fix: parse link (a tag) in post messages

src/feishu/__tests__/merge-forward.test.ts

@@ -85,7 +85,7 @@ describe('formatMergeForwardSubMessage', () => {
   });
 
   it('should return generic placeholder for unknown message types', () => {
-    expect(formatMergeForwardSubMessage('{}', 'share_chat')).toBe('[share_chat消息]');
+    expect(formatMergeForwardSubMessage('{}', 'share_calendar_event')).toBe('[share_calendar_event消息]');
   });
 
   it('should handle malformed JSON gracefully', () => {
@@ -95,4 +95,164 @@ describe('formatMergeForwardSubMessage', () => {
   it('should handle empty content string', () => {
     expect(formatMergeForwardSubMessage('', 'text')).toBe('');
   });
+
+  it('should parse post message with link (a tag)', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'a', text: 'Google', href: 'https://google.com' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('[Google](https://google.com)');
+  });
+
+  it('should parse post message with mixed text and links', () => {
+    const content = JSON.stringify({
+      title: '分享',
+      content: [
+        [
+          { tag: 'text', text: '看看这个链接 ' },
+          { tag: 'a', text: '点击查看', href: 'https://example.com/article' },
+          { tag: 'text', text: ' 很有意思' },
+        ],
+      ],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe(
+      '分享 看看这个链接  [点击查看](https://example.com/article)  很有意思',
+    );
+  });
+
+  it('should parse post with link-only content (no text elements)', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'a', text: '', href: 'https://example.com/page' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('https://example.com/page');
+  });
+
+  it('should parse post with link that has text but no href', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'a', text: 'some text', href: '' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('some text');
+  });
+
+  // --- Post element tags: at, img, media, emotion, code_block, md, hr ---
+
+  it('should parse post with @mention (at tag)', () => {
+    const content = JSON.stringify({
+      content: [[
+        { tag: 'text', text: '请看 ' },
+        { tag: 'at', user_id: 'ou_123', user_name: '张三' },
+        { tag: 'text', text: ' 的方案' },
+      ]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('请看  @张三  的方案');
+  });
+
+  it('should parse post with inline image (img tag)', () => {
+    const content = JSON.stringify({
+      content: [[
+        { tag: 'text', text: '截图如下 ' },
+        { tag: 'img', image_key: 'img_xxx' },
+      ]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('截图如下  [图片]');
+  });
+
+  it('should parse post with media (video) tag', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'media', file_key: 'file_xxx', image_key: 'img_xxx' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('[视频]');
+  });
+
+  it('should parse post with emotion tag', () => {
+    const content = JSON.stringify({
+      content: [[
+        { tag: 'text', text: '好的 ' },
+        { tag: 'emotion', emoji_type: 'THUMBSUP' },
+      ]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('好的  [THUMBSUP]');
+  });
+
+  it('should parse post with emotion tag without emoji_type', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'emotion' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('[表情]');
+  });
+
+  it('should parse post with code_block tag', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'code_block', language: 'typescript', text: 'const x = 1;' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('```typescript\nconst x = 1;```');
+  });
+
+  it('should parse post with code_block tag without language', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'code_block', text: 'echo hello' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('```\necho hello```');
+  });
+
+  it('should parse post with md tag', () => {
+    const content = JSON.stringify({
+      content: [[{ tag: 'md', text: '**bold** and _italic_' }]],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('**bold** and _italic_');
+  });
+
+  it('should parse post with hr tag', () => {
+    const content = JSON.stringify({
+      content: [
+        [{ tag: 'text', text: '上面的内容' }],
+        [{ tag: 'hr' }],
+        [{ tag: 'text', text: '下面的内容' }],
+      ],
+    });
+    expect(formatMergeForwardSubMessage(content, 'post')).toBe('上面的内容 --- 下面的内容');
+  });
+
+  it('should parse post with all element types mixed', () => {
+    const content = JSON.stringify({
+      title: '技术分享',
+      content: [
+        [
+          { tag: 'text', text: '请 ' },
+          { tag: 'at', user_id: 'ou_123', user_name: '李四' },
+          { tag: 'text', text: ' 看看这个 ' },
+          { tag: 'a', text: '链接', href: 'https://example.com' },
+        ],
+        [{ tag: 'img', image_key: 'img_xxx' }],
+        [{ tag: 'emotion', emoji_type: 'SMILE' }],
+      ],
+    });
+    const result = formatMergeForwardSubMessage(content, 'post');
+    expect(result).toContain('技术分享');
+    expect(result).toContain('@李四');
+    expect(result).toContain('[链接](https://example.com)');
+    expect(result).toContain('[图片]');
+    expect(result).toContain('[SMILE]');
+  });
+
+  // --- Message type placeholders ---
+
+  it('should return placeholder for media message type', () => {
+    expect(formatMergeForwardSubMessage('{}', 'media')).toBe('[视频]');
+  });
+
+  it('should return placeholder for interactive (card) message type', () => {
+    expect(formatMergeForwardSubMessage('{}', 'interactive')).toBe('[卡片消息]');
+  });
+
+  it('should return placeholder for share_chat message type', () => {
+    expect(formatMergeForwardSubMessage('{}', 'share_chat')).toBe('[群名片]');
+  });
+
+  it('should return placeholder for share_user message type', () => {
+    expect(formatMergeForwardSubMessage('{}', 'share_user')).toBe('[个人名片]');
+  });
+
+  it('should return placeholder for system message type', () => {
+    expect(formatMergeForwardSubMessage('{}', 'system')).toBe('[系统消息]');
+  });
 });

