Precision device fingerprint spoofing aligns user-agent, sensor signals, and WebGL/canvas traits to match real handset profiles, reducing anomaly scores. Region access controls steer sessions into specific city geofences and lens availability zones, exposing localized AR experiences, sponsored lenses, and area-targeted ads. Ephemeral capture pipelines snapshot Stories and Spotlight frames with metadata and timing, preserving short-lived assets for audits, creative analysis, and compliance reviews.