fix(html): remove malformed <a href= src=> tags from AI text

ai_patch.py

@@ -66,11 +66,13 @@ def _postprocess_ai_text(text, max_units=20):
     text = _clean(text)
     if not text:
         return text
-    # Remove any remaining HTML artifacts like <a href='...'>, <img src=...> even if partially corrupted
+    # Remove malformed HTML with both href and src attributes (e.g., <a href="..." src="...">)
+    text = re.sub(r'<a[^>]*href\s*=\s*"[^"]*"[^>]*\s*src\s*=\s*"[^"]*"[^>]*>', '', text, flags=re.I)
+    # Remove any remaining HTML artifacts like <a href='...'>, <img src=...>, <a ...>
     text = re.sub(r'<a\s+[^>]*>', '', text, flags=re.I)
     text = re.sub(r'<img\s+[^>]*>', '', text, flags=re.I)
-    text = re.sub(r'</a>', '', text, flags=re.I)
     text = re.sub(r'<[^>]+>', '', text)  # Any remaining HTML tags
+    text = re.sub(r'</a>', '', text, flags=re.I)
     drop_prefixes = (
         "dưới đây", "sau đây", "bài viết", "tôi sẽ", "mình sẽ",
         "tóm tắt bài", "tiêu đề:", "sapo:", "nội dung:", "kết luận:"