Privacy with dignity.
Numerology uses personal data: name, date of birth and sometimes gender for Kua. The product should be clear, consent-led and practical. No plain-text secrets, no hidden profiling, no careless exports.
Consent
User should know why data is processed before generating a reading.
Minimisation
Only collect what is needed for the selected calculation.
Deletion
Admin should support audit and erasure workflows as the system grows.