feat: Add mobile URL support for Bilibili

- Support m.bilibili.com/space/{id} for UP主 accounts
- Handle mobile video URLs when resolving short links

skills/kb-link-parser/link-parser.py

@@ -31,6 +31,7 @@ class LinkParser:
     BILIBILI_VIDEO_SHORT_PATTERN = re.compile(r'https?://b23\.tv/([a-zA-Z0-9]+)')
     BILIBILI_ARTICLE_PATTERN = re.compile(r'https?://(?:www\.)?bilibili\.com/(?:article|read)/([a-zA-Z0-9]+)')
     BILIBILI_SPACE_PATTERN = re.compile(r'https?://(?:space\.)?bilibili\.com/(\d+)')
+    BILIBILI_MOBILE_SPACE_PATTERN = re.compile(r'https?://m\.bilibili\.com/space/(\d+)')
     BILIBILI_FAVLIST_PATTERN = re.compile(r'https?://(?:space\.)?bilibili\.com/\d+/favlist\?fid=(\d+)')
     BILIBILI_OPUS_PATTERN = re.compile(r'https?://(?:www\.)?bilibili\.com/opus/(\d+)')
     BILIBILI_SERIES_PATTERN = re.compile(r'https?://(?:space\.)?bilibili\.com/\d+/lists/(\d+)\?type=series')
@@ -148,6 +149,15 @@ class LinkParser:
                 "id": match.group(1)
             }
 
+        # Try mobile space (移动端UP主空间)
+        match = self.BILIBILI_MOBILE_SPACE_PATTERN.match(url)
+        if match:
+            return {
+                "platform": "bilibili",
+                "type": "up主",
+                "id": match.group(1)
+            }
+
         return None
 
     def extract_youtube_id(self, url: str) -> Optional[Dict[str, str]]: