Mirrors the DDMA flow: persistent Chrome profile + credential-change logout,
PingOne login with email MFA selection and OTP from app or browser,
Eligibility & Plan Details search (masked Subscriber ID/SSN), family member
picked by DOB and re-verified on the plan details page, PDF saved to the
patient's Eligibility folder and status set ACTIVE/INACTIVE.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>