From 8257349b5872d98052155e1f4fe5a79f2b4e8f26 Mon Sep 17 00:00:00 2001
From: Zen Dodd <mail@steadytao.com>
Date: Mon, 31 Aug 2026 02:26:18 +1000
Subject: [PATCH] chore: preserve canonical header keys (#7964)

---
 .golangci.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.golangci.yml b/.golangci.yml
index 40f017b6c..d3f3f85ac 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -48,6 +48,13 @@ linters:
     - whitespace
     - zerologlint
   settings:
+    canonicalheader:
+      # Match net/http's canonical MIME map keys to avoid re-canonicalisation.
+      exclusions:
+        - Etag
+        - Sec-Websocket-Key
+        - Te
+        - Www-Authenticate
     staticcheck:
       checks: ["all", "-ST1000", "-ST1003", "-ST1016", "-ST1020", "-ST1021", "-ST1022",  "-QF1006", "-QF1008"] # default, and exclude 1 more undesired check
     errcheck: