fix: 修复无附件文章无法标记已读的问题

- 发现标记已读的正确 API: /tools/submit_ajax.ashx?action=saveread
- 添加 mark_article_read 方法调用 saveread API 标记文章已读
- 修改 get_article_attachments 返回文章的 channel_id 和 article_id
- 对每篇文章都调用 mark_article_read，无论是否有附件
- 解决米米88、黄紫夏99等账号文章无法标记已读的问题

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api_browser.py

@@ -351,7 +351,14 @@ class APIBrowser:
         return articles, total_pages, next_page_url
 
     def get_article_attachments(self, article_href: str):
-        """获取文章的附件列表"""
+        """
+        获取文章的附件列表和文章信息
+
+        Returns:
+            tuple: (attachments_list, article_info)
+            - attachments_list: 附件列表
+            - article_info: 包含 channel_id 和 article_id 的字典，用于标记文章已读
+        """
         if not article_href.startswith('http'):
             url = f"{BASE_URL}/admin/{article_href}"
         else:
@@ -361,6 +368,16 @@ class APIBrowser:
         soup = BeautifulSoup(resp.text, 'html.parser')
 
         attachments = []
+        article_info = {'channel_id': None, 'article_id': None}
+
+        # 从 saveread 按钮获取 channel_id 和 article_id
+        for elem in soup.find_all(['button', 'input']):
+            onclick = elem.get('onclick', '')
+            match = re.search(r'saveread\((\d+),(\d+)\)', onclick)
+            if match:
+                article_info['channel_id'] = match.group(1)
+                article_info['article_id'] = match.group(2)
+                break
 
         attach_list = soup.find('div', {'class': 'attach-list2'})
         if attach_list:
@@ -383,10 +400,31 @@ class APIBrowser:
                         })
                         break
 
-        return attachments
+        return attachments, article_info
+
+    def mark_article_read(self, channel_id: str, article_id: str) -> bool:
+        """通过 saveread API 标记文章已读"""
+        if not channel_id or not article_id:
+            return False
+
+        import random
+        saveread_url = f"{BASE_URL}/tools/submit_ajax.ashx?action=saveread&time={random.random()}&fl={channel_id}&id={article_id}"
+
+        try:
+            resp = self._request_with_retry("post", saveread_url)
+            # 检查响应是否成功
+            if resp.status_code == 200:
+                try:
+                    data = resp.json()
+                    return data.get('status') == 1
+                except:
+                    return True  # 如果不是 JSON 但状态码 200，也认为成功
+            return False
+        except:
+            return False
 
     def mark_read(self, attach_id: str, channel_id: str = '1') -> bool:
-        """通过访问预览通道标记已读"""
+        """通过访问预览通道标记附件已读"""
         download_url = f"{BASE_URL}/tools/download2.ashx?site=main&id={attach_id}&channel_id={channel_id}"
 
         try:
@@ -499,9 +537,9 @@ class APIBrowser:
                     new_articles_in_page += 1
                     title = article['title'][:30]
 
-                    # 获取附件（文章详情页）
+                    # 获取附件和文章信息（文章详情页）
                     try:
-                        attachments = self.get_article_attachments(article_href)
+                        attachments, article_info = self.get_article_attachments(article_href)
                         consecutive_failures = 0
                     except Exception as e:
                         skipped_items += 1
@@ -516,12 +554,25 @@ class APIBrowser:
                     total_items += 1
                     report_progress()
 
+                    # 标记文章已读（调用 saveread API）
+                    article_marked = False
+                    if article_info.get('channel_id') and article_info.get('article_id'):
+                        article_marked = self.mark_article_read(
+                            article_info['channel_id'],
+                            article_info['article_id']
+                        )
+
+                    # 处理附件（如果有）
                     if attachments:
                         for attach in attachments:
                             if self.mark_read(attach['id'], attach['channel_id']):
                                 total_attachments += 1
 
                         self.log(f"[API] [{total_items}] {title} - {len(attachments)}个附件")
+                    else:
+                        # 没有附件的文章，只记录标记状态
+                        status = "已标记" if article_marked else "标记失败"
+                        self.log(f"[API] [{total_items}] {title} - 无附件({status})")
 
                     time.sleep(0.1)