camera-auditor

Scans Swift code for camera, video, and audio capture issues — both known anti-patterns like main-thread session work, deprecated videoOrientation, missing interruption observers, and UIImagePickerController for photos, and architectural gaps like missing sessionRuntimeError recovery, concurrent session queues, missing audio session deactivation, and stuck permission-denied UI when the user returns from Settings.

What It Does

• Detects 10 known anti-patterns (main-thread startRunning, deprecated videoOrientation, missing sessionWasInterrupted/sessionInterruptionEnded observers, UIImagePickerController with .photoLibrary, over-requesting PHPhotoLibrary.requestAuthorization, missing photoQualityPrioritization, wrong AVAudioSession category for recording, missing purpose strings, configuration outside beginConfiguration block, synchronous photo loading)
• Identifies architectural gaps (missing sessionRuntimeError observer + restart logic, concurrent session queue letting reconfiguration race, no Open-Settings guidance after permission denial and no didBecomeActiveNotification re-check on return, hot session left running in background, missing AVAudioSession.setActive(false) on end, missing audio interruption handling, stale rotation tracking on iOS 17+ without RotationCoordinator, deprecated AVCaptureDevice.devices() enumeration vs DiscoverySession, non-atomic reconfiguration, AVCaptureMultiCamSession without isMultiCamSupported check, try! on loadTransferable)
• Correlates findings that compound into higher severity (main-thread + heavy initial config, missing interruption + audio capture, missing purpose strings + capture session, deprecated videoOrientation + iOS 17+ deployment, AVAudioSession .playback + video recording produces silent files)
• Produces a Capture Reliability Health Score (RELIABLE / FRAGILE / BROKEN)

How to Use

Natural language:

• "Can you check my camera code for issues?"
• "Audit my capture implementation"
• "Is my camera code following best practices?"
• "Check for deprecated camera APIs"
• "Review my AVFoundation capture code"

Explicit command:

/axiom:audit camera

Related

• camera-capture skill — session setup, rotation handling, interruption recovery patterns
• camera-capture-ref skill — full AVCaptureSession/AVCaptureDevice/RotationCoordinator API reference
• camera-capture-diag skill — decision trees for camera freezes, black preview, rotation bugs
• photo-library skill — PHPicker/PhotosPicker patterns
• avfoundation-ref skill — AVAudioSession category and activation rules
• concurrency-auditor agent — overlaps on main-thread session work and sample-buffer processing
• security-privacy-scanner agent — overlaps on NSCameraUsageDescription, NSMicrophoneUsageDescription, photo library purpose strings
• energy-auditor agent — overlaps on hot session left running in background and HEVC encoding pressure
• swift-performance-analyzer agent — overlaps on ARC overhead in AVCaptureVideoDataOutput sample-buffer paths
• storage-auditor agent — overlaps on saved photo/video file location and isExcludedFromBackup
• health-check agent — includes camera-auditor in project-wide scans