feat(office): users admin UI, table rendering, and user save fixes

Add Users list/detail with ACL toggles and library people update/status APIs.
Fix project table layout and ANSI-safe cell rendering, and decode array
responses from people/status so saves no longer fail on JSON unmarshal.

Co-authored-by: Cursor <cursoragent@cursor.com>

cmd/office/ui/scroll_menu_test.go

@@ -0,0 +1,48 @@
+package ui
+
+import (
+	"testing"
+
+	"github.com/eslider/go-onlyoffice/cmd/office/model"
+)
+
+func TestScrollFocusedPaneMenuUpDownMovesTree(t *testing.T) {
+	m := NewModel(nil)
+	m.focus = model.FocusMenu
+	m.syncMenuContent()
+	before := m.nav.Cursor()
+
+	if m.scrollFocusedPane("down") {
+		t.Fatal("down should not be consumed by menu viewport scroll")
+	}
+	m.moveDown()
+	m.syncFocusedPane()
+	if m.nav.Cursor() != before+1 {
+		t.Fatalf("cursor=%d want %d", m.nav.Cursor(), before+1)
+	}
+}
+
+func TestScrollFocusedPaneMenuPageKeysScrollViewport(t *testing.T) {
+	m := NewModel(nil)
+	m.focus = model.FocusMenu
+	for i := 0; i < 40; i++ {
+		m.nav.MoveDown()
+	}
+	m.syncMenuContent()
+	if !m.scrollFocusedPane("pgup") {
+		t.Fatal("pgup should scroll menu viewport")
+	}
+}
+
+func TestHandleMenuHorizontalRightOpensLeaf(t *testing.T) {
+	m := NewModel(nil)
+	m.focus = model.FocusMenu
+	// cursor starts on Projects leaf
+	next, cmd := m.handleMenuHorizontal(1)
+	if cmd == nil {
+		t.Fatal("expected load list command")
+	}
+	if next.listSpec.Subject != model.SubjectProjects {
+		t.Fatalf("expected projects list, got %+v", next.listSpec)
+	}
+}