From bb878c2a8a2fe6a573ebfdb470e7e91f5c52961f Mon Sep 17 00:00:00 2001
From: chris <chris@chrisedwards.tech>
Date: Mon, 11 May 2026 15:46:36 -0400
Subject: [PATCH] fix: apply 6.35% CT Sales Tax to all order line items
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Tax was $0 on first production order — catalog items don't have tax
configured in Square Dashboard. Apply it programmatically via an
ad-hoc LINE_ITEM scoped tax on every line item. Delivery remains
untaxed (service charge taxable: false).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 estore/src/lib/square.ts | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/estore/src/lib/square.ts b/estore/src/lib/square.ts
index 83347c7..427b873 100644
--- a/estore/src/lib/square.ts
+++ b/estore/src/lib/square.ts
@@ -310,15 +310,24 @@ export async function createSquareOrder(params: {
       }]
     : undefined
 
+  const CT_TAX_UID = 'ct-sales-tax'
+
   const { result } = await client.ordersApi.createOrder({
     idempotencyKey: params.idempotencyKey,
     order: {
-      locationId:  process.env.SQUARE_LOCATION_ID!,
-      lineItems:   params.lineItems.map((li) => ({
+      locationId: process.env.SQUARE_LOCATION_ID!,
+      taxes: [{
+        uid:        CT_TAX_UID,
+        name:       'CT Sales Tax',
+        percentage: '6.35',
+        scope:      'LINE_ITEM',
+      }],
+      lineItems: params.lineItems.map((li) => ({
         ...li,
         // Catalog object IDs only exist in production — strip them in sandbox
         // so Square treats each line item as a custom (ad-hoc) entry instead.
         catalogObjectId: isSandbox ? undefined : li.catalogObjectId,
+        appliedTaxes: [{ taxUid: CT_TAX_UID }],
       })),
       customerId:     params.customerId,
       serviceCharges: serviceCharges,