maintainer: align Node engine documentation

Author: lukisch

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+
+### Fixed
+- Reconciled the public Node.js requirements in both READMEs and `llms.txt` with the package engine and CI floor: Node.js >= 20.
+
 ## [1.3.18] - 2026-07-29
 
 ### Documentation & Discoverability

README.md

@@ -11,7 +11,7 @@
 [![npm version](https://img.shields.io/npm/v/ellmos-codecommander-mcp.svg)](https://www.npmjs.com/package/ellmos-codecommander-mcp)
 [![CodeCommander tests](https://github.com/ellmos-ai/ellmos-codecommander-mcp/actions/workflows/tests.yml/badge.svg)](https://github.com/ellmos-ai/ellmos-codecommander-mcp/actions/workflows/tests.yml)
 [![Vitest](https://img.shields.io/badge/Vitest-175%20passed-brightgreen.svg)](https://vitest.dev/)
-[![Node.js](https://img.shields.io/badge/node-%3E%3D18-brightgreen.svg)](https://nodejs.org/)
+[![Node.js](https://img.shields.io/badge/node-%3E%3D20-brightgreen.svg)](https://nodejs.org/)
 [![LLM Indexing](https://img.shields.io/badge/LLM--Ready-llms.txt-blue.svg)](llms.txt)
 
 > [!NOTE]
@@ -103,7 +103,7 @@ While FileCommander handles filesystem operations, CodeCommander focuses on **co
 
 ### Prerequisites
 
-- [Node.js](https://nodejs.org/) 18 or higher
+- [Node.js](https://nodejs.org/) 20 or higher
 
 ### Option 1: Install from NPM
 

README_de.md

@@ -12,7 +12,7 @@
 [![npm version](https://img.shields.io/npm/v/ellmos-codecommander-mcp.svg)](https://www.npmjs.com/package/ellmos-codecommander-mcp)
 [![CodeCommander tests](https://github.com/ellmos-ai/ellmos-codecommander-mcp/actions/workflows/tests.yml/badge.svg)](https://github.com/ellmos-ai/ellmos-codecommander-mcp/actions/workflows/tests.yml)
 [![Vitest](https://img.shields.io/badge/Vitest-175%20passed-brightgreen.svg)](https://vitest.dev/)
-[![Node.js](https://img.shields.io/badge/node-%3E%3D18-brightgreen.svg)](https://nodejs.org/)
+[![Node.js](https://img.shields.io/badge/node-%3E%3D20-brightgreen.svg)](https://nodejs.org/)
 [![LLM Indexing](https://img.shields.io/badge/LLM--Ready-llms.txt-blue.svg)](llms.txt)
 
 > [!NOTE]
@@ -104,7 +104,7 @@ Während FileCommander Dateisystem-Operationen übernimmt, konzentriert sich Cod
 
 ### Voraussetzungen
 
-- [Node.js](https://nodejs.org/) 18 oder höher
+- [Node.js](https://nodejs.org/) 20 oder höher
 
 ### Option 1: Installation über NPM
 

llms.txt

@@ -4,7 +4,7 @@
 
 Core capabilities: Python AST-based class/method extraction with complexity metrics, BACH-derived method guardrails, import analysis, runtime import diagnostics in isolated Python subprocesses, structural Python edits with preview/test/apply modes, optional inline class/helper blocks for LLM context packaging, BACH-derived indentation diagnostics and Python code generation templates, JSON repair (trailing commas, single quotes, BOM, comments), PEP 8 import sorting and deduplication, Mojibake/double-encoded UTF-8 repair (27+ patterns), German umlaut repair (70+ patterns), format conversion across JSON / CSV / INI / YAML / TOML / XML / TOON, unified diff output (LCS algorithm), regex tester with match details and replace preview, Markdown-to-HTML/PDF export with code blocks, tables, nested lists, and blockquotes. Cross-platform: Windows, macOS, Linux.
 
-Node.js >= 18, MIT. Published as `ellmos-codecommander-mcp` on npm. Visible on Glama at `https://glama.ai/mcp/servers/b9kjs4uaav`. MCP Registry metadata is provided in `server.json` for the namespace `io.github.ellmos-ai/ellmos-codecommander-mcp`.
+Node.js >= 20, MIT. Published as `ellmos-codecommander-mcp` on npm. Visible on Glama at `https://glama.ai/mcp/servers/b9kjs4uaav`. MCP Registry metadata is provided in `server.json` for the namespace `io.github.ellmos-ai/ellmos-codecommander-mcp`.
 
 ## Docs