Debug: add in-memory log buffer and AppInfoView debug section with copy/clear logs (DEBUG only)

bitchat/Utils/SecureLogger.swift

@@ -86,6 +86,38 @@ final class SecureLogger {
         return level.order >= minimumLevel.order
     }
     
+    // MARK: - In-memory debug buffer (DEBUG builds only)
+    #if DEBUG
+    private static let logBufferQueue = DispatchQueue(label: "chat.bitchat.securelogger.buffer")
+    private static var logBuffer: [String] = []
+    private static let logBufferCap: Int = 2000
+    
+    /// Append a sanitized line to the in-memory debug buffer
+    private static func record(_ line: String) {
+        logBufferQueue.async {
+            logBuffer.append(line)
+            if logBuffer.count > logBufferCap {
+                logBuffer.removeFirst(logBuffer.count - logBufferCap)
+            }
+        }
+    }
+    
+    /// Get the current logs as an array (oldest first)
+    static func getLogs() -> [String] {
+        return logBufferQueue.sync { logBuffer }
+    }
+    
+    /// Get the current logs as a single string
+    static func getLogText() -> String {
+        return getLogs().joined(separator: "\n")
+    }
+    
+    /// Clear the in-memory debug buffer
+    static func clearLogs() {
+        logBufferQueue.async { logBuffer.removeAll(keepingCapacity: false) }
+    }
+    #endif
+    
     // MARK: - Security Event Types
     
     enum SecurityEvent {
@@ -159,7 +191,9 @@ final class SecureLogger {
         let errorDesc = sanitize(error.localizedDescription)
         
         #if DEBUG
-        os_log("%{public}@ Error in %{public}@: %{public}@", log: category, type: .error, location, sanitized, errorDesc)
+        let line = "\(location) Error: \(sanitized) — \(errorDesc)"
+        os_log("%{public}@", log: category, type: .error, line)
+        record(line)
         #else
         os_log("%{private}@ Error in %{private}@: %{private}@", log: category, type: .error, location, sanitized, errorDesc)
         #endif
@@ -203,6 +237,7 @@ private extension SecureLogger {
         
         #if DEBUG
         os_log("%{public}@", log: category, type: level.osLogType, sanitized)
+        record(sanitized)
         #else
         // In release builds, only log non-debug messages
         if level != .debug {
@@ -220,6 +255,7 @@ private extension SecureLogger {
         
         #if DEBUG
         os_log("%{public}@", log: .security, type: level.osLogType, message)
+        record(message)
         #else
         // In release, use private logging to prevent sensitive data exposure
         os_log("%{private}@", log: .security, type: level.osLogType, message)

bitchat/Views/AppInfoView.swift

@@ -1,4 +1,9 @@
 import SwiftUI
+#if os(iOS)
+import UIKit
+#elseif os(macOS)
+import AppKit
+#endif
 
 struct AppInfoView: View {
     @Environment(\.dismiss) var dismiss
@@ -191,12 +196,78 @@ struct AppInfoView: View {
             .background(Color.red.opacity(0.1))
             .cornerRadius(8)
             
+            #if DEBUG
+            // Debug section (visible only in Debug builds)
+            DebugLogsSection(textColor: textColor, secondaryTextColor: secondaryTextColor)
+            #endif
+            
             .padding(.top)
         }
         .padding()
     }
 }
 
+#if DEBUG
+private struct DebugLogsSection: View {
+    let textColor: Color
+    let secondaryTextColor: Color
+    @State private var logsText: String = SecureLogger.getLogText()
+    private let timer = Timer.publish(every: 1.0, on: .main, in: .common).autoconnect()
+    
+    var body: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            SectionHeader("DEBUG")
+            
+            HStack(spacing: 12) {
+                Button {
+                    copyToPasteboard(logsText)
+                } label: {
+                    Text("copy logs")
+                        .font(.system(size: 14, design: .monospaced))
+                        .foregroundColor(textColor)
+                }
+                .buttonStyle(.plain)
+                
+                Button {
+                    SecureLogger.clearLogs()
+                    logsText = ""
+                } label: {
+                    Text("clear logs")
+                        .font(.system(size: 14, design: .monospaced))
+                        .foregroundColor(textColor)
+                }
+                .buttonStyle(.plain)
+            }
+            
+            ScrollView {
+                Text(logsText.isEmpty ? "(no logs)" : logsText)
+                    .font(.system(size: 12, design: .monospaced))
+                    .foregroundColor(secondaryTextColor)
+                    .frame(maxWidth: .infinity, alignment: .leading)
+                    .textSelection(.enabled)
+                    .padding(8)
+            }
+            .frame(minHeight: 180)
+            .background(secondaryTextColor.opacity(0.08))
+            .cornerRadius(8)
+        }
+        .onReceive(timer) { _ in
+            logsText = SecureLogger.getLogText()
+        }
+    }
+    
+    private func copyToPasteboard(_ text: String) {
+        #if os(iOS)
+        UIPasteboard.general.string = text
+        #elseif os(macOS)
+        let pb = NSPasteboard.general
+        pb.clearContents()
+        pb.setString(text, forType: .string)
+        #endif
+    }
+}
+#endif
+
 struct SectionHeader: View {
     let title: String
     @Environment(\.colorScheme) var colorScheme