Stop Monday SES deduction emails now that Flex checkcomponents owns payroll posting.
* feat(meals): send weekly deductions to paychex checkcomponents (PLAT-154) * fix(meals): round checkcomponents amounts half-up Keep SQS deduction amounts on the same rounding path as submit_order so extra-precision totals cannot diverge by a cent.
Freeze SAM CD and add greenfield Terraform for seahaven-prod so HCP is the sole stack deploy path.
