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/table_users.go

@@ -0,0 +1,69 @@
+package ui
+
+import "github.com/eslider/go-onlyoffice/cmd/office/model"
+
+const (
+	userMinEmailWidth = 16
+	userMinFixedWidth = 3
+)
+
+// layoutUserTable shows every user column; email absorbs leftover width.
+func layoutUserTable(cols []model.TableColumn, totalW int) columnLayout {
+	indices := make([]int, len(cols))
+	for i := range cols {
+		indices[i] = i
+	}
+	widths := make(map[int]int, len(cols))
+
+	emailIdx := -1
+	fixed := 0
+	for i, col := range cols {
+		if col.Key == "email" {
+			emailIdx = i
+			continue
+		}
+		widths[i] = col.Width
+		fixed += widths[i]
+	}
+	if emailIdx < 0 {
+		return layoutScrollingTable(cols, 0, totalW)
+	}
+
+	emailW := totalW - fixed
+	if emailW < userMinEmailWidth {
+		shrinkUserFixedColumns(widths, indices, emailIdx, fixed+userMinEmailWidth-totalW)
+		fixed = 0
+		for _, i := range indices {
+			if i != emailIdx {
+				fixed += widths[i]
+			}
+		}
+		emailW = totalW - fixed
+		if emailW < userMinEmailWidth {
+			emailW = userMinEmailWidth
+		}
+	}
+	widths[emailIdx] = emailW
+	normalizeWidthSum(widths, indices, totalW, emailIdx)
+	return columnLayout{indices: indices, widths: widths}
+}
+
+func shrinkUserFixedColumns(widths map[int]int, indices []int, emailIdx, need int) {
+	for need > 0 {
+		changed := false
+		for _, i := range indices {
+			if i == emailIdx || widths[i] <= userMinFixedWidth {
+				continue
+			}
+			widths[i]--
+			need--
+			changed = true
+			if need == 0 {
+				return
+			}
+		}
+		if !changed {
+			return
+		}
+	}
+}