# Core Product Requirements

This document defines the core product requirements for the platform.

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### REQ-p00001: User Authentication

**Level**: PRD | **Status**: Active

The system SHALL provide secure user authentication to verify user identity before granting access to protected resources.

## Assertions

A. The system SHALL authenticate users with email and password.
B. The system SHALL log failed login attempts.
C. The system SHALL lock accounts after 5 failed attempts.
D. The system SHALL timeout sessions after 30 minutes of inactivity.

## Rationale

Security and compliance require verified user identity.

*End* *User Authentication* | **Hash**: d18171fc
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### REQ-p00002: Data Privacy

**Level**: PRD | **Status**: Active

The system SHALL protect user data in accordance with GDPR and HIPAA requirements.

## Assertions

A. The system SHALL encrypt personal data at rest.
B. The system SHALL log all data access.
C. The system SHALL allow users to request data export.
D. The system SHALL allow users to request data deletion.

## Rationale

Legal compliance and user trust require data protection.

*End* *Data Privacy* | **Hash**: 38a6a60a
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### REQ-p00003: Audit Logging

**Level**: PRD | **Implements**: p00001, p00002 | **Status**: Active

The system SHALL maintain comprehensive audit logs for all security-relevant events.

## Assertions

A. The system SHALL log all authentication events.
B. The system SHALL log all data access events.
C. The system SHALL store logs in a tamper-evident format.
D. The system SHALL retain logs for 7 years.

## Rationale

Compliance requires complete audit trails for FDA 21 CFR Part 11.

*End* *Audit Logging* | **Hash**: f2c44ef9
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