In headless or noSandbox server environments (like Ubuntu Server), the
Chrome extension relay cannot work because there is no GUI browser to
attach to. Previously, the default profile was 'chrome' (extension relay)
which caused snapshot/screenshot operations to fail with:
'Chrome extension relay is running, but no tab is connected...'
This fix prefers the 'openclaw' profile (Playwright native mode) when
browser.headless=true or browser.noSandbox=true, while preserving the
'chrome' default for GUI environments where extension relay works.
Fixes: https://github.com/openclaw/openclaw/issues/14895🤖 AI-assisted (Claude), fully tested: pnpm build && pnpm check && pnpm test
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