What compliance, mobile, and go-to-market surfaces did Burna AI ship in 2025 and 2026?

Six-year audit log retention; SHA-256 cryptographic e-signature for 21 CFR Part 11 alignment; React Native provider app with dark mode parity; React Native patient app with token-based passwordless enrollment; HIPAA compliance, SOC 2 certification, and 21 CFR Part 11 alignment; passwordless demo at demo.burna.ai; public marketing and trust surfaces at https://www.burna.ai.