import os, sqlite3, datetime
BASE = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
DB = os.path.join(BASE, "db", "research.db")
NOTE = "该员工自助培训页为嵌入式LMS，持续加载无法稳定截图，已跳过。"
conn = sqlite3.connect(DB)
now = datetime.datetime.now().isoformat(timespec="seconds")
cur = conn.execute(
    "UPDATE features SET note=?, updated_at=? WHERE screenshot_path LIKE ?",
    (NOTE, now, "%09_我的培训%"))
conn.commit()
print("rows updated:", cur.rowcount)
conn.close()