Platform cost + campaign cost in one calculator. Currency, plan, and partner code all live.
<script> block at the bottom.CURRENCIES, PLANS, CODES. Each is marked with // TODO: comments.HC-LEGACY-2026 (100% off both), HC-PILOT-50 (50% off both), HC-SETUP-FREE (setup fee only), HC-STARTER-25 (25% off subscription only), HC-IPL-SPECIAL (setup waived + 20% off subscription)./codes endpoint should require H's auth token.formatIndian(). All other currencies use en-US grouping.