From 819aa522f5abb594add3acf7a96083dcae890b57 Mon Sep 17 00:00:00 2001
From: HiranoMasaaki <lambda.groove@gmail.com>
Date: Sun, 15 Feb 2026 09:53:20 +0000
Subject: [PATCH] docs: enforce English language policy for all artifacts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 CLAUDE.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CLAUDE.md b/CLAUDE.md
index f22f44af..ceec0656 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -29,6 +29,10 @@ pnpm format-and-lint # Lint and format
 - Use `zod` for runtime validation schemas
 - Prefer explicit imports over barrel re-exports
 
+## Language
+
+- All artifacts must be written in English: code, comments, commit messages, issues, PRs, documentation, and changelogs
+
 ## GitHub Operations
 
 - PRs require passing CI: typecheck, test, build, lint, changeset check