feat(invoices): remove client-facing PDF generation

Phase 1 / commit 11 of 14 — invoices are client-facing documents, and
per the new "no CRM-generated client-facing PDFs" rule (see the design
spec), the in-app pdfme rendering is removed entirely.

Future invoice rendering will use the deferred AcroForm-fill admin-
template feature: admin uploads a PDF template with named form fields,
CRM fills them with invoice data via pdf-lib. Same pattern as the
in-app EOI pathway. Tracked in BACKLOG.md.

Deleted:
  - src/lib/services/invoices.ts:generateInvoicePdf (60 LOC)
  - src/lib/pdf/templates/invoice-template.ts (entire pdfme template)
  - src/app/api/v1/invoices/[id]/generate-pdf/route.ts
  - src/components/invoices/invoice-pdf-preview.tsx (regenerate UI)
  - "PDF Preview" tab on invoice detail page
  - 5 now-unused imports in invoices.ts (files, ports, buildStoragePath,
    getStorageBackend, env)

sendInvoice() retained: still queues the send-invoice email job, still
flips status to "sent", still emits the socket event. The PDF-attach
step is gone — downstream consumers either render externally or wait
for the AcroForm-fill feature. The `pdfFileId` column on invoices stays
so existing rows don't break, just never gets written by this code path.

1319/1319 vitest green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/api/v1/invoices/[id]/generate-pdf/route.ts

@@ -1,21 +0,0 @@
-import { NextResponse } from 'next/server';
-
-import { withAuth, withPermission } from '@/lib/api/helpers';
-import { errorResponse } from '@/lib/errors';
-import { generateInvoicePdf } from '@/lib/services/invoices';
-
-export const POST = withAuth(
-  withPermission('invoices', 'edit', async (_req, ctx, params) => {
-    try {
-      const fileRecord = await generateInvoicePdf(params.id!, ctx.portId, {
-        userId: ctx.userId,
-        portId: ctx.portId,
-        ipAddress: ctx.ipAddress,
-        userAgent: ctx.userAgent,
-      });
-      return NextResponse.json({ data: fileRecord });
-    } catch (error) {
-      return errorResponse(error);
-    }
-  }),
-);

src/components/invoices/invoice-detail.tsx

@@ -23,7 +23,6 @@ import {
   SelectValue,
 } from '@/components/ui/select';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
-import { InvoicePdfPreview } from './invoice-pdf-preview';
 import { apiFetch } from '@/lib/api/client';
 import { toastError } from '@/lib/api/toast-error';
 import { useMobileChrome } from '@/components/layout/mobile/mobile-layout-provider';
@@ -218,7 +217,6 @@ export function InvoiceDetail({ invoiceId }: InvoiceDetailProps) {
         <TabsList>
           <TabsTrigger value="overview">Overview</TabsTrigger>
           <TabsTrigger value="expenses">Linked Expenses</TabsTrigger>
-          <TabsTrigger value="pdf">PDF Preview</TabsTrigger>
           <TabsTrigger value="payment">Payment</TabsTrigger>
         </TabsList>
 
@@ -360,11 +358,6 @@ export function InvoiceDetail({ invoiceId }: InvoiceDetailProps) {
           )}
         </TabsContent>
 
-        {/* PDF Preview */}
-        <TabsContent value="pdf" className="pt-4">
-          <InvoicePdfPreview invoiceId={invoiceId} pdfFileId={invoice.pdfFileId} />
-        </TabsContent>
-
         {/* Payment */}
         <TabsContent value="payment" className="pt-4">
           {invoice.status === 'paid' ? (

