantRenderer.includes("block.type === 'todo_list'") && assistantRenderer.includes('createTodoListElement(block)'),
+    'Structured todo_list blocks should continue to render through the PlanList card path'
+  );
+  assert(
+    indexSource.includes('markdown-normalizer.js')
+      && source.includes('typeof window.ccNormalizeMarkdownText === \'function\'')
+      && source.includes('return marked.parse(normalizedText)'),
+    'Assistant Markdown rendering should load and apply the shared text normalizer'
+  );
+
+  const streamed = [];
+  const runtime = createCodexAppRuntime({
+    wsSend: (_ws, payload) => streamed.push(payload),
+    loadSession: () => null,
+    saveSession: () => {},
+  });
+  const entry = { ws: {}, toolCalls: [], fullText: '' };
+  runtime.processCodexAppNotification(entry, {
+    method: 'item/agentMessage/delta',
+    params: { itemId: 'msg-first', delta: '先给出的结论。' },
+  }, 'markdown-session');
+  runtime.processCodexAppNotification(entry, {
+    method: 'item/completed',
+    params: { item: { id: 'msg-first', type: 'agentMessage', text: '先给出的结论。' } },
+  }, 'markdown-session');
+  ['rs-noise-1', 'rs-noise-2', 'rs-noise-3'].forEach((itemId) => {
+    runtime.processCodexAppNotification(entry, {
+      method: 'item/agentMessage/delta',
+      params: { itemId, delta: ' ' },
+    }, 'markdown-session');
+    runtime.processCodexAppNotification(entry, {
+      method: 'item/completed',
+      params: { item: { id: itemId, type: 'agentMessage', text: ' ' } },
+    }, 'markdown-session');
+  });
+  runtime.processCodexAppNotification(entry, {
+    method: 'item/agentMessage/delta',
+    params: { itemId: 'msg-second', delta: '普通正文不应带缩进。' },
+  }, 'markdown-session');
+  const lastLine = entry.fullText.split('\n').filter((line) => line.trim()).pop() || '';
+  assert(lastLine === '普通正文不应带缩进。', 'Whitespace-only agent message chunks must not indent the following message text');
+  assert(entry.fullText.startsWith('先给出的结论。'), 'Whitespace-only chunks must not create leading whitespace on the first message');
+  assert(
+    !streamed.some((payload) => payload.type === 'text_delta' && !payload.text.trim()),
+    'Whitespace-only chunks must not be streamed to the transcript'
+  );
+  runtime.processCodexAppNotification(entry, {
+    method: 'item/agentMessage/delta',
+    params: { itemId: 'msg-code', delta: '    ' },
+  }, 'markdown-session');
+  runtime.processCodexAppNotification(entry, {
+    method: 'item/agentMessage/delta',
+    params: { itemId: 'msg-code', delta: 'const value = 1;' },
+  }, 'markdown-session');
+  assert(entry.fullText.includes('    const value = 1;'), 'Leading indentation should be retained when later chunks complete the same code message');
+}
+
 function assertFrontendMcpReloadContract() {
   const source = fs.readFileSync(PUBLIC_APP_PATH, 'utf8');
   assert(source.includes('function mcpStartupStatusToastText(status)'), 'Frontend should format MCP startup status toast text');
@@ -7162,6 +7247,12 @@ async function main() {
       console.log('Plan List progress regression checks passed.');
       return;
     }
+    if (regressionTarget === 'markdown-rendering') {
+      assertMarkdownRenderingContract();
+      assertPlanListProgressContract();
+      console.log('Markdown rendering regression checks passed.');
+      return;
+    }
     if (regressionTarget === 'runtime-image-send') {
       await runRuntimeImageSendTarget();
       console.log('Runtime image send regression checks passed.');
@@ -7300,6 +7391,7 @@ async function main() {
   assertComposerSlashRoutingContract();
   assertFrontendCcwebPromptContract();
   assertFrontendMarkdownLinkContract();
+  assertMarkdownRenderingContract();
   assertMockCodexAppPromptUserNotTextTriggered();
   assertFrontendMcpReloadContract();
   assertCcwebMcpRecoveryContract();