refactor: split utilities

apps/macos/Sources/Clawdis/ProcessInfo+Clawdis.swift

@@ -0,0 +1,19 @@
+import Foundation
+
+extension ProcessInfo {
+    var isPreview: Bool {
+        self.environment["XCODE_RUNNING_FOR_PREVIEWS"] == "1"
+    }
+
+    var isRunningTests: Bool {
+        // SwiftPM tests load one or more `.xctest` bundles. With Swift Testing, `Bundle.main` is not
+        // guaranteed to be the `.xctest` bundle, so check all loaded bundles.
+        if Bundle.allBundles.contains(where: { $0.bundleURL.pathExtension == "xctest" }) { return true }
+        if Bundle.main.bundleURL.pathExtension == "xctest" { return true }
+
+        // Backwards-compatible fallbacks for runners that still set XCTest env vars.
+        return self.environment["XCTestConfigurationFilePath"] != nil
+            || self.environment["XCTestBundlePath"] != nil
+            || self.environment["XCTestSessionIdentifier"] != nil
+    }
+}