feat(customers): carry contact person and invoice copy recipients through migration (#1392)

* feat(customers): carry contact person and invoice copy recipients through migration

Extends the arcim-migration entity mapper, Fortnox provider mapper, canonical
DTOs, customer APIs (web + v1) and invoice send flows so contact person and
customer-level invoice CC/BCC addresses survive provider migrations. NULL
means unconfigured and empty means an explicit clear, so re-syncs enrich
legacy gaps without resurrecting deliberately removed values. Fortnox fixed
assets are split into a dedicated follow-up issue.

Fixes #1345

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* chore(db): bump customer metadata migration past pack-slug version

Main already contains 20260803230000; keep new versions strictly newest so
Supabase branching applies them in order.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(customers): complete Customer type consumers and make enrichment payload resolvable

The preview-pdf mock customer and the makeCustomer fixture now carry the
three new metadata fields, fixing the type-check failure in Build (zero
extensions) and Vercel.

The enrichment update in the migration orchestrator now spells its payload
as an object literal typed CustomerMetadataEnrichment (absent keys drop at
serialization), so the phantom-column guard resolves the columns instead of
counting another unresolvable dynamic payload past its ceiling. The cc/bcc
guards also verify element types instead of casting.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

app/api/customers/[id]/route.ts

@@ -100,8 +100,15 @@ export const PATCH = withRouteContext(
     if (body.customer_type !== undefined) updateData.customer_type = body.customer_type
     // Empty string clears the customer number, same as an explicit null.
     if (body.customer_number !== undefined) updateData.customer_number = body.customer_number || null
+    if (body.contact_person !== undefined) updateData.contact_person = body.contact_person
     if (body.email !== undefined) updateData.email = body.email
     if (body.phone !== undefined) updateData.phone = body.phone
+    if (body.invoice_email_cc_addresses !== undefined) {
+      updateData.invoice_email_cc_addresses = body.invoice_email_cc_addresses
+    }
+    if (body.invoice_email_bcc_addresses !== undefined) {
+      updateData.invoice_email_bcc_addresses = body.invoice_email_bcc_addresses
+    }
     if (body.address_line1 !== undefined) updateData.address_line1 = body.address_line1
     if (body.address_line2 !== undefined) updateData.address_line2 = body.address_line2
     if (body.postal_code !== undefined) updateData.postal_code = body.postal_code

app/api/customers/__tests__/customer-number.test.ts

@@ -57,7 +57,12 @@ vi.mock('@/lib/init', () => ({ ensureInitialized: vi.fn() }))
 import { POST } from '../route'
 import { PATCH } from '../[id]/route'
 
-type CustomerRow = { customer_number?: string | null }
+type CustomerRow = {
+  customer_number?: string | null
+  contact_person?: string | null
+  invoice_email_cc_addresses?: string[] | null
+  invoice_email_bcc_addresses?: string[] | null
+}
 
 describe('customer_number on POST /api/customers', () => {
   beforeEach(() => {
@@ -145,6 +150,49 @@ describe('customer_number on POST /api/customers', () => {
     expect(status).toBe(200)
     expect((captured.insert[0] as CustomerRow).customer_number).toBeNull()
   })
+
+  it('stores customer invoice contact metadata on create', async () => {
+    queryResult = {
+      data: { id: 'cust-1', name: 'Test AB', customer_type: 'swedish_business' },
+      error: null,
+    }
+    const request = createMockRequest('/api/customers', {
+      method: 'POST',
+      body: {
+        name: 'Test AB',
+        customer_type: 'swedish_business',
+        contact_person: 'Anna Andersson',
+        invoice_email_cc_addresses: ['finance@example.test'],
+        invoice_email_bcc_addresses: ['archive@example.test'],
+      },
+    })
+
+    const response = await POST(request, { params: Promise.resolve({}) })
+    expect((await parseJsonResponse(response)).status).toBe(200)
+    expect(captured.insert[0]).toMatchObject({
+      contact_person: 'Anna Andersson',
+      invoice_email_cc_addresses: ['finance@example.test'],
+      invoice_email_bcc_addresses: ['archive@example.test'],
+    })
+  })
+
+  it('rejects more than 19 customer invoice copy recipients', async () => {
+    const request = createMockRequest('/api/customers', {
+      method: 'POST',
+      body: {
+        name: 'Test AB',
+        customer_type: 'swedish_business',
+        invoice_email_cc_addresses: Array.from(
+          { length: 20 },
+          (_, index) => `copy-${index}@example.test`,
+        ),
+      },
+    })
+
+    const response = await POST(request, { params: Promise.resolve({}) })
+    expect((await parseJsonResponse(response)).status).toBe(400)
+    expect(captured.insert).toHaveLength(0)
+  })
 })
 
 describe('customer_number on PATCH /api/customers/[id]', () => {
@@ -227,4 +275,23 @@ describe('customer_number on PATCH /api/customers/[id]', () => {
     expect(status).toBe(200)
     expect(captured.update[0]).not.toHaveProperty('customer_number')
   })
+
+  it('updates customer invoice contact metadata', async () => {
+    const request = createMockRequest('/api/customers/cust-1', {
+      method: 'PATCH',
+      body: {
+        contact_person: '',
+        invoice_email_cc_addresses: [],
+        invoice_email_bcc_addresses: ['archive@example.test'],
+      },
+    })
+
+    const response = await PATCH(request, routeParams)
+    expect((await parseJsonResponse(response)).status).toBe(200)
+    expect(captured.update[0]).toMatchObject({
+      contact_person: '',
+      invoice_email_cc_addresses: [],
+      invoice_email_bcc_addresses: ['archive@example.test'],
+    })
+  })
 })

app/api/customers/route.ts

@@ -65,8 +65,11 @@ export const POST = withRouteContext(
         name: body.name,
         customer_type: body.customer_type,
         customer_number: body.customer_number || null,
+        contact_person: body.contact_person ?? null,
         email: body.email,
         phone: body.phone,
+        invoice_email_cc_addresses: body.invoice_email_cc_addresses ?? null,
+        invoice_email_bcc_addresses: body.invoice_email_bcc_addresses ?? null,
         address_line1: body.address_line1,
         address_line2: body.address_line2,
         postal_code: body.postal_code,