Fix all TypeScript errors: restore proper types and typed route casts

- Restore `as any` casts for Next.js typedRoutes on dynamic routes
- Use proper types for PDF templates, invoice/expense data, DB schema
- Fix PgColumn casts in sort helpers for expenses/invoices
- Add null guards for optional port/client in record-export
- Fix vitest config (remove invalid poolOptions)
- Lint: 0 errors, TypeScript: 0 errors

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/lib/services/record-export.ts

@@ -81,7 +81,7 @@ export async function exportClientPdf(clientId: string, portId: string): Promise
     berthMooringNumber: i.berthId ? (berthsMap[i.berthId] ?? null) : null,
   }));
 
-  const inputs = buildClientSummaryInputs(client, contactList, enrichedInterests, activity, port);
+  const inputs = buildClientSummaryInputs(client, contactList, enrichedInterests, activity, port ?? {});
 
   return generatePdf(clientSummaryTemplate, [inputs]);
 }
@@ -143,7 +143,7 @@ export async function exportBerthPdf(berthId: string, portId: string): Promise<U
     .orderBy(desc(interests.updatedAt))
     .limit(20);
 
-  const inputs = buildBerthSpecInputs(berth, enrichedWaitingList, maintenance, linkedInterests, port);
+  const inputs = buildBerthSpecInputs(berth, enrichedWaitingList, maintenance, linkedInterests, port ?? {});
 
   return generatePdf(berthSpecTemplate, [inputs]);
 }
@@ -183,7 +183,7 @@ export async function exportInterestPdf(interestId: string, portId: string): Pro
     .orderBy(desc(auditLogs.createdAt))
     .limit(20);
 
-  const inputs = buildInterestSummaryInputs(interest, client, berth, timeline, port);
+  const inputs = buildInterestSummaryInputs(interest, client ?? {}, berth ?? null, timeline, port ?? {});
 
   return generatePdf(interestSummaryTemplate, [inputs]);
 }