src/components/invoices/invoice-pdf-preview.tsx

@@ -1,104 +0,0 @@
-'use client';
-
-import { useState } from 'react';
-import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
-import { Loader2, RefreshCw, FileText } from 'lucide-react';
-
-import { Button } from '@/components/ui/button';
-import { apiFetch } from '@/lib/api/client';
-
-interface InvoicePdfPreviewProps {
-  invoiceId: string;
-  pdfFileId?: string | null;
-}
-
-export function InvoicePdfPreview({
-  invoiceId,
-  pdfFileId: initialPdfFileId,
-}: InvoicePdfPreviewProps) {
-  const queryClient = useQueryClient();
-  const [pdfFileId, setPdfFileId] = useState(initialPdfFileId);
-
-  const { data: previewData, isLoading: previewLoading } = useQuery<{
-    url: string;
-    mimeType: string;
-  }>({
-    queryKey: ['file-preview', pdfFileId],
-    queryFn: () => apiFetch(`/api/v1/files/${pdfFileId}/preview`),
-    enabled: !!pdfFileId,
-  });
-
-  const regenerateMutation = useMutation({
-    mutationFn: () =>
-      apiFetch<{ data?: { id?: string } }>(`/api/v1/invoices/${invoiceId}/generate-pdf`, {
-        method: 'POST',
-      }),
-    onSuccess: (data) => {
-      const fileId = data?.data?.id;
-      if (fileId) {
-        setPdfFileId(fileId);
-        queryClient.invalidateQueries({ queryKey: ['invoices', invoiceId] });
-        queryClient.invalidateQueries({ queryKey: ['file-preview', fileId] });
-      }
-    },
-  });
-
-  if (!pdfFileId) {
-    return (
-      <div className="flex flex-col items-center justify-center gap-4 py-12 border border-dashed rounded-md">
-        <FileText className="h-10 w-10 text-muted-foreground" />
-        <p className="text-sm text-muted-foreground">No PDF generated yet</p>
-        <Button
-          variant="outline"
-          size="sm"
-          onClick={() => regenerateMutation.mutate()}
-          disabled={regenerateMutation.isPending}
-        >
-          {regenerateMutation.isPending ? (
-            <Loader2 className="mr-1.5 h-4 w-4 animate-spin" />
-          ) : (
-            <RefreshCw className="mr-1.5 h-4 w-4" />
-          )}
-          Generate PDF
-        </Button>
-      </div>
-    );
-  }
-
-  return (
-    <div className="space-y-3">
-      <div className="flex items-center justify-end">
-        <Button
-          variant="outline"
-          size="sm"
-          onClick={() => regenerateMutation.mutate()}
-          disabled={regenerateMutation.isPending}
-        >
-          {regenerateMutation.isPending ? (
-            <Loader2 className="mr-1.5 h-4 w-4 animate-spin" />
-          ) : (
-            <RefreshCw className="mr-1.5 h-4 w-4" />
-          )}
-          Regenerate PDF
-        </Button>
-      </div>
-
-      {previewLoading ? (
-        <div className="flex items-center justify-center py-12">
-          <Loader2 className="h-6 w-6 animate-spin text-muted-foreground" />
-        </div>
-      ) : previewData?.url ? (
-        <iframe
-          src={previewData.url}
-          className="w-full rounded border"
-          style={{ height: '600px' }}
-          title="Invoice PDF"
-        />
-      ) : (
-        <div className="flex items-center justify-center py-12 border rounded">
-          <p className="text-sm text-muted-foreground">Unable to load PDF preview</p>
-        </div>
-      )}
-    </div>
-  );
-}

