ADD: adden rechnungne ohne ust id und logout button

prisma/migrations/20260311214225_add_kleinunternehmer_to_invoice/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE `invoices` ADD COLUMN `kleinunternehmer` BOOLEAN NOT NULL DEFAULT false;

prisma/migrations/20260311221959_add_kleinunternehmer_to_company/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE `companies` ADD COLUMN `kleinunternehmer` BOOLEAN NOT NULL DEFAULT false;

prisma/schema.prisma

@@ -3,8 +3,9 @@ generator client {
 }
 
 datasource db {
-  provider = "mysql"
-  url      = env("DATABASE_URL")
+  provider          = "mysql"
+  url               = env("DATABASE_URL")
+  shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
 }
 
 model User {
@@ -37,6 +38,7 @@ model Company {
   bankName        String?
   invoicePrefix   String     @default("RE")
   invoiceSequence Int        @default(0)
+  kleinunternehmer Boolean   @default(false)
   userId          String
   user            User       @relation(fields: [userId], references: [id], onDelete: Cascade)
   customers       Customer[]
@@ -76,8 +78,9 @@ model Invoice {
   issueDate    DateTime
   deliveryDate DateTime?
   dueDate      DateTime
-  status       InvoiceStatus @default(DRAFT)
-  notes        String?       @db.Text
+  status          InvoiceStatus @default(DRAFT)
+  kleinunternehmer Boolean       @default(false)
+  notes           String?        @db.Text
   items        InvoiceItem[]
   netTotal     Decimal       @db.Decimal(10, 2)
   taxTotal     Decimal       @db.Decimal(10, 2)

prisma/seed.ts

@@ -51,7 +51,6 @@ async function main() {
       id: "demo-customer-1",
       companyId: company.id,
       name: "Beispiel AG",
-      vatId: "DE987654321",
       address: "Beispielweg 5",
       zip: "20095",
       city: "Hamburg",
@@ -61,8 +60,11 @@ async function main() {
   console.log(`✓ Customer created: ${customer.name}`);
 
   // Create demo invoice
-  const invoice = await prisma.invoice.create({
-    data: {
+  const invoice = await prisma.invoice.upsert({
+    where: { id: "demo-invoice-1" },
+    update: {},
+    create: {
+      id: "demo-invoice-1",
       number: "RE-2024-001",
       companyId: company.id,
       customerId: customer.id,