feat(documents): PDF prints only the document's selected company custom fields

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/routes/admin/invoices-pdf.ts

@@ -8,6 +8,7 @@ import { getRate } from "../../services/exchange-rates";
 import { localDateStr } from "../../utils/date";
 import { parseId, success } from "../../utils/response";
 import { lineNet } from "../../utils/money";
+import { parseSelectedCustomFields } from "../../utils/custom-fields";
 import {
   formatDate,
   formatNum,
@@ -34,6 +35,7 @@ function buildAddressLines(
   entity: Record<string, unknown> | null,
   isSupplier: boolean,
   tObj: Record<string, string>,
+  selectedCustomFields?: number[],
 ): AddressResult {
   if (!entity) return { name: "", lines: [] };
 
@@ -89,7 +91,9 @@ function buildAddressLines(
     fieldMap.company_id = `${tObj.ico}${entity.company_id}`;
   if (entity.vat_id) fieldMap.vat_id = `${tObj.dic}${entity.vat_id}`;
 
+  const filterCustom = Array.isArray(selectedCustomFields);
   cfData.forEach((cf, i) => {
+    if (filterCustom && !selectedCustomFields!.includes(i)) return;
     const cfName = (cf.name || "").trim();
     const cfValue = (cf.value || "").trim();
     const showLabel = cf.showLabel !== false;
@@ -454,7 +458,15 @@ export default async function invoicesPdfRoutes(
           }
         }
 
-        const supp = buildAddressLines(settings, true, t);
+        const supp = buildAddressLines(
+          settings,
+          true,
+          t,
+          parseSelectedCustomFields(
+            (invoice as { selected_custom_fields?: unknown })
+              .selected_custom_fields,
+          ),
+        );
         const cust = buildAddressLines(customer, false, t);
 
         const suppLinesHtml = supp.lines