Opens WebTerm to iPhone + iPad: TARGETED_DEVICE_FAMILY 1→1,2 (project + all
targets), iPad gets all four orientations (~ipad key), ios.yml gains an
ipad-tests leg (iPad Pro 11 sim). Built plist verified UIDeviceFamily [1,2];
app launches natively full-screen on iPad Pro 11 sim (no letterbox). Adaptive
layout (NavigationSplitView) lands in T-iPad-2. Plan: docs/PLAN_IOS_IPAD.md.