diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..a8bfbd4
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1,5 @@
+# npm 12+ disables fetching git-protocol dependencies by default
+# (allow-git=none). @einfach-produktiv/invoicing is declared directly in
+# this file's own package.json (not a transitive dependency), so "root" is
+# the narrowest setting that still allows it.
+allow-git=root
diff --git a/Dockerfile b/Dockerfile
index debf6c9..a79e5b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,11 @@
 FROM node:20-alpine AS base
 
 FROM base AS deps
-RUN apk add --no-cache libc6-compat
+# git — needed for `npm ci` to fetch @einfach-produktiv/invoicing, a git-URL
+# dependency (see package.json); Alpine's base image doesn't ship it.
+RUN apk add --no-cache libc6-compat git
 WORKDIR /app
-COPY package*.json ./
+COPY package*.json .npmrc ./
 RUN npm ci
 
 FROM base AS builder
diff --git a/app/bestellbestaetigung/components/BestellbestaetigungContent.tsx b/app/bestellbestaetigung/components/BestellbestaetigungContent.tsx
index e6b6d14..73a6268 100644
--- a/app/bestellbestaetigung/components/BestellbestaetigungContent.tsx
+++ b/app/bestellbestaetigung/components/BestellbestaetigungContent.tsx
@@ -6,7 +6,7 @@ import Image from "next/image";
 import type { CartItem } from "../../lib/cart";
 import { useProducts } from "../../lib/products";
 import { computeCartTotals, effectivePrice, effectiveTaxRate } from "../../lib/cartTotals";
-import { computeTaxBreakdown } from "../../lib/taxBreakdown";
+import { computeTaxBreakdown } from "@einfach-produktiv/invoicing";
 import { formatPrice, formatDate } from "../../lib/format";
 import { Reveal } from "../../components/Reveal";
 import { CheckoutSteps } from "../../components/CheckoutSteps";
diff --git a/app/cart/components/CartContent.tsx b/app/cart/components/CartContent.tsx
index 2460a62..f080b56 100644
--- a/app/cart/components/CartContent.tsx
+++ b/app/cart/components/CartContent.tsx
@@ -8,7 +8,7 @@ import { useCart, removeFromCart, setQuantity } from "../../lib/cart";
 import { useProducts } from "../../lib/products";
 import { useDiscount, applyDiscount, clearDiscount } from "../../lib/discount";
 import { computeSubtotal, computeCartTotals, effectivePrice, effectiveTaxRate } from "../../lib/cartTotals";
-import { computeTaxBreakdown } from "../../lib/taxBreakdown";
+import { computeTaxBreakdown } from "@einfach-produktiv/invoicing";
 import { formatPrice, discountPercent } from "../../lib/format";
 import { Reveal } from "../../components/Reveal";
 import { VersandModal } from "../../components/VersandModal";
diff --git a/app/checkout/components/CheckoutContent.tsx b/app/checkout/components/CheckoutContent.tsx
index eea6baa..5044414 100644
--- a/app/checkout/components/CheckoutContent.tsx
+++ b/app/checkout/components/CheckoutContent.tsx
@@ -8,7 +8,7 @@ import { useCart, clearCart, mergeServerCartIntoLocal } from "../../lib/cart";
 import { useProducts } from "../../lib/products";
 import { useDiscount, clearDiscount } from "../../lib/discount";
 import { computeSubtotal, computeCartTotals, effectivePrice, effectiveTaxRate } from "../../lib/cartTotals";
-import { computeTaxBreakdown } from "../../lib/taxBreakdown";
+import { computeTaxBreakdown } from "@einfach-produktiv/invoicing";
 import { formatPrice } from "../../lib/format";
 import { Reveal } from "../../components/Reveal";
 import { VersandModal } from "../../components/VersandModal";
diff --git a/app/company-settings-preview/components/LiveCompanySettingsPreviewClient.tsx b/app/company-settings-preview/components/LiveCompanySettingsPreviewClient.tsx
index 37f9980..b25cf09 100644
--- a/app/company-settings-preview/components/LiveCompanySettingsPreviewClient.tsx
+++ b/app/company-settings-preview/components/LiveCompanySettingsPreviewClient.tsx
@@ -2,7 +2,7 @@
 
 import dynamic from "next/dynamic";
 import { useLivePreview } from "@payloadcms/live-preview-react";
-import { InvoiceDocument, SAMPLE_INVOICE_ORDER } from "../../lib/invoicePdf";
+import { InvoiceDocument, SAMPLE_INVOICE_ORDER } from "@einfach-produktiv/invoicing";
 import type { CompanySettings } from "../../lib/payload";
 
 const PAYLOAD_URL = process.env.NEXT_PUBLIC_PAYLOAD_URL || "https://payload.mk360.de";
diff --git a/app/components/VatBreakdown.tsx b/app/components/VatBreakdown.tsx
index 010f052..a64046b 100644
--- a/app/components/VatBreakdown.tsx
+++ b/app/components/VatBreakdown.tsx
@@ -1,5 +1,5 @@
 import { formatPrice } from "../lib/format";
-import type { TaxBreakdownGroup } from "../lib/taxBreakdown";
+import type { TaxBreakdownGroup } from "@einfach-produktiv/invoicing";
 
 // The actual amount of VAT included in a total — not just a disclosure
 // that VAT is included (see cartTotals.ts's effectiveTaxRate() for the
diff --git a/app/konto/bestellungen/[orderNumber]/page.tsx b/app/konto/bestellungen/[orderNumber]/page.tsx
index fbaf782..e801242 100644
--- a/app/konto/bestellungen/[orderNumber]/page.tsx
+++ b/app/konto/bestellungen/[orderNumber]/page.tsx
@@ -8,7 +8,7 @@ import { VatBreakdown } from "../../../components/VatBreakdown";
 import { formatPrice, formatDate } from "../../../lib/format";
 import { getSessionCustomer, getCustomerOrderDetail, customerOrderAction } from "../../../lib/customerAuth";
 import { getProductImagesByIds } from "../../../lib/payload";
-import { computeTaxBreakdown } from "../../../lib/taxBreakdown";
