Scaffold loopback daemon client split

internal/app/client_view.go

@@ -0,0 +1,39 @@
+package app
+
+// ClientView is the per-client UI cursor over daemon-owned project/process
+// state. In loopback mode there is one view, owned by uiState; future network
+// clients will each get their own copy.
+type ClientView struct {
+	ID            string
+	ProjectKey    string
+	FocusedID     string
+	FocusedPad    string
+	ActiveAgentID string
+	PadOffset     int
+	PadOffsetName string
+	Cols          uint16
+	Rows          uint16
+}
+
+func (v *ClientView) FocusChild(id string) {
+	v.FocusedID = id
+	v.FocusedPad = ""
+}
+
+func (v *ClientView) FocusPad(name string) {
+	v.FocusedID = ""
+	v.FocusedPad = name
+	if v.PadOffsetName != name {
+		v.PadOffset = 0
+		v.PadOffsetName = name
+	}
+}
+
+func (v *ClientView) ClearPadFocus() {
+	v.FocusedPad = ""
+}
+
+func (v *ClientView) Resize(cols, rows uint16) {
+	v.Cols = cols
+	v.Rows = rows
+}