chore: bump Node.js version to 22 across CI, docs, and package manifest

.gitea/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          node-version: "22"
 
       - name: Install Frontend Dependencies
         run: cd frontend && npm ci

.gitea/workflows/pages-deploy.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
 
       - name: Install dependencies
         run: cd frontend && npm ci

docs/SETUP.md

@@ -5,7 +5,7 @@ This guide covers prerequisites, environment setup, running the application loca
 ## Prerequisites
 
 - **Docker & Docker Compose**: Required for running the full stack (playout, chat, nginx, redis, db, prometheus, grafana). Install from [docker.com](https://www.docker.com).
-- **Node.js 20+**: Required for frontend development and production builds (`cd frontend && npm install && npm run build`).
+- **Node.js 22+**: Required for frontend development and production builds (`cd frontend && npm install && npm run build`).
 - **npm**: Installed with Node.js and used for the frontend dependency installation and Vite workflow.
 - **Go 1.23+**: Recommended when working on the Go services outside Docker (`backend/chat`, `backend/playout`).
 - **FFmpeg**: Used by the playout service for HLS generation. Install via `apt install ffmpeg` (Linux), Homebrew (macOS), or Winget (Windows).

frontend/package.json

@@ -3,6 +3,9 @@
   "private": true,
   "version": "1.0.11",
   "type": "module",
+  "engines": {
+    "node": ">=22.0.0"
+  },
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",