diff --git a/PLAN.md b/PLAN.md
index 61d7415..47d7bde 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -99,5 +99,5 @@ Exit: user QA đạt → mặc định native; legacy chỉ fallback.
 - [x] P3 clarity/grain (native denoise/clarity/grain/cinema port: boxBlur padding fix + step gates; cinema gates summer-192→(211,209,201), winter-32→(82,85,88), summer-sat→(217,120,47) khớp node ±0; ramp/step blur gates denoise→130, clarity→131, mist→130/denoise-step→170, mist-step→142 PASS; grain structural OK; full 12MP 4.7-5.1s CPU = vượt D4, quyết GPU ở P6)
 - [x] P4 frames/watermark
 - [x] P5 hook export + flag
-- [ ] P6 parity/perf gate
+- [ ] P6 parity/perf gate — probe chạy xong trên Xiaomi (1fdf765): classic-neg / retro-amber-frame / cinema-summer trên ảnh real 2304x3072; native off-thread 2.7-2.9s (JS ticks 65-70 vẫn chạy) vs legacy GPU 0.36-0.5s (JS-block); diff meanAbs 7.1/13.1/13.3, gt12% 16.8/42.1/42.7, gt32% 0.14/3.7/4.0 (grain procedural + JPEG encoder + tone approx; retro thấp nhất — mist + frame classic). CHỜ user QA ảnh ghép DCIM/parity_*.jpg → flip default native + quyết GPU
 - [ ] P7 dọn + ship