From 75a9eb383c28dc018613ec85d26366d58bd0b580 Mon Sep 17 00:00:00 2001
From: Chummy <chumyin0912@gmail.com>
Date: Wed, 18 Feb 2026 16:53:16 +0800
Subject: [PATCH] test(security): enforce lowercase token hex assertion

---
 src/security/pairing.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/security/pairing.rs b/src/security/pairing.rs
index a9c4a37..e4030d5 100644
--- a/src/security/pairing.rs
+++ b/src/security/pairing.rs
@@ -424,7 +424,9 @@ mod tests {
 
         assert_eq!(payload.len(), 64, "Token payload should be 32 bytes in hex");
         assert!(
-            payload.chars().all(|c| c.is_ascii_hexdigit()),
+            payload
+                .chars()
+                .all(|c| c.is_ascii_digit() || matches!(c, 'a'..='f')),
             "Token payload should be lowercase hex"
         );
     }