Improve transcription failure error handling.

VoiceInk/Services/LocalTranscriptionService.swift

@@ -16,7 +16,7 @@ class LocalTranscriptionService: TranscriptionService {
     
     func transcribe(audioURL: URL, model: any TranscriptionModel) async throws -> String {
         guard let localModel = model as? LocalModel else {
-            throw WhisperError.couldNotInitializeContext
+            throw WhisperStateError.modelLoadFailed
         }
         
         logger.notice("Initiating local transcription for model: \(localModel.displayName)")
@@ -37,7 +37,7 @@ class LocalTranscriptionService: TranscriptionService {
             
             guard FileManager.default.fileExists(atPath: modelURL.path) else {
                 logger.error("Model file not found at path: \(modelURL.path)")
-                throw WhisperError.couldNotInitializeContext
+                throw WhisperStateError.modelLoadFailed
             }
             
             logger.notice("Loading model: \(localModel.name)")
@@ -45,13 +45,13 @@ class LocalTranscriptionService: TranscriptionService {
                 whisperContext = try await WhisperContext.createContext(path: modelURL.path)
             } catch {
                 logger.error("Failed to load model: \(localModel.name) - \(error.localizedDescription)")
-                throw WhisperError.couldNotInitializeContext
+                throw WhisperStateError.modelLoadFailed
             }
         }
         
         guard let whisperContext = whisperContext else {
             logger.error("Cannot transcribe: Model could not be loaded")
-            throw WhisperError.couldNotInitializeContext
+            throw WhisperStateError.modelLoadFailed
         }
         
         // Read audio data

VoiceInk/Whisper/LibWhisper.swift

@@ -6,9 +6,6 @@ import whisper
 #endif
 import os
 
-enum WhisperError: Error {
-    case couldNotInitializeContext
-}
 
 // Meet Whisper C++ constraint: Don't access from more than one thread at a time.
 actor WhisperContext {
@@ -126,7 +123,7 @@ actor WhisperContext {
             self.context = context
         } else {
             logger.error("❌ Couldn't load model at \(path)")
-            throw WhisperError.couldNotInitializeContext
+            throw WhisperStateError.modelLoadFailed
         }
     }
 

VoiceInk/Whisper/WhisperError.swift

@@ -3,10 +3,6 @@ import Foundation
 enum WhisperStateError: Error, Identifiable {
     case modelLoadFailed
     case transcriptionFailed
-    case recordingFailed
-    case accessibilityPermissionDenied
-    case modelDownloadFailed
-    case modelDeletionFailed
     case unzipFailed
     case unknownError
     
@@ -20,14 +16,6 @@ extension WhisperStateError: LocalizedError {
             return "Failed to load the transcription model."
         case .transcriptionFailed:
             return "Failed to transcribe the audio."
-        case .recordingFailed:
-            return "Failed to start or stop recording."
-        case .accessibilityPermissionDenied:
-            return "Accessibility permission is required for automatic pasting."
-        case .modelDownloadFailed:
-            return "Failed to download the model."
-        case .modelDeletionFailed:
-            return "Failed to delete the model."
         case .unzipFailed:
             return "Failed to unzip the downloaded Core ML model."
         case .unknownError:
@@ -40,15 +28,7 @@ extension WhisperStateError: LocalizedError {
         case .modelLoadFailed:
             return "Try selecting a different model or redownloading the current model."
         case .transcriptionFailed:
-            return "Check your audio input and try again. If the problem persists, try a different model."
-        case .recordingFailed:
-            return "Check your microphone permissions and try again."
-        case .accessibilityPermissionDenied:
-            return "Go to System Preferences > Security & Privacy > Privacy > Accessibility and allow VoiceInk."
-        case .modelDownloadFailed:
-            return "Check your internet connection and try again. If the problem persists, try a different model."
-        case .modelDeletionFailed:
-            return "Restart the application and try again. If the problem persists, you may need to manually delete the model file."
+            return "Check the default model try again. If the problem persists, try a different model."
         case .unzipFailed:
             return "The downloaded Core ML model archive might be corrupted. Try deleting the model and downloading it again. Check available disk space."
         case .unknownError:

VoiceInk/Whisper/WhisperState.swift

@@ -413,8 +413,12 @@ class WhisperState: NSObject, ObservableObject, AVAudioRecorderDelegate {
                     let duration = CMTimeGetSeconds(try await audioAsset.load(.duration))
                     
                     await MainActor.run {
+                        let errorDescription = (error as? LocalizedError)?.errorDescription ?? error.localizedDescription
+                        let recoverySuggestion = (error as? LocalizedError)?.recoverySuggestion ?? ""
+                        let fullErrorText = recoverySuggestion.isEmpty ? errorDescription : "\(errorDescription) \(recoverySuggestion)"
+                        
                         let failedTranscription = Transcription(
-                            text: "Transcription Failed: \(error.localizedDescription)",
+                            text: "Transcription Failed: \(fullErrorText)",
                             duration: duration,
                             enhancedText: nil,
                             audioFileURL: permanentURL.absoluteString