docs: update recommended NodeJS version in docs (#86)

Author: cbnsndwch

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20 AS base
+FROM node:24.13.0 AS base
 
 RUN apt-get update && apt-get install -y \
     git \

docs/development/setup.md

@@ -7,7 +7,7 @@ Guide for setting up a local development environment.
 - [pnpm](https://pnpm.io/installation) - Package manager (required for workspaces)
 - [Bun](https://bun.sh) - Backend runtime
 - [OpenCode TUI](https://opencode.ai) - `npm install -g @opencode/tui`
-- Node.js 18+
+- [Node.js 24+](https://nodejs.org/en/about/previous-releases)
 
 ## Installation
 

docs/getting-started/installation.md

@@ -62,7 +62,7 @@ For contributors who want to develop locally instead of using Docker.
 - [pnpm](https://pnpm.io/installation) - Package manager (required for workspaces)
 - [Bun](https://bun.sh) - Backend runtime
 - [OpenCode TUI](https://opencode.ai) - `npm install -g @opencode/tui`
-- Node.js 18+
+- [Node.js 24+](https://nodejs.org/en/about/previous-releases)
 
 ### Setup
 

docs/index.md

@@ -48,7 +48,7 @@ OpenCode Manager provides a web-based interface for OpenCode AI agents, allowing
 - [pnpm](https://pnpm.io) - Package manager
 - [Bun](https://bun.sh) - Backend runtime
 - [OpenCode TUI](https://opencode.ai) - `npm i -g @opencode/tui`
-- Node.js 18+
+- [Node.js 24+](https://nodejs.org/en/about/previous-releases)
 
 ## Next Steps