feat(backend): complete AI and business migration

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

@@ -1,40 +1,20 @@
-import { createClient } from "@/lib/supabase/server";
+import { requireFreelancerBackend } from "@/server/web/freelancer";
 import { ProposalsClient, type ProposalRow } from "./proposals-client";
 
 export default async function ProposalsPage() {
-  const supabase = await createClient();
-  const { data: { user } } = await supabase.auth.getUser();
-
-  if (!user) {
-    return null;
-  }
-
-  const { data: proposalsData } = await supabase
-    .from("proposals")
-    .select(`
-      id,
-      title,
-      amount,
-      currency,
-      status,
-      valid_until,
-      created_at,
-      clients ( name ),
-      projects ( name )
-    `)
-    .eq("user_id", user.id)
-    .order("created_at", { ascending: false });
-
-  const proposals: ProposalRow[] = (proposalsData || []).map((p: any) => ({
-    id: p.id,
-    title: p.title,
-    amount: Number(p.amount),
-    currency: p.currency,
-    status: p.status,
-    valid_until: p.valid_until,
-    created_at: p.created_at,
-    clientName: p.clients?.name || null,
-    projectName: p.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 proposals: ProposalRow[] = service.listProposals(actor).map((proposal) => ({
+    id: proposal.id,
+    title: proposal.title,
+    amount: proposal.amountMinor / 100,
+    currency: proposal.currency,
+    status: proposal.status,
+    valid_until: proposal.validUntil?.toISOString() ?? null,
+    created_at: proposal.createdAt.toISOString(),
+    clientName: proposal.clientId ? clientNames.get(proposal.clientId) ?? null : null,
+    projectName: proposal.projectId ? projectNames.get(proposal.projectId) ?? null : null,
   }));
 
   return <ProposalsClient proposals={proposals} />;