From b8a34fa3388313eb29e1f05be4ccc860662be7b5 Mon Sep 17 00:00:00 2001
From: Mohammad Abdul Sahil <127765312+abdulsaheel@users.noreply.github.com>
Date: Thu, 20 Aug 2026 22:31:37 +0530
Subject: [PATCH] repin analytics for the stager pass
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algo stays 76 — the stager does the same arithmetic in fewer passes and the
real night stages identically.
---
 lib/compute/derivation_engine.dart | 9 ++++++++-
 pubspec.lock                       | 4 ++--
 pubspec.yaml                       | 2 +-
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/compute/derivation_engine.dart b/lib/compute/derivation_engine.dart
index bf5ed297..e193ff37 100644
--- a/lib/compute/derivation_engine.dart
+++ b/lib/compute/derivation_engine.dart
@@ -1310,7 +1310,14 @@ const int kAlgoVersion = 76;
 // produced and no baseline ever held. For a user whose data is valid, every
 // number out of both packages is byte-identical, so a bump would invalidate
 // every stored day to recompute the same answers.
-const String kAnalyticsPin = '3174a493472a5e6280b11a0ab11fec82483507e1';
+//
+// This repin picks up the analytics perf pass, and kAlgoVersion holds at 76 for
+// the same reason: the stager does the same arithmetic in fewer passes. The one
+// place that could have gone wrong was sorting the HR window before `stddev`,
+// which re-orders a float summation — that is computed before the sort now, and
+// the real overnight capture staged identically down to the last digit of
+// confidence.
+const String kAnalyticsPin = 'd9362a66fbeac326d5d7d7b1fe27b28e41169a79';
 const String kProtocolPin = 'c761f29bcbed73886b1b059dcd9e92e4333574f5';
 
 // Fold idempotency, the minimum-nights warm-up, and legacy-payload handling
diff --git a/pubspec.lock b/pubspec.lock
index 9262bb70..33204675 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -924,8 +924,8 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "3174a493472a5e6280b11a0ab11fec82483507e1"
-      resolved-ref: "3174a493472a5e6280b11a0ab11fec82483507e1"
+      ref: d9362a66fbeac326d5d7d7b1fe27b28e41169a79
+      resolved-ref: d9362a66fbeac326d5d7d7b1fe27b28e41169a79
       url: "https://github.com/OpenStrap/analytics.git"
     source: git
     version: "1.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 7d76c67b..60cf34aa 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -198,7 +198,7 @@ dependencies:
       # abstains rather than billing every waking minute as active when the
       # anchors are unusable — which is source-breaking here, not
       # number-changing (see `onehz_pipeline` and `_dailyEnergy`).
-      ref: 3174a493472a5e6280b11a0ab11fec82483507e1
+      ref: d9362a66fbeac326d5d7d7b1fe27b28e41169a79
 
   # BLE — flutter_blue_plus is the maintained cross-platform GATT client.
   flutter_blue_plus: ^1.36.8