+import { computeTaxBreakdown } from "@einfach-produktiv/invoicing";
 import { buildTrackingUrl, CARRIER_LABELS } from "../../../lib/tracking";
 import { OrderActionButton } from "./components/OrderActionButton";
 import { OrderStatusBadge } from "../../components/OrderStatusBadge";
diff --git a/app/lib/__tests__/invoicePdf.test.ts b/app/lib/__tests__/invoicePdf.test.ts
deleted file mode 100644
index 5c58a66..0000000
--- a/app/lib/__tests__/invoicePdf.test.ts
+++ /dev/null
@@ -1,97 +0,0 @@
-import { describe, it, expect } from "vitest";
-import { __testables, type InvoiceItem, type InvoiceOrder } from "../invoicePdf";
-
-const { isPaidImmediately, groupByTaxRate } = __testables;
-
-const item = (overrides: Partial<InvoiceItem> = {}): InvoiceItem => ({
-  productName: "ToDo-Karten",
-  quantity: 2,
-  unitPrice: 12.9,
-  taxRatePercent: 19,
-  bundleContents: null,
-  ...overrides,
-});
-
-const order = (overrides: Partial<InvoiceOrder> = {}): InvoiceOrder => ({
-  orderNumber: "#EP-0001",
-  invoiceNumber: "RE-0001",
-  invoiceIssuedAt: new Date().toISOString(),
-  customerFirstName: "Max",
-  customerLastName: "Mustermann",
-  deliveryMethod: "address",
-  street: "Musterweg 1",
-  zip: "10115",
-  city: "Berlin",
-  country: "Deutschland",
-  paymentMethodTitle: "Kreditkarte",
-  items: [item()],
-  subtotal: 25.8,
-  shippingCost: 2.9,
-  discountAmount: 0,
-  discountCode: null,
-  total: 28.7,
-  ...overrides,
-});
-
-describe("isPaidImmediately", () => {
-  it("is true for Kreditkarte", () => {
-    expect(isPaidImmediately("Kreditkarte")).toBe(true);
-  });
-
-  it("is true for PayPal", () => {
-    expect(isPaidImmediately("PayPal")).toBe(true);
-  });
-
-  it("is false only for Überweisung", () => {
-    expect(isPaidImmediately("Überweisung")).toBe(false);
-  });
-
-  it("defaults to true for any future/unknown payment method (only Überweisung is the named exception)", () => {
-    expect(isPaidImmediately("Sofortüberweisung")).toBe(true);
-    expect(isPaidImmediately("Klarna")).toBe(true);
-  });
-});
-
-describe("groupByTaxRate (original invoice)", () => {
-  it("reconciles net+tax to gross, and gross to the order total for a single rate", () => {
-    const o = order({ items: [item({ quantity: 2, unitPrice: 12.9 })], subtotal: 25.8, shippingCost: 2.9, discountAmount: 0, total: 28.7 });
-    const groups = groupByTaxRate(o, 19);
-    expect(groups).toHaveLength(1);
-    const [g] = groups;
-    expect(g.net + g.tax).toBeCloseTo(g.gross, 6);
-    expect(g.gross).toBeCloseTo(28.7, 2);
-  });
-
-  it("distributes a discount proportionally, still reconciling to the discounted total", () => {
-    const o = order({
-      items: [item({ quantity: 1, unitPrice: 50 })],
-      subtotal: 50,
-      shippingCost: 0,
-      discountAmount: 10,
-      total: 40,
-    });
-    const groups = groupByTaxRate(o, 19);
-    const total = groups.reduce((sum, g) => sum + g.gross, 0);
-    expect(total).toBeCloseTo(40, 2);
-  });
-
-  it("splits multiple tax rates into separate groups that each reconcile", () => {
-    const o = order({
-      items: [item({ quantity: 1, unitPrice: 20, taxRatePercent: 19 }), item({ quantity: 1, unitPrice: 10, taxRatePercent: 7 })],
-      subtotal: 30,
-      shippingCost: 0,
-      discountAmount: 0,
-      total: 30,
-    });
-    const groups = groupByTaxRate(o, 19);
-    expect(groups).toHaveLength(2);
-    for (const g of groups) expect(g.net + g.tax).toBeCloseTo(g.gross, 6);
-    expect(groups.reduce((sum, g) => sum + g.gross, 0)).toBeCloseTo(30, 2);
-  });
-
-  it("falls back to the tenant default rate when an item has no taxRatePercent", () => {
-    const o = order({ items: [item({ taxRatePercent: undefined as unknown as number })] });
-    const groups = groupByTaxRate(o, 7);
-    expect(groups[0].rate).toBe(7);
-  });
-});
diff --git a/app/lib/correctionInvoicePdf.tsx b/app/lib/correctionInvoicePdf.tsx
deleted file mode 100644
index 84b17ce..0000000
--- a/app/lib/correctionInvoicePdf.tsx
+++ /dev/null
@@ -1,311 +0,0 @@
-import React from "react";
-import { Document, Page, View, Text, Image, StyleSheet, renderToBuffer } from "@react-pdf/renderer";
-import { formatDate } from "./format";
-import { computeTaxBreakdown } from "./taxBreakdown";
-
-// Frontend port of the Payload backend's src/lib/correctionInvoicePdf.tsx
-// — the *real* Stornorechnung/Gutschrift is generated and emailed from
-// Payload's own Orders.ts afterChange hook (that's where the status
-// transition and the correction invoice NUMBER are actually assigned).
-// This copy exists only so a customer can re-download the same document
-// later from /konto/bestellungen/[orderNumber] without it having been
-// stored as a file anywhere — same "deterministic regeneration, not file
-// storage" approach already used for the original invoice (see
-// invoicePdf.tsx): correctionInvoiceNumber/correctionInvoiceIssuedAt are
-// immutable once set, so re-rendering from the order's own stored data
-// always reproduces the identical document.
-const BRAND = "#f6a701";
-const TEXT_MUTED = "#6b6b69";
-const BORDER = "#e5e0d8";
-const BG_MUTED = "#f8f5f1";
-
-const styles = StyleSheet.create({
-  page: { padding: 0, fontSize: 10, fontFamily: "Helvetica", color: "#1a1a18" },
-  // A rule, not a filled band — a bold brand-colored line rather than a
-  // plain 1pt gray divider.
