Complete Phase 4: Comprehensive preferences, localization, and UX polish

- Rename application from MenuWhisper to Tell me with new domain com.fmartingr.tellme
- Implement comprehensive preferences window with 6 tabs (General, Models, Text Insertion, Interface, Advanced, Permissions)
- Add full English/Spanish localization for all UI elements
- Create functional onboarding flow with model download capability
- Implement preview dialog for transcription editing
- Add settings export/import functionality
- Fix HUD content display issues and add comprehensive permission checking
- Enhance build scripts and app bundle creation for proper localization support

Tests/CoreAudioTests/AudioEngineTests.swift

@@ -1,5 +1,5 @@
 import XCTest
-@testable import MenuWhisperAudio
+@testable import TellMeAudio
 
 final class AudioEngineTests: XCTestCase {
     func testAudioEngineInitialization() {

Tests/IntegrationTests/Phase2IntegrationTests.swift

@@ -1,7 +1,7 @@
 import XCTest
 @testable import CoreSTT
 @testable import CoreModels
-@testable import MenuWhisperAudio
+@testable import TellMeAudio
 
 /// Integration tests to verify Phase 2 whisper.cpp implementation
 /// These tests validate the architecture without requiring real model files
@@ -132,7 +132,7 @@ final class Phase2IntegrationTests: XCTestCase {
 
         // Test model path generation
         let modelPath = testModel.fileURL
-        XCTAssertTrue(modelPath.absoluteString.contains("MenuWhisper/Models"), "Should use correct models directory")
+        XCTAssertTrue(modelPath.absoluteString.contains("TellMe/Models"), "Should use correct models directory")
         XCTAssertTrue(modelPath.lastPathComponent.hasSuffix(".bin"), "Should generate .bin filename")
 
         // Test estimated RAM info