From beec9189da2906e64630f9cb9fd8d02e13c7df49 Mon Sep 17 00:00:00 2001
From: wassname <1103714+wassname@users.noreply.github.com>
Date: Fri, 10 Jul 2026 13:20:53 +0800
Subject: [PATCH] U4 step 2 PASS: jsteer VJP == regenerated run-524 vector, cos
 +1.000000 all 21 layers

Co-Authored-By: Claudypoo <288921227+claudypoo@users.noreply.github.com>
---
 artifacts/u4_step2_vjp_parity.txt | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 artifacts/u4_step2_vjp_parity.txt

diff --git a/artifacts/u4_step2_vjp_parity.txt b/artifacts/u4_step2_vjp_parity.txt
new file mode 100644
index 0000000..7fa5af2
--- /dev/null
+++ b/artifacts/u4_step2_vjp_parity.txt
@@ -0,0 +1,28 @@
+U4 step 2: jsteer word_vector_vjp vs regenerated run-524 vector
+model=Qwen/Qwen3-4B prompts=400 words=['authority', 'obey', 'command', 'hierarchy']
+
+  layer    cos(jsteer_vjp, ref524)
+-------  -------------------------
+      7                  +1.000000
+      8                  +1.000000
+      9                  +1.000000
+     10                  +1.000000
+     11                  +1.000000
+     12                  +1.000000
+     13                  +1.000000
+     14                  +1.000000
+     15                  +1.000000
+     16                  +1.000000
+     17                  +1.000000
+     18                  +1.000000
+     19                  +1.000000
+     20                  +1.000000
+     21                  +1.000000
+     22                  +1.000000
+     23                  +1.000000
+     24                  +1.000000
+     25                  +1.000000
+     26                  +1.000000
+     27                  +1.000000
+
+min cos = +1.000000   GATE (>0.999): PASS