test(sw): shared Playwright runtime resolver

packages/sw/tests/integrated-improvement.browser.mjs

@@ -1,13 +1,12 @@
 // Functional checks of the 2026-10-19 SW integrated improvement on the built Storybook (storybook-static).
 // Usage: node packages/sw/tests/integrated-improvement.browser.mjs <evidence-dir> [section ...]
 // Sections: options, tool, popup (default: all). Screenshots and result JSON go to <evidence-dir>.
-import { createRequire } from 'node:module'
 import { mkdir, readFile, writeFile } from 'node:fs/promises'
 import path from 'node:path'
 import http from 'node:http'
+import { runtimeRequire } from './playwright-runtime.mjs'
 
-const runtime = process.env.SW_RUNTIME_MODULES ?? 'C:/Users/user/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/node_modules'
-const require = createRequire(path.join(runtime, 'index.js'))
+const require = runtimeRequire()
 const out = path.resolve(process.argv[2] ?? 'docs/sw/integrated-improvement-qa/verify')
 // 'tool' opens sw-tool--tool-buttons, retired 2026-10-19 (storybook-inventory retiredToolIds): historical, run it only
 // by name against an old build. The default runs the sections whose Stories exist (2026-10-20).