-  headerBand: {
-    padding: 32,
-    paddingBottom: 24,
-    flexDirection: "row",
-    justifyContent: "space-between",
-    alignItems: "center",
-    borderBottomWidth: 3,
-    borderBottomColor: BRAND,
-  },
-  wordmark: { fontFamily: "Helvetica-Bold", fontSize: 14 },
-  kindLabel: { fontFamily: "Helvetica-Bold", fontSize: 22, color: BRAND, letterSpacing: 1 },
-  body: { padding: 32, paddingBottom: 90 },
-  refLine: { fontSize: 10, color: TEXT_MUTED, marginBottom: 24 },
-  addressRow: { flexDirection: "row", justifyContent: "space-between", marginBottom: 24 },
-  addressBlock: { width: "45%" },
-  addressLabel: { fontSize: 8, color: TEXT_MUTED, marginBottom: 4, textTransform: "uppercase" },
-  addressLine: { fontSize: 10, lineHeight: 1.5 },
-  metaRow: { flexDirection: "row", gap: 10, marginBottom: 24 },
-  metaBox: { borderWidth: 1, borderColor: BORDER, borderRadius: 6, paddingVertical: 8, paddingHorizontal: 12 },
-  metaLabel: { fontSize: 7, color: TEXT_MUTED, textTransform: "uppercase", marginBottom: 2 },
-  metaValue: { fontSize: 10, fontFamily: "Helvetica-Bold" },
-  table: { borderRadius: 6, overflow: "hidden", borderWidth: 1, borderColor: BORDER, marginBottom: 16 },
-  tableHeader: { flexDirection: "row", backgroundColor: BG_MUTED, paddingVertical: 8, paddingHorizontal: 10 },
-  tableRow: { flexDirection: "row", paddingVertical: 8, paddingHorizontal: 10, borderTopWidth: 1, borderTopColor: BORDER },
-  tableRowAlt: { backgroundColor: BG_MUTED },
-  colImage: { width: 28 },
-  itemImage: { width: 28, height: 28, borderRadius: 3 },
-  colName: { flex: 3 },
-  colQty: { flex: 1, textAlign: "right" },
-  colPrice: { flex: 1, textAlign: "right" },
-  colTotal: { flex: 1, textAlign: "right" },
-  headerCell: { fontSize: 8, color: TEXT_MUTED, textTransform: "uppercase" },
-  bundleLine: { fontSize: 8, color: TEXT_MUTED, marginTop: 2 },
-  summary: { alignItems: "flex-end", marginBottom: 24 },
-  summaryBox: { width: 240, backgroundColor: BG_MUTED, borderRadius: 6, padding: 14 },
-  summaryRow: { flexDirection: "row", justifyContent: "space-between", paddingVertical: 2 },
-  summaryLabel: { fontSize: 10, color: TEXT_MUTED },
-  summaryValue: { fontSize: 10 },
-  grandTotalRow: { flexDirection: "row", justifyContent: "space-between", paddingTop: 8, marginTop: 6, borderTopWidth: 1, borderTopColor: BORDER },
-  grandTotalLabel: { fontSize: 12, fontFamily: "Helvetica-Bold" },
-  grandTotalValue: { fontSize: 12, fontFamily: "Helvetica-Bold" },
-  footer: {
-    position: "absolute",
-    bottom: 32,
-    left: 32,
-    right: 32,
-    borderTopWidth: 1,
-    borderTopColor: BORDER,
-    paddingTop: 12,
-    fontSize: 8,
-    color: TEXT_MUTED,
-  },
-});
-
-function formatPrice(amount: number): string {
-  return new Intl.NumberFormat("de-DE", { style: "currency", currency: "EUR" }).format(amount);
-}
-
-export type CorrectionInvoiceKind = "storno" | "gutschrift";
-
-export type CorrectionInvoiceItem = {
-  productName: string;
-  quantity: number;
-  unitPrice: number;
-  taxRatePercent: number;
-  bundleContents?: string | null;
-  variantName?: string | null;
-  returnQuantity?: number;
-  imageUrl?: string | null;
-};
-
-export type CorrectionInvoiceOrder = {
-  orderNumber: string;
-  invoiceNumber: string;
-  invoiceIssuedAt: string;
-  correctionInvoiceNumber: string;
-  correctionInvoiceIssuedAt: string;
-  customerFirstName: string;
-  customerLastName: string;
-  deliveryMethod: "address" | "packstation";
-  street?: string | null;
-  packstationNumber?: string | null;
-  postNumber?: string | null;
-  zip: string;
-  city: string;
-  country: string;
-  items: CorrectionInvoiceItem[];
-  subtotal: number;
-  shippingCost: number;
-  discountAmount: number;
-  total: number;
-};
-
-export type InvoiceSeller = {
-  sellerName: string;
-  sellerStreet: string;
-  sellerZip: string;
-  sellerCity: string;
-  sellerCountry: string;
-  sellerEmail: string;
-  vatId: string;
-  taxRatePercent: number;
-  bankDetails?: string | null;
-  // Pflichtangaben in Geschäftsbriefen for registered legal forms (§37a
-  // HGB / §35a GmbHG) — optional because a sole proprietorship (the
-  // default legalForm in company-settings) has neither. Mirrors
-  // invoicePdf.tsx's own InvoiceSeller — see that file's comment.
-  registerCourt?: string | null;
-  registerNumber?: string | null;
-  managingDirector?: string | null;
-};
-
-// Stornorechnung: every item at its full ordered quantity (nothing
-// shipped, undo everything). Gutschrift: only items with a nonzero
-// returnQuantity, at that returned quantity — see this file's port source
-// (backend src/lib/correctionInvoicePdf.tsx) for the full policy
-// reasoning (no shipping refund, no discount reproration on a Gutschrift).
-function resolveLineItems(kind: CorrectionInvoiceKind, items: CorrectionInvoiceItem[]): { item: CorrectionInvoiceItem; effectiveQuantity: number }[] {
-  if (kind === "storno") return items.map((item) => ({ item, effectiveQuantity: item.quantity }));
-  return items
-    .filter((item) => (item.returnQuantity ?? 0) > 0)
-    .map((item) => ({ item, effectiveQuantity: item.returnQuantity as number }));
-}
-
-function groupByTaxRate(
-  kind: CorrectionInvoiceKind,
-  lines: { item: CorrectionInvoiceItem; effectiveQuantity: number }[],
-  order: CorrectionInvoiceOrder,
-  defaultRate: number,
-): { rate: number; net: number; tax: number; gross: number }[] {
-  // Gutschrift excludes shipping/discount entirely — passing 0 for both
-  // collapses computeTaxBreakdown's scale factor to 1, same as the old
-  // kind==='storno' ? ... : 1 branch did explicitly.