src/lib/pdf/templates/invoice-template.ts

@@ -1,124 +0,0 @@
-import type { Template } from '@pdfme/common';
-
-import { formatCurrency } from '@/lib/utils/currency';
-
-export const invoiceTemplate: Template = {
-  basePdf: 'BLANK_PDF' as unknown as string,
-  schemas: [
-    [
-      // Header fields
-      {
-        name: 'portName',
-        type: 'text',
-        position: { x: 20, y: 15 },
-        width: 100,
-        height: 10,
-        fontSize: 16,
-      },
-      {
-        name: 'invoiceTitle',
-        type: 'text',
-        position: { x: 140, y: 15 },
-        width: 50,
-        height: 10,
-        fontSize: 16,
-      },
-      {
-        name: 'invoiceNumber',
-        type: 'text',
-        position: { x: 140, y: 27 },
-        width: 50,
-        height: 6,
-        fontSize: 10,
-      },
-      {
-        name: 'invoiceDate',
-        type: 'text',
-        position: { x: 140, y: 35 },
-        width: 50,
-        height: 6,
-        fontSize: 10,
-      },
-      {
-        name: 'dueDate',
-        type: 'text',
-        position: { x: 140, y: 43 },
-        width: 50,
-        height: 6,
-        fontSize: 10,
-      },
-      // Client info
-      {
-        name: 'clientInfo',
-        type: 'text',
-        position: { x: 20, y: 55 },
-        width: 100,
-        height: 20,
-        fontSize: 10,
-      },
-      // Line items as text block
-      {
-        name: 'lineItems',
-        type: 'text',
-        position: { x: 20, y: 85 },
-        width: 170,
-        height: 120,
-        fontSize: 9,
-      },
-      // Totals
-      {
-        name: 'totals',
-        type: 'text',
-        position: { x: 110, y: 215 },
-        width: 80,
-        height: 30,
-        fontSize: 10,
-      },
-      // Notes
-      {
-        name: 'notes',
-        type: 'text',
-        position: { x: 20, y: 250 },
-        width: 170,
-        height: 20,
-        fontSize: 8,
-      },
-    ],
-  ],
-};
-
-export function buildInvoiceInputs(
-  invoice: Record<string, unknown>,
-  lineItems: Record<string, unknown>[],
-  port: Record<string, unknown>,
-): Record<string, string> {
-  const currency = (invoice.currency as string) ?? 'USD';
-  const itemLines = lineItems
-    .map(
-      (li, i) =>
-        `${i + 1}. ${li.description}  |  Qty: ${li.quantity}  |  Unit: ${formatCurrency(Number(li.unitPrice), currency)}  |  Total: ${formatCurrency(Number(li.total), currency)}`,
-    )
-    .join('\n');
-
-  let totalsText = `Subtotal: ${formatCurrency(Number(invoice.subtotal), currency)}`;
-  if (Number(invoice.discountAmount) > 0) {
-    totalsText += `\nDiscount (${invoice.discountPct}%): -${formatCurrency(Number(invoice.discountAmount), currency)}`;
-  }
-  if (Number(invoice.feeAmount) > 0) {
-    totalsText += `\nFee (${invoice.feePct}%): +${formatCurrency(Number(invoice.feeAmount), currency)}`;
-  }
-  totalsText += `\n─────────────\nTOTAL: ${formatCurrency(Number(invoice.total), currency)}`;
-
-  return {
-    portName: (port?.name as string) ?? 'Port Nimara',
-    invoiceTitle: 'INVOICE',
-    invoiceNumber: invoice.invoiceNumber as string,
-    invoiceDate: `Date: ${new Date(invoice.createdAt as string | Date).toLocaleDateString('en-GB')}`,
-    dueDate: `Due: ${invoice.dueDate}`,
-    clientInfo:
-      `${invoice.clientName}\n${invoice.billingEmail ?? ''}\n${invoice.billingAddress ?? ''}`.trim(),
-    lineItems: itemLines || 'No line items',
-    totals: totalsText,
-    notes: invoice.notes ? `Notes: ${invoice.notes}` : '',
-  };
-}

src/lib/services/invoices.ts

@@ -3,8 +3,6 @@ import type { PgColumn } from 'drizzle-orm/pg-core';
 
