Unified detail views, model

CHDataManagement/Storage/Storage.swift

@@ -435,12 +435,15 @@ final class Storage {
 
     // MARK: Folder access
 
-    func save(folderUrl url: URL, in bookmark: SecurityScopeBookmark) {
+    @discardableResult
+    func save(folderUrl url: URL, in bookmark: SecurityScopeBookmark) -> Bool {
         do {
             let bookmarkData = try url.bookmarkData(options: .withSecurityScope, includingResourceValuesForKeys: nil, relativeTo: nil)
             UserDefaults.standard.set(bookmarkData, forKey: bookmark.rawValue)
+            return true
         } catch {
             print("Failed to create security-scoped bookmark: \(error)")
+            return false
         }
     }