-  return computeTaxBreakdown(
-    lines.map(({ item, effectiveQuantity }) => ({
-      quantity: effectiveQuantity,
-      unitPrice: item.unitPrice,
-      taxRatePercent: item.taxRatePercent ?? defaultRate,
-    })),
-    order.subtotal,
-    kind === "storno" ? order.discountAmount : 0,
-    kind === "storno" ? order.shippingCost : 0,
-  );
-}
-
-function CorrectionInvoiceDocument({ kind, order, seller }: { kind: CorrectionInvoiceKind; order: CorrectionInvoiceOrder; seller: InvoiceSeller }) {
-  const kindLabel = kind === "storno" ? "Stornorechnung" : "Gutschrift";
-  const lines = resolveLineItems(kind, order.items);
-  const rateGroups = groupByTaxRate(kind, lines, order, seller.taxRatePercent);
-  const grandTotal = rateGroups.reduce((sum, g) => sum + g.gross, 0);
-  const refNote =
-    kind === "storno"
-      ? "vollständige Stornierung des ursprünglichen Rechnungsbetrags (inkl. Versand)."
-      : "Gutschrift für die zurückgesendeten Artikel — ohne Versandkosten, der ursprüngliche Rabatt bleibt unverändert bei den behaltenen Artikeln.";
-  const deliveryLine =
-    order.deliveryMethod === "address" ? order.street : `Packstation ${order.packstationNumber} · Postnummer ${order.postNumber}`;
-
-  return (
-    <Document>
-      <Page size="A4" style={styles.page}>
-        <View style={styles.headerBand}>
-          <Text style={styles.wordmark}>einfach produktiv.</Text>
-          <Text style={styles.kindLabel}>{kindLabel.toUpperCase()}</Text>
-        </View>
-
-        <View style={styles.body}>
-          <Text style={styles.refLine}>
-            {kindLabel} zu Rechnung Nr. {order.invoiceNumber} vom {formatDate(order.invoiceIssuedAt)} (Bestellung {order.orderNumber}) — {refNote}
-          </Text>
-
-          <View style={styles.addressRow}>
-            <View style={styles.addressBlock}>
-              <Text style={styles.addressLabel}>Von</Text>
-              <Text style={styles.addressLine}>{seller.sellerName}</Text>
-              <Text style={styles.addressLine}>{seller.sellerStreet}</Text>
-              <Text style={styles.addressLine}>
-                {seller.sellerZip} {seller.sellerCity}
-              </Text>
-              <Text style={styles.addressLine}>{seller.sellerCountry}</Text>
-            </View>
-            <View style={styles.addressBlock}>
-              <Text style={styles.addressLabel}>An</Text>
-              <Text style={styles.addressLine}>
-                {order.customerFirstName} {order.customerLastName}
-              </Text>
-              <Text style={styles.addressLine}>{deliveryLine}</Text>
-              <Text style={styles.addressLine}>
-                {order.zip} {order.city}
-              </Text>
-              <Text style={styles.addressLine}>{order.country}</Text>
-            </View>
-          </View>
-
-          <View style={styles.metaRow}>
-            <View style={styles.metaBox}>
-              <Text style={styles.metaLabel}>{kindLabel === "Gutschrift" ? "Gutschrift-Nr." : "Storno-Nr."}</Text>
-              <Text style={styles.metaValue}>{order.correctionInvoiceNumber}</Text>
-            </View>
-            <View style={styles.metaBox}>
-              <Text style={styles.metaLabel}>Datum</Text>
-              <Text style={styles.metaValue}>{formatDate(order.correctionInvoiceIssuedAt)}</Text>
-            </View>
-          </View>
-
-          <View style={styles.table}>
-            <View style={styles.tableHeader}>
-              <View style={styles.colImage} />
-              <Text style={[styles.colName, styles.headerCell]}>Artikel</Text>
-              <Text style={[styles.colQty, styles.headerCell]}>Menge</Text>
-              <Text style={[styles.colPrice, styles.headerCell]}>Einzelpreis</Text>
-              <Text style={[styles.colTotal, styles.headerCell]}>Betrag</Text>
-            </View>
-            {lines.map(({ item, effectiveQuantity }, i) => (
-              <View style={[styles.tableRow, i % 2 === 1 ? styles.tableRowAlt : {}]} key={i}>
-                <View style={styles.colImage}>
-                  {item.imageUrl && <Image src={item.imageUrl} style={styles.itemImage} />}
-                </View>
-                <View style={styles.colName}>
-                  <Text>
-                    {item.productName}
-                    {item.variantName ? ` (${item.variantName})` : ""}
-                  </Text>
-                  {item.bundleContents ? <Text style={styles.bundleLine}>{item.bundleContents}</Text> : null}
-                </View>
-                <Text style={styles.colQty}>{effectiveQuantity}</Text>
-                <Text style={styles.colPrice}>{formatPrice(item.unitPrice)}</Text>
-                <Text style={styles.colTotal}>-{formatPrice(effectiveQuantity * item.unitPrice)}</Text>
-              </View>
-            ))}
-          </View>
-
-          <View style={styles.summary}>
-            <View style={styles.summaryBox}>
-              {/* Storno reverses the full original invoice, shipping
-                  included (see this file's top-of-file comment on why the
-                  two kinds differ) — shown as its own line instead of
-                  silently folded into the tax-rate groups below, same as
-                  the original invoice's own Versand row. Gutschrift never
-                  reverses shipping, so this never renders for it. */}
-              {kind === "storno" && order.shippingCost > 0 && (
-                <View style={styles.summaryRow}>
-                  <Text style={styles.summaryLabel}>Versand</Text>
-                  <Text style={styles.summaryValue}>-{formatPrice(order.shippingCost)}</Text>
-                </View>
-              )}
-              {rateGroups.map((g) => (
-                <React.Fragment key={g.rate}>
-                  <View style={styles.summaryRow}>
-                    <Text style={styles.summaryLabel}>Netto</Text>
-                    <Text style={styles.summaryValue}>-{formatPrice(g.net)}</Text>
-                  </View>
-                  <View style={styles.summaryRow}>
-                    <Text style={styles.summaryLabel}>zzgl. {g.rate}% MwSt.</Text>
-                    <Text style={styles.summaryValue}>-{formatPrice(g.tax)}</Text>
-                  </View>
-                </React.Fragment>
-              ))}
-              <View style={styles.grandTotalRow}>
-                <Text style={styles.grandTotalLabel}>Gesamt</Text>
-                <Text style={styles.grandTotalValue}>-{formatPrice(grandTotal)}</Text>
-              </View>
-            </View>
-          </View>
-        </View>
-
-        <View style={styles.footer} fixed>
-          <Text>
-            {seller.sellerName} · {seller.sellerStreet}, {seller.sellerZip} {seller.sellerCity} · {seller.sellerEmail} · USt-IdNr.{" "}
-            {seller.vatId}
-            {seller.registerCourt && seller.registerNumber ? ` · ${seller.registerCourt} · ${seller.registerNumber}` : ""}
-            {seller.managingDirector ? ` · Geschäftsführung: ${seller.managingDirector}` : ""}
-          </Text>
-          {seller.bankDetails ? <Text style={{ marginTop: 4 }}>Bankverbindung (für Überweisung): {seller.bankDetails}</Text> : null}
-        </View>
-      </Page>
-    </Document>
-  );
-}
-
-export async function renderCorrectionInvoicePdf(kind: CorrectionInvoiceKind, order: CorrectionInvoiceOrder, seller: InvoiceSeller): Promise<Buffer> {
-  return renderToBuffer(<CorrectionInvoiceDocument kind={kind} order={order} seller={seller} />);
-}
-
-// Exported for unit testing (see app/lib/__tests__/correctionInvoicePdf.test.ts)
-// — the actual money math, independent of the PDF rendering.