 import { db } from '@/lib/db';
 import { invoices, invoiceLineItems, invoiceExpenses, expenses } from '@/lib/db/schema/financial';
-import { files } from '@/lib/db/schema/documents';
-import { ports } from '@/lib/db/schema/ports';
 import { systemSettings } from '@/lib/db/schema/system';
 import { clients, clientAddresses } from '@/lib/db/schema/clients';
 import { companies, companyAddresses } from '@/lib/db/schema/companies';
@@ -17,12 +15,7 @@ import { getCountryName } from '@/lib/i18n/countries';
 import { getSubdivisionName } from '@/lib/i18n/subdivisions';
 import { emitToRoom } from '@/lib/socket/server';
 import { logger } from '@/lib/logger';
-import { generatePdf } from '@/lib/pdf/generate';
-import { invoiceTemplate, buildInvoiceInputs } from '@/lib/pdf/templates/invoice-template';
-import { buildStoragePath } from '@/lib/minio';
-import { getStorageBackend } from '@/lib/storage';
 import { getQueue } from '@/lib/queue';
-import { env } from '@/lib/env';
 import type {
   CreateInvoiceInput,
   UpdateInvoiceInput,
@@ -588,83 +581,17 @@ export async function deleteInvoice(id: string, portId: string, meta: AuditMeta)
   });
 }
 
-// ─── Generate PDF ─────────────────────────────────────────────────────────
-
-export async function generateInvoicePdf(id: string, portId: string, meta: AuditMeta) {
-  const invoice = await getInvoiceById(id, portId);
-
-  const [port] = await db
-    .select({ id: ports.id, name: ports.name, slug: ports.slug })
-    .from(ports)
-    .where(eq(ports.id, portId))
-    .limit(1);
-
-  const inputs = buildInvoiceInputs(invoice, invoice.lineItems, port ?? {});
-
-  const pdfBytes = await generatePdf(invoiceTemplate, [inputs]);
-
-  const fileId = crypto.randomUUID();
-  const storagePath = buildStoragePath(port?.slug ?? portId, 'invoices', id, fileId, 'pdf');
-
-  const buffer = Buffer.from(pdfBytes);
-  const backend = await getStorageBackend();
-  await backend.put(storagePath, buffer, {
-    contentType: 'application/pdf',
-    sizeBytes: buffer.length,
-  });
-
-  const [fileRecord] = await db
-    .insert(files)
-    .values({
-      portId,
-      filename: `invoice-${invoice.invoiceNumber}.pdf`,
-      originalName: `invoice-${invoice.invoiceNumber}.pdf`,
-      mimeType: 'application/pdf',
-      sizeBytes: String(pdfBytes.length),
-      storagePath,
-      storageBucket: env.MINIO_BUCKET,
-      category: 'invoice',
-      uploadedBy: meta.userId,
-    })
-    .returning();
-
-  if (!fileRecord)
-    throw new CodedError('INSERT_RETURNING_EMPTY', {
-      internalMessage: 'Invoice PDF file record insert returned no row',
-    });
-
-  await db
-    .update(invoices)
-    .set({ pdfFileId: fileRecord.id, updatedAt: new Date() })
-    .where(and(eq(invoices.id, id), eq(invoices.portId, portId)));
-
-  void createAuditLog({
-    userId: meta.userId,
-    portId,
-    action: 'update',
-    entityType: 'invoice',
-    entityId: id,
-    metadata: { action: 'pdf_generated', fileId: fileRecord.id },
-    ipAddress: meta.ipAddress,
-    userAgent: meta.userAgent,
-  });
-
-  return fileRecord;
-}
-
 // ─── Send invoice ─────────────────────────────────────────────────────────
 
 export async function sendInvoice(id: string, portId: string, meta: AuditMeta) {
   const invoice = await getInvoiceById(id, portId);
 
-  // Generate PDF if not exists
-  let pdfFileId = invoice.pdfFileId;
-  if (!pdfFileId) {
-    const fileRecord = await generateInvoicePdf(id, portId, meta);
-    pdfFileId = fileRecord.id;
-  }
-
-  // Queue email job
+  // Invoice PDF generation has been removed (the CRM no longer renders
+  // client-facing PDFs from scratch — see the PDF stack overhaul spec).
+  // The "send" event still fires so the queue + audit + socket flow
+  // remains intact; downstream consumers can decide whether to render
+  // an external document, link to the in-app view, or wait for the
+  // admin-uploaded AcroForm-fill feature to ship.
   await getQueue('email').add('send-invoice', { invoiceId: id, portId });
 
   // Update status to 'sent'