feat: actually implement system audio + refactor

notetaker/Managers/LocalStorageManager.swift

@@ -0,0 +1,112 @@
+// LocalStorageManager.swift
+// Handles local storage of meetings and app data
+
+import Foundation
+
+/// Manages local file storage for meetings and app data
+class LocalStorageManager {
+    static let shared = LocalStorageManager()
+    
+    private let documentsDirectory: URL
+    private let meetingsDirectory: URL
+    
+    private init() {
+        // Get the app's documents directory
+        documentsDirectory = FileManager.default.urls(for: .documentDirectory, 
+                                                    in: .userDomainMask).first!
+        
+        // Create meetings subdirectory
+        meetingsDirectory = documentsDirectory.appendingPathComponent("Meetings")
+        
+        // Ensure directory exists
+        try? FileManager.default.createDirectory(at: meetingsDirectory,
+                                               withIntermediateDirectories: true)
+    }
+    
+    // MARK: - Meeting Management
+    
+    /// Saves a meeting to local storage
+    /// - Parameter meeting: The meeting to save
+    /// - Returns: True if successful, false otherwise
+    func saveMeeting(_ meeting: Meeting) -> Bool {
+        let fileURL = meetingsDirectory.appendingPathComponent("\(meeting.id.uuidString).json")
+        
+        do {
+            let encoder = JSONEncoder()
+            encoder.outputFormatting = .prettyPrinted
+            encoder.dateEncodingStrategy = .iso8601
+            
+            let data = try encoder.encode(meeting)
+            try data.write(to: fileURL)
+            
+            print("✅ Saved meeting: \(meeting.id)")
+            return true
+        } catch {
+            print("❌ Failed to save meeting: \(error)")
+            return false
+        }
+    }
+    
+    /// Loads all meetings from local storage
+    /// - Returns: Array of meetings, sorted by date (newest first)
+    func loadMeetings() -> [Meeting] {
+        do {
+            let fileURLs = try FileManager.default.contentsOfDirectory(at: meetingsDirectory,
+                                                                      includingPropertiesForKeys: nil)
+                .filter { $0.pathExtension == "json" }
+            
+            let decoder = JSONDecoder()
+            decoder.dateDecodingStrategy = .iso8601
+            
+            let meetings = fileURLs.compactMap { url -> Meeting? in
+                guard let data = try? Data(contentsOf: url),
+                      let meeting = try? decoder.decode(Meeting.self, from: data) else {
+                    print("⚠️ Failed to decode meeting at: \(url)")
+                    return nil
+                }
+                return meeting
+            }
+            
+            return meetings.sorted { $0.date > $1.date }
+        } catch {
+            print("❌ Failed to load meetings: \(error)")
+            return []
+        }
+    }
+    
+    /// Deletes a meeting from local storage
+    /// - Parameter meeting: The meeting to delete
+    /// - Returns: True if successful, false otherwise
+    func deleteMeeting(_ meeting: Meeting) -> Bool {
+        let fileURL = meetingsDirectory.appendingPathComponent("\(meeting.id.uuidString).json")
+        
+        do {
+            try FileManager.default.removeItem(at: fileURL)
+            print("✅ Deleted meeting: \(meeting.id)")
+            return true
+        } catch {
+            print("❌ Failed to delete meeting: \(error)")
+            return false
+        }
+    }
+    
+    // MARK: - Settings Management
+    
+    /// Saves non-sensitive settings to local storage
+    /// - Parameter settings: The settings to save (sensitive data should use Keychain)
+    func saveSettings(_ settings: Settings) -> Bool {
+        // For now, all settings are stored in Keychain
+        // This method is here for future non-sensitive settings
+        return true
+    }
+    
+    /// Gets the app's documents directory URL
+    var documentsDirectoryURL: URL {
+        documentsDirectory
+    }
+    
+    /// Gets the meetings directory URL
+    var meetingsDirectoryURL: URL {
+        meetingsDirectory
+    }
+}