-export const __testables = { resolveLineItems, groupByTaxRate };
diff --git a/app/lib/emailTemplates.ts b/app/lib/emailTemplates.ts
index c0403ca..3c9ecb3 100644
--- a/app/lib/emailTemplates.ts
+++ b/app/lib/emailTemplates.ts
@@ -1,5 +1,5 @@
 import { formatPrice, formatDate } from "./format";
-import { computeTaxBreakdown } from "./taxBreakdown";
+import { computeTaxBreakdown } from "@einfach-produktiv/invoicing";
 import type { CompanySettings } from "./payload";
 
 // Pure string-building functions, no server-only or client-only imports —
diff --git a/app/lib/invoiceData.ts b/app/lib/invoiceData.ts
index afe6e30..0ab8631 100644
--- a/app/lib/invoiceData.ts
+++ b/app/lib/invoiceData.ts
@@ -1,6 +1,11 @@
 import { getCompanySettings, type CompanySettings } from "./payload";
-import { renderInvoicePdf, type InvoiceOrder } from "./invoicePdf";
-import { renderCorrectionInvoicePdf, type CorrectionInvoiceKind, type CorrectionInvoiceOrder } from "./correctionInvoicePdf";
+import {
+  renderInvoicePdf,
+  renderCorrectionInvoicePdf,
+  type InvoiceOrder,
+  type CorrectionInvoiceKind,
+  type CorrectionInvoiceOrder,
+} from "@einfach-produktiv/invoicing";
 
 export type { CompanySettings };
 
diff --git a/app/lib/invoicePdf.tsx b/app/lib/invoicePdf.tsx
deleted file mode 100644
index 878d4f5..0000000
--- a/app/lib/invoicePdf.tsx
+++ /dev/null
@@ -1,375 +0,0 @@
-import React from "react";
-import { Document, Page, View, Text, Image, StyleSheet, renderToBuffer } from "@react-pdf/renderer";
-import { formatDate } from "./format";
-import { computeTaxBreakdown } from "./taxBreakdown";
-
-// Generated synchronously in the checkout request (see app/lib/orderEmail.ts)
-// and attached to the order-confirmation email, plus available on-demand via
-// app/api/account/orders/[orderNumber]/invoice/route.ts — same render
-// function both times, so a re-download always matches what was emailed.
-//
-// Built-in Helvetica, not a registered web font — this renders inside the
-// checkout request's own fire-and-forget email step; a font-fetch failure
-// there is one more way to lose the invoice attachment for no real design
-// benefit. Same choice as the Payload-side correction-invoice PDF
-// (src/lib/correctionInvoicePdf.tsx in the backend repo, kept visually in
-// sync with this file by eye — not shared code, two separate deployments).
-const BRAND = "#f6a701";
-const TEXT_MUTED = "#6b6b69";
-const BORDER = "#e5e0d8";
-const BG_MUTED = "#f8f5f1";
-const SUCCESS = "#2f8f4e";
-const SUCCESS_TINT = "#e7f5eb";
-
-const styles = StyleSheet.create({
-  page: { padding: 0, fontSize: 10, fontFamily: "Helvetica", color: "#1a1a18" },
-  // A rule, not a filled band — a bold brand-colored line with a thin
-  // muted second line underneath, rather than a plain 1pt gray divider.
-  headerBand: {
-    padding: 32,
-    paddingBottom: 24,
-    flexDirection: "row",
-    justifyContent: "space-between",
-    alignItems: "center",
-    borderBottomWidth: 3,
-    borderBottomColor: BRAND,
-  },
-  headerRuleThin: { height: 1, backgroundColor: BORDER, marginHorizontal: 32 },
-  wordmark: { fontFamily: "Helvetica-Bold", fontSize: 14 },
-  kindLabel: { fontFamily: "Helvetica-Bold", fontSize: 22, color: BRAND, letterSpacing: 1 },
-  body: { padding: 32, paddingBottom: 90 },
-  addressRow: { flexDirection: "row", flexWrap: "wrap", justifyContent: "space-between", rowGap: 12, marginBottom: 24 },
-  addressBlock: { width: "45%" },
-  // Narrower variant for when a 3rd (shipping) block joins Von/An — three
-  // of these plus the row's own space-between still fit a Page's width
-  // without any block cramping its text.