src/feishu/client.ts

@@ -564,6 +564,28 @@ export class FeishuClient {
               for (const paragraph of (postBody?.content as Array<Array<Record<string, unknown>>>) ?? []) {
                 for (const element of paragraph ?? []) {
                   if (element.tag === 'text') textParts.push((element.text as string) ?? '');
+                  else if (element.tag === 'a') {
+                    const linkText = (element.text as string) ?? '';
+                    const href = (element.href as string) ?? '';
+                    textParts.push(linkText && href ? `[${linkText}](${href})` : href || linkText);
+                  }
+                  else if (element.tag === 'at') {
+                    const atName = (element.user_name as string) ?? '';
+                    if (atName) textParts.push(`@${atName}`);
+                  }
+                  else if (element.tag === 'img') textParts.push('[图片]');
+                  else if (element.tag === 'media') textParts.push('[视频]');
+                  else if (element.tag === 'emotion') {
+                    const emojiType = (element.emoji_type as string) ?? '';
+                    textParts.push(emojiType ? `[${emojiType}]` : '[表情]');
+                  }
+                  else if (element.tag === 'code_block') {
+                    const lang = (element.language as string) ?? '';
+                    const code = (element.text as string) ?? '';
+                    textParts.push(lang ? `\`\`\`${lang}\n${code}\`\`\`` : `\`\`\`\n${code}\`\`\``);
+                  }
+                  else if (element.tag === 'md') textParts.push((element.text as string) ?? '');
+                  else if (element.tag === 'hr') textParts.push('---');
                 }
               }
               content = textParts.join(' ');

src/feishu/event-handler.ts

@@ -2230,11 +2230,27 @@ async function parseMessage(data: MessageEventData): Promise<ParsedMessage | nul
             if (!isBot && atName) {
               textParts.push(`@${atName}`);
             }
+          } else if (element.tag === 'a') {
+            const linkText = (element.text as string) || '';
+            const href = (element.href as string) || '';
+            textParts.push(linkText && href ? `[${linkText}](${href})` : href || linkText);
           } else if (element.tag === 'img') {
             const imageKey = element.image_key as string | undefined;
             if (imageKey) imageKeys.push(imageKey);
+          } else if (element.tag === 'media') {
+            textParts.push('[视频]');
+          } else if (element.tag === 'emotion') {
+            const emojiType = (element.emoji_type as string) || '';
+            textParts.push(emojiType ? `[${emojiType}]` : '[表情]');
+          } else if (element.tag === 'code_block') {
+            const lang = (element.language as string) || '';
+            const code = (element.text as string) || '';
+            textParts.push(lang ? `\`\`\`${lang}\n${code}\`\`\`` : `\`\`\`\n${code}\`\`\``);
+          } else if (element.tag === 'md') {
+            textParts.push((element.text as string) || '');
+          } else if (element.tag === 'hr') {
+            textParts.push('---');
           }
-          // a/emotion 等标签忽略
         }
       }
 

src/feishu/message-parser.ts

@@ -33,6 +33,28 @@ export function formatMergeForwardSubMessage(
       for (const paragraph of (postBody?.content as Array<Array<Record<string, unknown>>>) ?? []) {
         for (const element of paragraph ?? []) {
           if (element.tag === 'text') textParts.push((element.text as string) ?? '');
+          else if (element.tag === 'a') {
+            const linkText = (element.text as string) ?? '';
+            const href = (element.href as string) ?? '';
+            textParts.push(linkText && href ? `[${linkText}](${href})` : href || linkText);
+          }
+          else if (element.tag === 'at') {
+            const atName = (element.user_name as string) ?? '';
+            if (atName) textParts.push(`@${atName}`);
+          }
+          else if (element.tag === 'img') textParts.push('[图片]');
+          else if (element.tag === 'media') textParts.push('[视频]');
+          else if (element.tag === 'emotion') {
+            const emojiType = (element.emoji_type as string) ?? '';
+            textParts.push(emojiType ? `[${emojiType}]` : '[表情]');
+          }
+          else if (element.tag === 'code_block') {
+            const lang = (element.language as string) ?? '';
+            const code = (element.text as string) ?? '';
+            textParts.push(lang ? `\`\`\`${lang}\n${code}\`\`\`` : `\`\`\`\n${code}\`\`\``);
+          }
+          else if (element.tag === 'md') textParts.push((element.text as string) ?? '');
+          else if (element.tag === 'hr') textParts.push('---');
         }
       }
       return textParts.join(' ').trim();
@@ -42,8 +64,13 @@ export function formatMergeForwardSubMessage(
     if (msgType === 'file') return `[文件: ${body.file_name ?? ''}]`;
     if (msgType === 'audio') return '[语音消息]';
     if (msgType === 'video') return '[视频]';
+    if (msgType === 'media') return '[视频]';
     if (msgType === 'sticker') return '[表情]';
+    if (msgType === 'interactive') return '[卡片消息]';
+    if (msgType === 'share_chat') return '[群名片]';
+    if (msgType === 'share_user') return '[个人名片]';
     if (msgType === 'merge_forward') return '[嵌套的合并转发消息]';
+    if (msgType === 'system') return '[系统消息]';
 
     return `[${msgType}消息]`;
   } catch {