Scaffold the Xcode project — XcodeGen, Swift 6, sandboxed

XcodeGen project (codename Kanban, display name Lanework, bundle id
dev.rzen.indie.Kanban): macOS 26+ app target with Swift 6 strict
concurrency, app sandbox with user-selected file access and app-scoped
bookmark entitlements, plus unit-test (Swift Testing) and XCUITest
targets wired into the Kanban scheme.

Claude-Session: https://claude.ai/code/session_018BjQRYBR6jQja3jCRi5S3A

KanbanUITests/KanbanUITests.swift

@@ -0,0 +1,11 @@
+import XCTest
+
+final class KanbanUITests: XCTestCase {
+    @MainActor
+    func testAppLaunches() throws {
+        let app = XCUIApplication()
+        app.launch()
+        XCTAssertTrue(app.wait(for: .runningForeground, timeout: 30))
+        XCTAssertTrue(app.windows.firstMatch.waitForExistence(timeout: 30))
+    }
+}