fix: update Node requirement to >=20 and sync package-lock #3

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	build:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node-version: [20, 22]

	steps:
	- uses: actions/checkout@v4

	- name: Setup Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	cache: 'npm'

	- name: Install dependencies
	run: npm ci

	- name: Build
	run: npm run build

	- name: Type check
	run: npm run typecheck

	- name: Test
	run: npm test

	# Verify the plugin structure is correct
	verify-plugin:
	runs-on: ubuntu-latest
	needs: build

	steps:
	- uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: 'npm'

	- name: Install dependencies
	run: npm ci

	- name: Build
	run: npm run build

	- name: Verify plugin structure
	run: \|
	echo "Checking plugin structure..."
	test -d dist \|\| (echo "Missing dist directory" && exit 1)
	test -f dist/index.js \|\| (echo "Missing dist/index.js" && exit 1)
	test -f dist/index.d.ts \|\| (echo "Missing dist/index.d.ts" && exit 1)
	test -f dist/plugin.js \|\| (echo "Missing dist/plugin.js" && exit 1)
	test -d .opencode \|\| (echo "Missing .opencode directory" && exit 1)
	test -d .opencode/commands \|\| (echo "Missing .opencode/commands" && exit 1)
	test -d .opencode/skills \|\| (echo "Missing .opencode/skills" && exit 1)
	test -f opencodeBrain-banner.png \|\| (echo "Missing banner image" && exit 1)
	echo "Plugin structure verified!"

Provide feedback