GIOI HAN GOI Y FACEBOOK (tham khao thuc te 2024-2026)
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Meta KHONG cong bo so limit co dinh hang ngay cho moi hanh dong.
So lieu duoi day la muc AN TOAN thuc te (cong dong + tool), khong phai API chinh thuc.

1) JOIN NHOM
   - Tong so nhom / 1 nick: toi da 6.000 (Meta Help)
   - Join qua nhanh: bao "You've been joining groups too fast" (khoa 24-48h)
   - Nick moi (0-3 thang): 5-10 nhom / ngay
   - Nick on dinh: 10-20 / ngay
   - Muc rui ro cao: 20-30 / ngay
   App:
     IT   = 5 join/ngay
     VUA  = 12 join/ngay
     TOI DA = 20 join/ngay (cap 30)

2) COMMENT / REPLY
   - >100 comment+reply / ngay de bi restricted posting/commenting
   App:
     IT   = 12
     VUA  = 35
     TOI DA = 60 (cap 80)

3) DANG BAI NHOM
   - Post 3+ lan / nhom / ngay de bi han che
   - Cross-post nhieu nhom: delay 1-3 phut
   App:
     IT   = 3 post/ngay
     VUA  = 6
     TOI DA = 12 (cap 20)

4) CHAY AN (HEADLESS)
   - Chrome (Chromium) hoac Firefox headless
   - Khong mo cua so, khong chiem chuot/ban phim
   - Nguoi dung van lam viec khac binh thuong

File dem usage: daily_usage_v9.json (reset theo ngay)
