Record Omni floor-event screening results

docs/easycom_opportunity_event_evaluation.md

@@ -67,3 +67,12 @@ or post-outcome. These are provisional LLM-assisted labels, not human-reviewed
 confirmatory results. Dense, raw-boundary, and opportunity metrics and their
 Figure 7 interpretation are frozen together in the
 [`2026-09-16 result record`](../results/easycom_egospeak_three_level_eval_2026-09-16/README.md).
+
+The expanded Omni screen finds no opportunity-ranking gain from the current
+F1 Frame-set Attention model: its three-seed ENTRY/INT AP is
+41.561%/22.991%, below the historical pooled-V seed-0 values
+46.022%/24.266%. Because F1 and that pooled run use different train/dev model-
+selection protocols, this is a stable negative screen rather than a matched
+confirmatory comparison. Dense, boundary, per-seed, and provenance details are
+in the
+[`Omni floor screening record`](../results/easycom_omni_floor_screen_2026-09-16/README.md).

docs/omni_speaker_floor_experiment_plan_2026-08-30.md

@@ -168,6 +168,13 @@ forecasting 的定性解释，不能代替 boundary 或 semantic opportunity 评
 曲线和限制见
 [`three-level baseline record`](../results/easycom_egospeak_three_level_eval_2026-09-16/README.md)。
 
+当前 F1 current-frame person-set screen 的三种子结果同样没有支持 semantic floor
+selectivity：ENTRY/INT opportunity AP 为 `41.561 +/- 0.581` / `22.991 +/- 0.202`，
+低于历史 pooled-V seed-0 的 `46.022/24.266`；dense mean mAP 也为
+`64.951 +/- 0.095`，没有超过历史 pooled-V 的 `65.400`。由于两者 train/dev
+选择协议不同，这只能判为稳定的负向 screening，正式归因前必须补同协议三种子 pooled
+control。详见 [`Omni floor screening record`](../results/easycom_omni_floor_screen_2026-09-16/README.md)。
+
 ### P3：第一优先方法——匿名逐人时序旁路
 
 先做易解释、能在 8×L20 上完成的旁路，而不是直接修改整个 Thinker。