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/components/search/command-search.tsx

@@ -53,7 +53,8 @@ export function CommandSearch() {
       setFocused(false);
       setQuery('');
       inputRef.current?.blur();
-      router.push(path);
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      router.push(path as any);
     },
     [router],
   );
@@ -190,14 +191,14 @@ function ResultGroup({
 }: {
   heading: string;
   items: Array<{ id: string; icon: 'client' | 'interest' | 'berth'; label: string; sub?: string | null }>;
-  iconMap: Record<string, React.ElementType>;
+  iconMap: Record<string, React.ElementType | undefined>;
   onSelect: (id: string) => void;
 }) {
   return (
     <div>
       <div className="px-3 py-1.5 text-xs font-medium text-muted-foreground">{heading}</div>
       {items.map((item) => {
-        const Icon = iconMap[item.icon];
+        const Icon = iconMap[item.icon] ?? 'span';
         return (
           <button
             key={item.id}