Current Account: - CurrentAccountReadPlatformServiceImpl: add retrieveJointHolders() and retrievePartners() - CurrentAccountWritePlatformServiceImpl: full modifyApplication() - updates all CBS fields, joint holders, partners, nominees, facility config, dates, introducer - Fix cbsAccountType save: parse string account type from 'accountType' JSON field Nominees: - ClientNomineeWritePlatformService: add replaceNomineesForAccount() for atomic replace - Savings/FD/RD modifyApplication: replace nominees on modify FD/RD Read (DepositAccountReadPlatformServiceImpl): - Add isSeniorCitizen, seniorCitizenInterestRate to BASE SQL SELECT - Add setCbsAccountFields() call in FD/RD mappers reading accountStatus, modeOfOperation, introducerClientId, guardianFields, linkedAccountId, isSeniorCitizen from ResultSet - Fix retrieveOne() to also fetch joint holders from m_savings_account_joint_holders - Use explicit LinkedHashMap in joint holder query (camelCase keys for Angular) FD/RD Data Classes: - FixedDepositAccountData: add accountStatus, modeOfOperation, introducerClientId, linkedAccountId, jointHolders, isSeniorCitizen, seniorCitizenInterestRate fields - RecurringDepositAccountData: same fields added - Fix all factory methods (withInterestChartAndRecurringDetails, withClosureTemplateDetails, withTemplateOptions, associationsAndTemplate) to call copyCbsFieldsFrom() - Fix SavingsAccountReadPlatformServiceImpl joint holders: use camelCase keys FD Calculator: - FixedDepositAccountInterestCalculationServiceImpl: add calculateExact() with actual calendar-based calculation matching PostingPeriod engine (exact same as account creation) - Add submittedOnDate, daysInYear, interestPostingPeriodInMonths optional params - Support interestCompoundingPeriodInMonths=0 (daily compounding) in both validator and calc - DepositsApiConstants: add submittedOnDate/dateFormat/locale/daysInYear to allowed params - DepositAccountDataValidator: allow 0 (daily) in interestCompoundingPeriodInMonths Misc: - SavingsProductData: null-check in isCashBased/isAccrualBased methods (NPE fix) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>