Yep. AI rewrote the whole thing.

Downterm/CommandNotch/Models/WorkspaceStore.swift

@@ -0,0 +1,59 @@
+import Foundation
+
+protocol WorkspaceStoreType {
+    func loadWorkspaceSummaries() -> [WorkspaceSummary]
+    func saveWorkspaceSummaries(_ summaries: [WorkspaceSummary])
+}
+
+protocol ScreenAssignmentStoreType {
+    func loadScreenAssignments() -> [ScreenID: WorkspaceID]
+    func saveScreenAssignments(_ assignments: [ScreenID: WorkspaceID])
+}
+
+struct UserDefaultsWorkspaceStore: WorkspaceStoreType {
+    private let defaults: UserDefaults
+    private let encoder = JSONEncoder()
+    private let decoder = JSONDecoder()
+
+    init(defaults: UserDefaults = .standard) {
+        self.defaults = defaults
+    }
+
+    func loadWorkspaceSummaries() -> [WorkspaceSummary] {
+        guard let data = defaults.data(forKey: NotchSettings.Keys.workspaceSummaries),
+              let summaries = try? decoder.decode([WorkspaceSummary].self, from: data) else {
+            return []
+        }
+
+        return summaries
+    }
+
+    func saveWorkspaceSummaries(_ summaries: [WorkspaceSummary]) {
+        guard let data = try? encoder.encode(summaries) else { return }
+        defaults.set(data, forKey: NotchSettings.Keys.workspaceSummaries)
+    }
+}
+
+struct UserDefaultsScreenAssignmentStore: ScreenAssignmentStoreType {
+    private let defaults: UserDefaults
+    private let encoder = JSONEncoder()
+    private let decoder = JSONDecoder()
+
+    init(defaults: UserDefaults = .standard) {
+        self.defaults = defaults
+    }
+
+    func loadScreenAssignments() -> [ScreenID: WorkspaceID] {
+        guard let data = defaults.data(forKey: NotchSettings.Keys.screenAssignments),
+              let assignments = try? decoder.decode([ScreenID: WorkspaceID].self, from: data) else {
+            return [:]
+        }
+
+        return assignments
+    }
+
+    func saveScreenAssignments(_ assignments: [ScreenID: WorkspaceID]) {
+        guard let data = try? encoder.encode(assignments) else { return }
+        defaults.set(data, forKey: NotchSettings.Keys.screenAssignments)
+    }
+}