fix(kb-bilibili): 分离API和下载请求，禁用下载自动解压

skills/kb-bilibili-content/bilibili_content.py

@@ -31,7 +31,6 @@ class BilibiliContent:
         'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
         'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8',
         'Accept-Language': 'zh-CN,zh;q=0.9,en;q=0.8',
-        'Accept-Encoding': 'gzip, deflate, br',
         'Connection': 'keep-alive',
         'Upgrade-Insecure-Requests': '1',
         'Sec-Fetch-Dest': 'document',
@@ -58,10 +57,11 @@ class BilibiliContent:
         result = {"success": False, "bvid": bvid, "message": "", "filepath": None, "metadata": {}}
         
         try:
-            async with aiohttp.ClientSession(headers=self._get_headers()) as session:
+            # API 请求使用自动解压
+            async with aiohttp.ClientSession(headers=self._get_headers()) as api_session:
                 # 获取视频信息
                 print(f"获取视频信息: {bvid}")
-                async with session.get("https://api.bilibili.com/x/web-interface/view", params={'bvid': bvid}) as resp:
+                async with api_session.get("https://api.bilibili.com/x/web-interface/view", params={'bvid': bvid}) as resp:
                     data = await resp.json()
                 
                 if data.get('code') != 0:
@@ -77,7 +77,7 @@ class BilibiliContent:
                 
                 # 获取播放地址
                 print(f"获取视频流...")
-                async with session.get("https://api.bilibili.com/x/player/playurl", 
+                async with api_session.get("https://api.bilibili.com/x/player/playurl", 
                         params={'bvid': bvid, 'cid': cid, 'qn': quality}) as resp:
                     play_data = await resp.json()
                 
@@ -97,7 +97,9 @@ class BilibiliContent:
                 safe_title = "".join(c for c in title if c.isalnum() or c in (' ', '-', '_')).strip()[:30]
                 output_path = self.output_dir / f"{safe_title}_{bvid}.flv"
                 
-                async with session.get(video_url) as resp:
+            # 视频下载使用禁用自动解压的 session
+            async with aiohttp.ClientSession(headers=self._get_headers(), auto_decompress=False) as download_session:
+                async with download_session.get(video_url) as resp:
                     with open(output_path, 'wb') as f:
                         async for chunk in resp.content.iter_chunked(81920):
                             f.write(chunk)