feat(backend): complete AI and business migration

app/(dashboard)/business/invoices/page.tsx

@@ -1,42 +1,21 @@
-import { createClient } from "@/lib/supabase/server";
+import { requireFreelancerBackend } from "@/server/web/freelancer";
 import { InvoicesClient, type InvoiceRow } from "./invoices-client";
 
 export default async function InvoicesPage() {
-  const supabase = await createClient();
-  const { data: { user } } = await supabase.auth.getUser();
-
-  if (!user) {
-    return null;
-  }
-
-  const { data: invoicesData } = await supabase
-    .from("invoices")
-    .select(`
-      id,
-      invoice_number,
-      amount,
-      currency,
-      status,
-      issue_date,
-      due_date,
-      created_at,
-      clients ( name ),
-      projects ( name )
-    `)
-    .eq("user_id", user.id)
-    .order("created_at", { ascending: false });
-
-  const invoices: InvoiceRow[] = (invoicesData || []).map((i: any) => ({
-    id: i.id,
-    invoice_number: i.invoice_number,
-    amount: Number(i.amount),
-    currency: i.currency,
-    status: i.status,
-    issue_date: i.issue_date,
-    due_date: i.due_date,
-    created_at: i.created_at,
-    clientName: i.clients?.name || null,
-    projectName: i.projects?.name || null,
+  const { actor, service } = await requireFreelancerBackend();
+  const clientNames = new Map(service.listClients(actor).map((client) => [client.id, client.name]));
+  const projectNames = new Map(service.listProjects(actor).map((project) => [project.id, project.name]));
+  const invoices: InvoiceRow[] = service.listInvoices(actor).map((invoice) => ({
+    id: invoice.id,
+    invoice_number: invoice.invoiceNumber,
+    amount: invoice.amountMinor / 100,
+    currency: invoice.currency,
+    status: invoice.status,
+    issue_date: invoice.issueDate,
+    due_date: invoice.dueDate,
+    created_at: invoice.createdAt.toISOString(),
+    clientName: invoice.clientId ? clientNames.get(invoice.clientId) ?? null : null,
+    projectName: invoice.projectId ? projectNames.get(invoice.projectId) ?? null : null,
   }));
 
   return <InvoicesClient invoices={invoices} />;