-  addressBlockThird: { width: "30%" },
-  addressLabel: { fontSize: 8, color: TEXT_MUTED, marginBottom: 4, textTransform: "uppercase" },
-  addressLine: { fontSize: 10, lineHeight: 1.5 },
-  metaRow: { flexDirection: "row", gap: 10, marginBottom: 16, flexWrap: "wrap" },
-  metaBox: { borderWidth: 1, borderColor: BORDER, borderRadius: 6, paddingVertical: 8, paddingHorizontal: 12 },
-  metaLabel: { fontSize: 7, color: TEXT_MUTED, textTransform: "uppercase", marginBottom: 2 },
-  metaValue: { fontSize: 10, fontFamily: "Helvetica-Bold" },
-  paidBadge: { backgroundColor: SUCCESS_TINT, borderRadius: 6, paddingVertical: 8, paddingHorizontal: 12, justifyContent: "center" },
-  paidBadgeText: { fontSize: 10, fontFamily: "Helvetica-Bold", color: SUCCESS },
-  table: { borderRadius: 6, overflow: "hidden", borderWidth: 1, borderColor: BORDER, marginTop: 8, marginBottom: 16 },
-  tableHeader: { flexDirection: "row", backgroundColor: BG_MUTED, paddingVertical: 8, paddingHorizontal: 10 },
-  tableRow: { flexDirection: "row", paddingVertical: 8, paddingHorizontal: 10, borderTopWidth: 1, borderTopColor: BORDER },
-  tableRowAlt: { backgroundColor: BG_MUTED },
-  colImage: { width: 28 },
-  itemImage: { width: 28, height: 28, borderRadius: 3 },
-  colName: { flex: 3 },
-  colQty: { flex: 1, textAlign: "right" },
-  colPrice: { flex: 1, textAlign: "right" },
-  colTotal: { flex: 1, textAlign: "right" },
-  headerCell: { fontSize: 8, color: TEXT_MUTED, textTransform: "uppercase" },
-  bundleLine: { fontSize: 8, color: TEXT_MUTED, marginTop: 2 },
-  summary: { alignItems: "flex-end", marginBottom: 24 },
-  summaryBox: { width: 240, backgroundColor: BG_MUTED, borderRadius: 6, padding: 14 },
-  summaryRow: { flexDirection: "row", justifyContent: "space-between", paddingVertical: 2 },
-  summaryLabel: { fontSize: 10, color: TEXT_MUTED },
-  summaryValue: { fontSize: 10 },
-  grandTotalRow: { flexDirection: "row", justifyContent: "space-between", paddingTop: 8, marginTop: 6, borderTopWidth: 1, borderTopColor: BORDER },
-  grandTotalLabel: { fontSize: 12, fontFamily: "Helvetica-Bold" },
-  grandTotalValue: { fontSize: 12, fontFamily: "Helvetica-Bold" },
-  // `fixed` (below, on the element) + absolute positioning — always pinned
-  // to the bottom of the page regardless of how much content is above it,
-  // rather than just following wherever the content flow happens to end.
-  footer: {
-    position: "absolute",
-    bottom: 32,
-    left: 32,
-    right: 32,
-    borderTopWidth: 1,
-    borderTopColor: BORDER,
-    paddingTop: 12,
-    fontSize: 8,
-    color: TEXT_MUTED,
-  },
-});
-
-function formatPrice(amount: number): string {
-  return new Intl.NumberFormat("de-DE", { style: "currency", currency: "EUR" }).format(amount);
-}
-
-export type InvoiceItem = {
-  productName: string;
-  quantity: number;
-  unitPrice: number;
-  taxRatePercent: number;
-  bundleContents?: string | null;
-  variantName?: string | null;
-  imageUrl?: string | null;
-};
-
-export type InvoiceOrder = {
-  orderNumber: string;
-  invoiceNumber: string;
-  invoiceIssuedAt: string;
-  customerFirstName: string;
-  customerLastName: string;
-  deliveryMethod: "address" | "packstation";
-  street?: string | null;
-  packstationNumber?: string | null;
-  postNumber?: string | null;
-  zip: string;
-  city: string;
-  country: string;
-  // Optional package destination distinct from the "An" recipient above —
-  // when set, the invoice shows both addresses (billing stays "An", this
-  // becomes its own "Lieferadresse" block) instead of implying the order
-  // shipped to the billing address, which is only true when this is unset.
-  hasDifferentShippingAddress?: boolean;
-  shippingFirstName?: string | null;
-  shippingLastName?: string | null;
-  shippingDeliveryMethod?: "address" | "packstation" | null;
-  shippingStreet?: string | null;
-  shippingPackstationNumber?: string | null;
-  shippingPostNumber?: string | null;
-  shippingZip?: string | null;
-  shippingCity?: string | null;
-  shippingCountry?: string | null;
-  paymentMethodTitle: string;
-  items: InvoiceItem[];
-  subtotal: number;
-  shippingCost: number;
-  discountAmount: number;
-  discountCode: string | null;
-  total: number;
-};
-
-export type InvoiceSeller = {
-  sellerName: string;
-  sellerStreet: string;
-  sellerZip: string;
-  sellerCity: string;
-  sellerCountry: string;
-  sellerEmail: string;
-  vatId: string;
-  taxRatePercent: number;
-  bankDetails?: string | null;
-  // Pflichtangaben in Geschäftsbriefen for registered legal forms (§37a
-  // HGB / §35a GmbHG) — optional because a sole proprietorship (the
-  // default legalForm in company-settings) has neither. See
-  // buildLegalFooterLines() in emailTemplates.ts for the same fields'
-  // equivalent treatment in the email footer.
-  registerCourt?: string | null;
-  registerNumber?: string | null;
-  managingDirector?: string | null;
-};
-
-// Used only by /company-settings-preview's Live Preview — a fixed sample
-// order so the admin sees a realistic-looking invoice while editing
-// company-settings fields, without depending on any real order existing.
-export const SAMPLE_INVOICE_ORDER: InvoiceOrder = {
-  orderNumber: "#EP-0001-A7K2",
-  invoiceNumber: "RE-0001",
-  invoiceIssuedAt: new Date().toISOString(),
-  customerFirstName: "Max",
-  customerLastName: "Mustermann",
-  deliveryMethod: "address",
-  street: "Musterweg 5",
-  zip: "10115",
-  city: "Berlin",
-  country: "Deutschland",
-  paymentMethodTitle: "Kreditkarte",
-  items: [
-    { productName: "ToDo-Karten – Set", quantity: 1, unitPrice: 12.9, taxRatePercent: 19, bundleContents: null },
-    { productName: "Wochenplaner – Überblick", quantity: 2, unitPrice: 14.9, taxRatePercent: 19, bundleContents: null },
-  ],
-  subtotal: 42.7,
-  shippingCost: 0,
-  discountAmount: 5,
-  discountCode: "WILLKOMMEN10",
-  total: 37.7,
-};
-
-// "Überweisung" (bank transfer) is the only payment method on this shop
-// that ISN'T settled immediately — Kreditkarte/PayPal both capture at
-// checkout. Rather than hardcode a list of "immediate" method titles
-// (fragile the moment a new one is added in Payload's payment-methods
-// collection), the only method that's ever NOT immediate is named
-// explicitly — everything else defaults to "paid already".
-function isPaidImmediately(paymentMethodTitle: string): boolean {
-  return paymentMethodTitle !== "Überweisung";
-}
-
-// Distributes the order-level discount/shipping proportionally across each
-// item's gross line total before computing that line's net/tax — so the
-// per-rate summary still reconciles exactly to `order.total` even when a
-// discount or shipping cost is present alongside items taxed at different
-// rates. Falls back to the seller's default rate for any line that
-// predates this field (older orders had no per-item snapshot).
