Replace the Expo DOM-backed terminal on iOS and Android with a managed
WebView running xterm.js. Web and desktop continue to use the existing
DOM implementation.
Mobile mounted tabs switch from display:none to opacity:0 for the hidden
slot on purpose: terminals stay mounted under the LRU tab cache, and
keeping the WebView in the layer tree avoids cold-starting it every time
the user returns to a terminal tab.
EAS native builds rebuild the WebView bundle post-install so the
generated HTML stays in sync with the entry source.
This does not fix the WS 1006 / NSPOSIXErrorDomain Code=54 host-disconnect
symptom that prompted the investigation. After restoring the baseline,
that symptom could not be replicated; do not read this commit as its
root cause or fix.
Mohamed Boudra