Add the ability to "pin" the Logging, History, and Network screens into a
second column on the right of the InspectorView, so a primary screen and a
monitor screen are visible at once (e.g. watch Logs while calling a Tool).
- A "pin as column" button on the Logs/History/Network panel toolbars opens
the column (shown only when wide + connected).
- The column hosts a MonitoringControls tab row (available monitor tabs +
close) over the selected embedded screen. Pinning removes the monitor group
from the header tab bar; closing (x) returns it.
- The divider between the primary area and the column is draggable (pointer +
keyboard); width is clamped and persisted.
- The split collapses to one column below ~1040px (the ServerListScreen
single-card breakpoint) and while disconnected, without discarding the pin
preference — it reopens when wide + connected again.
State (pinned/tab/width) is view-local and persisted via the existing
useLocalStorage pattern, so no new props thread through App and ViewHeader is
unchanged (it just receives a filtered tab list). Screens/panels gain an
`embedded` mode (fills the parent height, drops the 340px filter sidebar) via a
shared EmbeddableScrollArea element.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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