- Senior citizen interest rate correctly sent in FD/RD create payload (isSeniorCitizen, seniorCitizenInterestRate, nominalAnnualInterestRate override) - Joint account ownership capped at 100%: Add Holder/Partner button disabled when 100% reached; dialog enforces remaining share as max across all account types - FD/RD interest rate chart step: rate calculator with tenure, senior citizen toggle, maturity preview - FD/RD preview step improvements - Base FD interest rate chart component added under fixed-deposit-products - Base recurring deposit interest rate chart component removed (replaced) - Savings account details step: joint holder improvements - Products routing and module updated for base FD rate chart Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>