fix(scraper): 过滤type=-2日期分隔线 + 清理DB已有4062条分隔线

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

yunke-server/scripts/cleanup_dividers.py

@@ -0,0 +1,7 @@
+import sqlite3
+con = sqlite3.connect('smoke.db')
+c = con.cursor()
+deleted = c.execute('DELETE FROM message WHERE type_raw = -2').rowcount
+con.commit()
+print(f'Deleted {deleted} divider messages')
+print(f"Remaining wechat: {c.execute(chr(34)+'SELECT COUNT(*) FROM message WHERE channel=' + chr(39) + 'wechat' + chr(39) + chr(34)).fetchone()[0]}")

yunke-server/scripts/scrape_via_page.py

@@ -453,6 +453,9 @@ async def scrape_messages(cookie_str: str, max_conversations: int = 100):
                 for row in rows:
                     if not isinstance(row, dict):
                         continue
+                    # 跳过 type=-2 日期分隔线（非真实消息，仅显示日期）
+                    if str(row.get("type")) == "-2":
+                        continue
                     # Normalize to Message shape
                     ts_raw = row.get("createTime") or row.get("timestamp")
                     try: