test(sw): shared Playwright runtime resolver

packages/sw/tests/detail-buttons.browser.mjs

@@ -1,10 +1,10 @@
 // Historical since 2026-10-19: opens SW Story IDs retired by the unused demo removal (composition, colorize, layer-detail-input; preservation/verify modes). Kept as evidence
 // for its recorded run; current regression: storybook-unused-removal.browser.mjs.
-import { createRequire } from 'node:module'
 import { mkdir, readFile, writeFile } from 'node:fs/promises'
 import path from 'node:path'
 import http from 'node:http'
 import { swStoryEntries, retainedInventory, retiredPropertyPanelIds } from './storybook-inventory.mjs'
+import { loadPlaywright } from './playwright-runtime.mjs'
 
 // Usage: node packages/sw/tests/detail-buttons.browser.mjs baseline|verify <evidence-dir> [base-url]
 const mode = process.argv[2] ?? 'verify'
@@ -16,7 +16,7 @@ if (base === 'static') {
   server=http.createServer(async(req,res)=>{try{const p=new URL(req.url,'http://localhost').pathname,file=path.resolve(root,'.'+decodeURIComponent(p==='/'?'/index.html':p));if(path.relative(root,file).startsWith('..'))return res.writeHead(403).end();res.setHeader('Content-Type',mime[path.extname(file)]??'application/octet-stream');res.end(await readFile(file))}catch{res.writeHead(404).end()}})
   await new Promise(resolve=>server.listen(0,'127.0.0.1',resolve));base=`http://127.0.0.1:${server.address().port}`
 }
-const { chromium } = createRequire(import.meta.url)(process.env.SW_PLAYWRIGHT_PATH ?? 'C:/Users/user/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/node_modules/playwright')
+const { chromium } = loadPlaywright()
 await mkdir(output, { recursive: true })
 const browser = await chromium.launch({ headless: true, executablePath: process.env.SW_CHROME_PATH ?? 'C:/Program Files/Google/Chrome/Application/chrome.exe' })
 const page = await browser.newPage({ viewport: { width: 1920, height: 1000 } })