test(mac): cover voice wake helpers

apps/macos/Sources/Clawdis/VoiceWakeHelpers.swift

@@ -0,0 +1,22 @@
+import Foundation
+
+func sanitizeVoiceWakeTriggers(_ words: [String]) -> [String] {
+    let cleaned = words
+        .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
+        .filter { !$0.isEmpty }
+    return cleaned.isEmpty ? defaultVoiceWakeTriggers : cleaned
+}
+
+func normalizeLocaleIdentifier(_ raw: String) -> String {
+    var trimmed = raw
+    if let at = trimmed.firstIndex(of: "@") {
+        trimmed = String(trimmed[..<at])
+    }
+    if let u = trimmed.range(of: "-u-") {
+        trimmed = String(trimmed[..<u.lowerBound])
+    }
+    if let t = trimmed.range(of: "-t-") {
+        trimmed = String(trimmed[..<t.lowerBound])
+    }
+    return trimmed
+}