Attach to external browsers without implicit default-context overrides, and own temporary focus only on the selected page. Preserve unrelated page media and exact page inventory through CLI/MCP. Remove bootstrap-page retries; retain late/failed cleanup ownership and verified SDK notices.
Assisted-by: Kogasa (gensokyo-skills:kogasa-surprise-testing)
Co-authored-by: gensokyo-dev <342580529+gensokyo-dev@users.noreply.github.com>