From 4ec3fa2bbb30b0df6c4f1af519c3c34db6dc8e88 Mon Sep 17 00:00:00 2001
From: Mohammad Abdul Sahil <127765312+abdulsaheel@users.noreply.github.com>
Date: Sat, 10 Oct 2026 00:37:26 +0530
Subject: [PATCH 1/2] docs(readme): strain is scored against the user's own
 quiet waking level

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index a31520b..dad4422 100644
--- a/README.md
+++ b/README.md
@@ -95,7 +95,8 @@ foundation layers:
 - **`clinical/`** (Tier-1) — HRV time/frequency domain (RMSSD/SDNN/pNNx, Lomb-Scargle
   LF/HF), PRSA (deceleration/acceleration capacity), nocturnal RHR/dip, an illness-risk
   CUSUM state machine, Plews ln-RMSSD readiness, Baevsky stress index, Banister/Edwards
-  TRIMP + CTL/ATL/TSB training load, a Poincaré irregular-rhythm screen, cosinor circadian
+  TRIMP + CTL/ATL/TSB training load (strain is scored above the user's own quiet waking
+  heart-rate level, not a fixed population reference), a Poincaré irregular-rhythm screen, cosinor circadian
   fitting, and real-time cardiac coherence for guided breathing sessions.
 - **`sleep/`** — van Hees z-angle segmentation feeding a cardiac/motion stager (the
   single source of truth for sleep staging), AASM hypnogram metrics, cardiopulmonary

From d1cad540840fb3109bfb5a27ca17126347b35078 Mon Sep 17 00:00:00 2001
From: Mohammad Abdul Sahil <127765312+abdulsaheel@users.noreply.github.com>
Date: Sat, 10 Oct 2026 01:27:35 +0530
Subject: [PATCH 2/2] docs(readme): only the day strain subtracts the
 quiet-waking baseline

---
 README.md | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index dad4422..8f028c3 100644
--- a/README.md
+++ b/README.md
@@ -95,9 +95,10 @@ foundation layers:
 - **`clinical/`** (Tier-1) — HRV time/frequency domain (RMSSD/SDNN/pNNx, Lomb-Scargle
   LF/HF), PRSA (deceleration/acceleration capacity), nocturnal RHR/dip, an illness-risk
   CUSUM state machine, Plews ln-RMSSD readiness, Baevsky stress index, Banister/Edwards
-  TRIMP + CTL/ATL/TSB training load (strain is scored above the user's own quiet waking
-  heart-rate level, not a fixed population reference), a Poincaré irregular-rhythm screen, cosinor circadian
-  fitting, and real-time cardiac coherence for guided breathing sessions.
+  TRIMP + CTL/ATL/TSB training load (the 0-21 day strain, `strainScoreMetric`, is scored
+  above the user's own quiet waking heart-rate level rather than a fixed population
+  reference; the 0-100 `trimpStrain` effort score is raw TRIMP with no such subtraction),
+  a Poincaré irregular-rhythm screen, cosinor circadian fitting, and real-time cardiac coherence for guided breathing sessions.
 - **`sleep/`** — van Hees z-angle segmentation feeding a cardiac/motion stager (the
   single source of truth for sleep staging), AASM hypnogram metrics, cardiopulmonary
   coupling, fractal sleep-cycle detection, circadian non-parametric indices