Phase7b: Manual Invoice

src/app/[locale]/admin/billing/invoice-drafts/[id]/page.tsx

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+import { notFound, redirect } from "next/navigation";
+import { getTranslations } from "next-intl/server";
+import { getSessionUser } from "@/lib/session";
+import { getInvoiceDraftById, getOrgBilling } from "@/lib/db";
+import { BackLink } from "@/components/ui/back-link";
+import { CustomInvoiceEditor } from "@/components/admin/billing/custom-invoice-editor";
+
+/**
+ * /admin/billing/invoice-drafts/[id] — full editor for an
+ * in-progress custom invoice.
+ *
+ * Phase 8. Server-loads the draft + the org's billing snapshot
+ * (used to display the bill-to block preview), then hands off to
+ * the client editor for the interactive line-management UI.
+ *
+ * The snapshot is loaded read-only for display. The actual VAT
+ * computation happens server-side at issue time via
+ * computeCustomInvoiceTotals, which re-reads the same snapshot.
+ * That two-time read is intentional: the editor's preview math
+ * is a hint, the issue-time read is authoritative — if the
+ * customer updates their billing address between Draft and Issue,
+ * the invoice reflects the new address.
+ */
+export default async function InvoiceDraftEditorPage({
+  params,
+}: {
+  params: Promise<{ id: string }>;
+}) {
+  const user = await getSessionUser();
+  if (!user) redirect("/login");
+  if (!user.isPlatform) redirect("/dashboard");
+  const t = await getTranslations("adminBilling");
+
+  const { id } = await params;
+  const draft = await getInvoiceDraftById(id);
+  if (!draft) notFound();
+  const orgBilling = await getOrgBilling(draft.zitadelOrgId).catch(() => null);
+
+  return (
+    <main className="max-w-5xl mx-auto px-6 py-8">
+      <BackLink
+        href="/admin/billing/invoice-drafts"
+        label={t("backToDrafts")}
+      />
+      <div className="mb-6">
+        <h1 className="font-display text-2xl font-semibold accent-rule">
+          {t("editorPageTitle")}
+        </h1>
+        <p className="text-sm text-text-secondary mt-3">
+          {orgBilling?.companyName ?? draft.zitadelOrgId}
+        </p>
+      </div>
+      <CustomInvoiceEditor
+        draft={draft}
+        orgBilling={orgBilling}
+      />
+    </main>
+  );
+}

src/app/[locale]/admin/billing/invoice-drafts/page.tsx

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+import { redirect } from "next/navigation";
+import { getTranslations } from "next-intl/server";
+import { getSessionUser } from "@/lib/session";
+import { listAllInvoiceDrafts } from "@/lib/db";
+import { listTenants } from "@/lib/k8s";
+import { BackLink } from "@/components/ui/back-link";
+import { DraftList } from "@/components/admin/billing/draft-list";
+
+/**
+ * /admin/billing/invoice-drafts — list of all open custom-invoice
+ * drafts across orgs.
+ *
+ * Phase 8. Each draft is a JSONB blob the admin is composing into
+ * an invoice; visible only to platform admins. From here the admin
+ * can resume editing or discard.
+ *
+ * Building an org-name map by reading tenant labels (same approach
+ * as the existing /admin/billing/orgs endpoint) so the table can
+ * show "Customer X" instead of a raw ZITADEL org id.
+ */
+export default async function AdminInvoiceDraftsPage() {
+  const user = await getSessionUser();
+  if (!user) redirect("/login");
+  if (!user.isPlatform) redirect("/dashboard");
+  const t = await getTranslations("adminBilling");
+
+  const [drafts, tenants] = await Promise.all([
+    listAllInvoiceDrafts(),
+    listTenants().catch(() => []),
+  ]);
+
+  // Build org-id → company-name map from tenant labels. Same shape
+  // the existing /api/admin/billing/orgs uses. Falls back to the
+  // raw org id when we don't have a tenant label match.
+  const orgNameMap: Record<string, string> = {};
+  for (const t of tenants) {
+    const oid = t.metadata.labels?.["pieced.ch/zitadel-org-id"];
+    const company = t.spec?.billing?.companyName;
+    if (oid && company && !orgNameMap[oid]) {
+      orgNameMap[oid] = company;
+    }
+  }
+
+  return (
+    <main className="max-w-5xl mx-auto px-6 py-8">
+      <BackLink href="/admin/billing" label={t("backToBilling")} />
+      <div className="mb-6">
+        <h1 className="font-display text-2xl font-semibold accent-rule">
+          {t("draftsPageTitle")}
+        </h1>
+        <p className="text-sm text-text-secondary mt-3">
+          {t("draftsPageSubtitle")}
+        </p>
+      </div>
+      <DraftList drafts={drafts} orgNameMap={orgNameMap} />
+    </main>
+  );
+}

