Terminal modal and agent detail view are now resizable via the native
CSS grip with sizes persisted per-modal in localStorage. Mobile keeps
fullscreen layout (resize disabled, !important overrides any persisted
desktop dimensions).
Both modals previously dismissed when a drag-resize started inside the
modal but released over the overlay — the synthesised click event
targets the common ancestor (overlay), tripping the e.target ===
e.currentTarget dismiss check. Switched to mousedown→mouseup tracking
so dismiss only fires when both events land on the overlay.
Terminal additionally observes its own pixel box via ResizeObserver
and refits xterm on every grip drag — `resize: both` doesn't emit
window resize.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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