-function groupByTaxRate(order: InvoiceOrder, defaultRate: number): { rate: number; net: number; tax: number; gross: number }[] {
-  return computeTaxBreakdown(
-    order.items.map((item) => ({ quantity: item.quantity, unitPrice: item.unitPrice, taxRatePercent: item.taxRatePercent ?? defaultRate })),
-    order.subtotal,
-    order.discountAmount,
-    order.shippingCost,
-  );
-}
-
-// Exported (not just used internally by renderInvoicePdf below) so
-// /company-settings-preview's client component can mount it directly with
-// @react-pdf/renderer's browser-side <PDFViewer> — a live, in-browser
-// rendered PDF that re-renders as the admin edits company-settings fields
-// via Payload's postMessage-based useLivePreview(), no server round-trip
-// needed for each keystroke the way an HTML preview would.
-export function InvoiceDocument({ order, seller }: { order: InvoiceOrder; seller: InvoiceSeller }) {
-  const rateGroups = groupByTaxRate(order, seller.taxRatePercent);
-  const paid = isPaidImmediately(order.paymentMethodTitle);
-  const deliveryLine =
-    order.deliveryMethod === "address" ? order.street : `Packstation ${order.packstationNumber} · Postnummer ${order.postNumber}`;
-  const shippingLine =
-    order.shippingDeliveryMethod === "packstation"
-      ? `Packstation ${order.shippingPackstationNumber} · Postnummer ${order.shippingPostNumber}`
-      : order.shippingStreet;
-  const addressBlockStyle = order.hasDifferentShippingAddress ? styles.addressBlockThird : styles.addressBlock;
-
-  return (
-    <Document>
-      <Page size="A4" style={styles.page}>
-        <View style={styles.headerBand}>
-          <Text style={styles.wordmark}>einfach produktiv.</Text>
-          <Text style={styles.kindLabel}>RECHNUNG</Text>
-        </View>
-
-        <View style={styles.body}>
-          <View style={styles.addressRow}>
-            <View style={addressBlockStyle}>
-              <Text style={styles.addressLabel}>Von</Text>
-              <Text style={styles.addressLine}>{seller.sellerName}</Text>
-              <Text style={styles.addressLine}>{seller.sellerStreet}</Text>
-              <Text style={styles.addressLine}>
-                {seller.sellerZip} {seller.sellerCity}
-              </Text>
-              <Text style={styles.addressLine}>{seller.sellerCountry}</Text>
-            </View>
-            <View style={addressBlockStyle}>
-              <Text style={styles.addressLabel}>An</Text>
-              <Text style={styles.addressLine}>
-                {order.customerFirstName} {order.customerLastName}
-              </Text>
-              <Text style={styles.addressLine}>{deliveryLine}</Text>
-              <Text style={styles.addressLine}>
-                {order.zip} {order.city}
-              </Text>
-              <Text style={styles.addressLine}>{order.country}</Text>
-            </View>
-            {order.hasDifferentShippingAddress && (
-              <View style={addressBlockStyle}>
-                <Text style={styles.addressLabel}>Lieferadresse</Text>
-                <Text style={styles.addressLine}>
-                  {order.shippingFirstName} {order.shippingLastName}
-                </Text>
-                <Text style={styles.addressLine}>{shippingLine}</Text>
-                <Text style={styles.addressLine}>
-                  {order.shippingZip} {order.shippingCity}
-                </Text>
-                <Text style={styles.addressLine}>{order.shippingCountry}</Text>
-              </View>
-            )}
-          </View>
-
-          <View style={styles.metaRow}>
-            <View style={styles.metaBox}>
-              <Text style={styles.metaLabel}>Rechnungs-Nr.</Text>
-              <Text style={styles.metaValue}>{order.invoiceNumber}</Text>
-            </View>
-            <View style={styles.metaBox}>
-              <Text style={styles.metaLabel}>Datum</Text>
-              <Text style={styles.metaValue}>{formatDate(order.invoiceIssuedAt)}</Text>
-            </View>
-            <View style={styles.metaBox}>
-              <Text style={styles.metaLabel}>Bestellnummer</Text>
-              <Text style={styles.metaValue}>{order.orderNumber}</Text>
-            </View>
-            {paid && (
-              <View style={styles.paidBadge}>
-                <Text style={styles.paidBadgeText}>✓ Bereits beglichen ({order.paymentMethodTitle})</Text>
-              </View>
-            )}
-          </View>
-
-          <View style={styles.table}>
-            <View style={styles.tableHeader}>
-              <View style={styles.colImage} />
-              <Text style={[styles.colName, styles.headerCell]}>Artikel</Text>
-              <Text style={[styles.colQty, styles.headerCell]}>Menge</Text>
-              <Text style={[styles.colPrice, styles.headerCell]}>Einzelpreis</Text>
-              <Text style={[styles.colTotal, styles.headerCell]}>Betrag</Text>
-            </View>
-            {order.items.map((item, i) => (
-              <View style={[styles.tableRow, i % 2 === 1 ? styles.tableRowAlt : {}]} key={i}>
-                <View style={styles.colImage}>
-                  {item.imageUrl && <Image src={item.imageUrl} style={styles.itemImage} />}
-                </View>
-                <View style={styles.colName}>
-                  <Text>
-                    {item.productName}
-                    {item.variantName ? ` (${item.variantName})` : ""}
-                  </Text>
-                  {item.bundleContents ? <Text style={styles.bundleLine}>{item.bundleContents}</Text> : null}
-                </View>
-                <Text style={styles.colQty}>{item.quantity}</Text>
-                <Text style={styles.colPrice}>{formatPrice(item.unitPrice)}</Text>
-                <Text style={styles.colTotal}>{formatPrice(item.quantity * item.unitPrice)}</Text>
-              </View>
-            ))}
-          </View>
-
-          <View style={styles.summary}>
-            <View style={styles.summaryBox}>
-              {order.discountAmount > 0 && (
-                <View style={styles.summaryRow}>
-                  <Text style={styles.summaryLabel}>Rabatt{order.discountCode ? ` (${order.discountCode})` : ""}</Text>
-                  <Text style={styles.summaryValue}>-{formatPrice(order.discountAmount)}</Text>
-                </View>
-              )}
-              <View style={styles.summaryRow}>
-                <Text style={styles.summaryLabel}>Versand</Text>
-                <Text style={styles.summaryValue}>{order.shippingCost === 0 ? "Kostenlos" : formatPrice(order.shippingCost)}</Text>
-              </View>
-              {rateGroups.map((g) => (
-                <React.Fragment key={g.rate}>
-                  <View style={styles.summaryRow}>
-                    <Text style={styles.summaryLabel}>Netto</Text>
-                    <Text style={styles.summaryValue}>{formatPrice(g.net)}</Text>
-                  </View>
-                  <View style={styles.summaryRow}>
-                    <Text style={styles.summaryLabel}>zzgl. {g.rate}% MwSt.</Text>
-                    <Text style={styles.summaryValue}>{formatPrice(g.tax)}</Text>
-                  </View>
-                </React.Fragment>
-              ))}
-              <View style={styles.grandTotalRow}>
-                <Text style={styles.grandTotalLabel}>Gesamt</Text>
-                <Text style={styles.grandTotalValue}>{formatPrice(order.total)}</Text>
-              </View>
-            </View>
-          </View>
-
-        </View>
-
-        <View style={styles.footer} fixed>
-          <Text>
-            {seller.sellerName} · {seller.sellerStreet}, {seller.sellerZip} {seller.sellerCity} · {seller.sellerEmail} · USt-IdNr.{" "}
-            {seller.vatId}
-            {seller.registerCourt && seller.registerNumber ? ` · ${seller.registerCourt} · ${seller.registerNumber}` : ""}
-            {seller.managingDirector ? ` · Geschäftsführung: ${seller.managingDirector}` : ""}
-          </Text>
-          {seller.bankDetails ? <Text style={{ marginTop: 4 }}>Bankverbindung (für Überweisung): {seller.bankDetails}</Text> : null}
-        </View>
-      </Page>
-    </Document>
-  );
-}
-
-export async function renderInvoicePdf(order: InvoiceOrder, seller: InvoiceSeller): Promise<Buffer> {
-  return renderToBuffer(<InvoiceDocument order={order} seller={seller} />);
-}
-
-// Exported for unit testing (see app/lib/__tests__/invoicePdf.test.ts) —
-// the actual money math and payment-status logic, independent of PDF
-// rendering.
