stagehand-python@4.4.0a0.dev1660: feat: extension watchdog for lost SDK clients ( 3325)

Browserbase Stagehand releases published stagehand-python@4.4.0a0.dev1660: feat: extension watchdog for lost SDK clients ( 3325). This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: why if the sdk process dies without disconnect() / close() (crash, SIGKILL , dropped connection), nothing tells the browser: a local chrome stagehand launched keeps running, and the extension stays initialized, so reconnecting fails with "A Stagehand instance is already initialized". builds on 3305 & adopts the mechanism from service-watchdog what changed on connect the sdk creates a hidden target on its own cdp connection; chrome destroys it when that connection ends. the extension watches Target.targetDestroyed over its own connection, with no heartbeat or timers on loss: a local browser stagehand launched without keepAlive gets Browser.close ; anything else keeps running, and the extension releases the instance & closes its own connection, so browserbase applies its keepAlive policy and a new client can attach disconnect() detaches (disarms the watchdog) before closing; if the detach…

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