src/app/[locale]/admin/billing/invoices/new/page.tsx

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+import { redirect } from "next/navigation";
+import { getTranslations } from "next-intl/server";
+import { getSessionUser } from "@/lib/session";
+import { listTenants } from "@/lib/k8s";
+import { getOrgBilling } from "@/lib/db";
+import { BackLink } from "@/components/ui/back-link";
+import { NewInvoiceForm } from "@/components/admin/billing/new-invoice-form";
+
+/**
+ * /admin/billing/invoices/new — entry point for the custom-invoice
+ * flow. The admin picks an org, clicks Continue, and lands on the
+ * editor at /admin/billing/invoice-drafts/<new-id>.
+ *
+ * Phase 8. Org list is built from tenant labels + each org's
+ * billing config (we need the company name and the
+ * has-billing-snapshot flag to gate the picker — orgs without a
+ * snapshot can't be invoiced until they complete onboarding or
+ * admin sets the billing info manually).
+ */
+export default async function NewInvoicePage() {
+  const user = await getSessionUser();
+  if (!user) redirect("/login");
+  if (!user.isPlatform) redirect("/dashboard");
+  const t = await getTranslations("adminBilling");
+
+  // Tenants give us org membership; getOrgBilling per org gives us
+  // the snapshot status. We dedupe by org id since one org can own
+  // many tenants.
+  const tenants = await listTenants();
+  const orgIds = new Set<string>();
+  for (const tnt of tenants) {
+    const oid = tnt.metadata.labels?.["pieced.ch/zitadel-org-id"];
+    if (oid) orgIds.add(oid);
+  }
+  const orgs = await Promise.all(
+    Array.from(orgIds).map(async (oid) => {
+      const billing = await getOrgBilling(oid).catch(() => null);
+      return {
+        zitadelOrgId: oid,
+        companyName: billing?.companyName ?? null,
+        country: billing?.country ?? null,
+        hasBillingAddress: !!billing && !!billing.companyName,
+      };
+    })
+  );
+  // Sort: orgs with billing first (admin's most likely target),
+  // then alphabetically by company name.
+  orgs.sort((a, b) => {
+    if (a.hasBillingAddress !== b.hasBillingAddress) {
+      return a.hasBillingAddress ? -1 : 1;
+    }
+    return (a.companyName ?? "").localeCompare(b.companyName ?? "");
+  });
+
+  return (
+    <main className="max-w-2xl mx-auto px-6 py-8">
+      <BackLink
+        href="/admin/billing/invoices"
+        label={t("backToInvoices")}
+      />
+      <div className="mb-6">
+        <h1 className="font-display text-2xl font-semibold accent-rule">
+          {t("newInvoicePageTitle")}
+        </h1>
+        <p className="text-sm text-text-secondary mt-3">
+          {t("newInvoicePageSubtitle")}
+        </p>
+      </div>
+      <NewInvoiceForm orgs={orgs} />
+    </main>
+  );
+}