From 660ab20dee03e1417f5737948cc416eac82be140 Mon Sep 17 00:00:00 2001
From: SASAGAWA Kiyoshi <sasapiyo@love-rox.cc>
Date: Wed, 14 Oct 2026 08:52:49 +0900
Subject: [PATCH] chore: bump devcontainer Node.js from 20 to 24 (refs #280)

Node.js 20 reached end-of-life on 2026-04-30. Node is only used in the
devcontainer to install the Claude Code CLI via npm.

Claude-Session: https://claude.ai/code/session_01Y29fBeRP344FME6de48wUv
---
 .claude/rules/devcontainer.md   | 2 +-
 .devcontainer/devcontainer.json | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.claude/rules/devcontainer.md b/.claude/rules/devcontainer.md
index 4d0332e8..8cb1c829 100644
--- a/.claude/rules/devcontainer.md
+++ b/.claude/rules/devcontainer.md
@@ -21,7 +21,7 @@ This project includes a fully configured DevContainer for VS Code and Cursor.
 ## Pre-installed Tools
 
 - **Bun** - JavaScript runtime and package manager
-- **Node.js 20** - For npm packages requiring Node
+- **Node.js 24** - For npm packages requiring Node
 - **Claude Code CLI** - AI-powered coding assistant
 - **mkcert** - Local HTTPS certificate generation
 
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index e2a05f67..d7fbc1bd 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -32,7 +32,7 @@
   "features": {
     "ghcr.io/shyim/devcontainers-features/bun:0": {},
     "ghcr.io/devcontainers/features/node:1": {
-      "version": "20"
+      "version": "24"
     }
   },
   "containerEnv": {