v1.4.21

What's Changed

• Cookie store scope, UA handoff, userActivation detection by @Linuxuser67 in #15
• Fix handOff ctx: pass {tabId, incognito} through the chain by @Linuxuser67 in #16
• Chrome cookie-store scoping via getAllCookieStores by @Linuxuser67 in #17
• Incognito passthrough for explicitSend + intercept regression test by @Linuxuser67 in #18
• Detect videos in shadow roots by @Linuxuser67 in #19
• Shadow-root review follow-ups: jsdom tests, merged traversal by @Linuxuser67 in #20

Full Changelog: v1.4.18...v1.4.21