-export const __testables = { isPaidImmediately, groupByTaxRate };
diff --git a/app/lib/taxBreakdown.ts b/app/lib/taxBreakdown.ts
deleted file mode 100644
index b659b9a..0000000
--- a/app/lib/taxBreakdown.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-// Previously duplicated as groupByTaxRate() independently inside
-// invoicePdf.tsx and correctionInvoicePdf.tsx (and, on the Payload backend,
-// their own copies) — pulled out so the storefront's own MwSt. breakdowns
-// (checkout summary, order confirmation page/email, account order pages)
-// can share the exact same math instead of a fourth hand-rolled version
-// drifting out of sync with what the actual invoices say.
-
-export type TaxBreakdownLine = { quantity: number; unitPrice: number; taxRatePercent: number };
-export type TaxBreakdownGroup = { rate: number; net: number; tax: number; gross: number };
-
-// Groups line items by their effective VAT rate, then scales each group's
-// gross total by however much shipping/discount moved the grand total away
-// from the raw item subtotal — proportional to that group's own share of
-// the subtotal, not a flat split. Passing discountAmount=0 and
-// shippingCost=0 (e.g. a Gutschrift, which excludes both) collapses `scale`
-// to 1, i.e. no adjustment at all.
-export function computeTaxBreakdown(
-  items: TaxBreakdownLine[],
-  subtotal: number,
-  discountAmount: number,
-  shippingCost: number,
-): TaxBreakdownGroup[] {
-  const groups = new Map<number, number>();
-  for (const item of items) {
-    const lineGross = item.quantity * item.unitPrice;
-    groups.set(item.taxRatePercent, (groups.get(item.taxRatePercent) ?? 0) + lineGross);
-  }
-  const scale = subtotal > 0 ? (subtotal - discountAmount + shippingCost) / subtotal : 1;
-  return Array.from(groups.entries())
-    .map(([rate, lineGross]) => {
-      const gross = lineGross * scale;
-      const net = gross / (1 + rate / 100);
-      return { rate, net, tax: gross - net, gross };
-    })
-    .sort((a, b) => b.rate - a.rate);
-}
diff --git a/next.config.ts b/next.config.ts
index 9a5061a..d52b075 100644
--- a/next.config.ts
+++ b/next.config.ts
@@ -2,6 +2,10 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   output: "standalone",
+  // Ships as raw TS/TSX source (no build step of its own) — this app's own
+  // bundler needs to transpile it, same as first-party app code, rather
+  // than assuming it's pre-built JS like a normal npm package.
+  transpilePackages: ["@einfach-produktiv/invoicing"],
   images: {
     remotePatterns: [
       {
diff --git a/package-lock.json b/package-lock.json
index 53c1065..321c1ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,7 @@
       "name": "einfach-produktiv",
       "version": "0.1.0",
       "dependencies": {
+        "@einfach-produktiv/invoicing": "git+https://git.mk360.de/Marco/einfach-produktiv-invoicing.git#main",
         "@payloadcms/live-preview-react": "^3.85.2",
         "@react-pdf/renderer": "^4.5.1",
         "motion": "^12.42.2",
@@ -291,6 +292,14 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@einfach-produktiv/invoicing": {
+      "version": "0.1.0",
+      "resolved": "git+https://git.mk360.de/Marco/einfach-produktiv-invoicing.git#9336cfd0ba7faf1148fd56e7254e52fc016b9130",
+      "peerDependencies": {
+        "@react-pdf/renderer": "^4.0.0",
+        "react": "^19.0.0"
+      }
+    },
     "node_modules/@emnapi/core": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.10.0.tgz",
@@ -304,9 +313,9 @@
       }
     },
     "node_modules/@emnapi/runtime": {
-      "version": "1.11.1",
-      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.11.1.tgz",
-      "integrity": "sha512-vgj7R3y3Wgx24IQaGPA/R6YFXLHVMOZ0uVEyIQPaWs+rd1AzfEMXlAC22FYwO1XkKR6NPsq7mUandH8oIRdZFw==",
+      "version": "1.11.2",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.11.2.tgz",
+      "integrity": "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA==",
       "license": "MIT",
       "optional": true,
       "dependencies": {
@@ -325,9 +334,9 @@
       }
     },
     "node_modules/@eslint-community/eslint-utils": {
-      "version": "4.9.1",
-      "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.9.1.tgz",
-      "integrity": "sha512-phrYmNiYppR7znFEdqgfWHXR6NCkZEK7hwWDHZUjit/2/U0r6XvkDl0SYnoM51Hq7FhCGdLDT6zxCCOY1hexsQ==",
+      "version": "4.10.1",
+      "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.10.1.tgz",
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diff --git a/package.json b/package.json
index 92c8d73..2a672a3 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "test:unit": "vitest run"
   },
   "dependencies": {
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     "@payloadcms/live-preview-react": "^3.85.2",
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