Launching an app (or opening a tx in mempool from Home/wallet/channels) used
to router.push the app-session page in overlay/fullscreen modes, swapping the
page underneath — confusing and lossy. All display modes are now store-driven:
panel renders beside the page, overlay/fullscreen render above it (teleported
to body), and the route never changes. Deep-link paths (/tx/<hash>) ride along
via the launcher's panelPath instead of a route query; closing always returns
exactly where the user was. The app-session route stays for direct links.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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