CT-01/02/03 공통 컴포넌트 구현 — 페이지네이션/엑셀/인쇄

CT-01: 페이지네이션
- 커스텀 Tailwind 페이저 뷰 (components/pager.php)
- 18개 admin 컨트롤러 findAll() → paginate(20) 전환
- Bag 컨트롤러 7개 리스트도 paginate 적용
- 19개 admin index 뷰에 페이저 링크 추가

CT-02: 엑셀 저장
- export_helper.php (UTF-8 BOM CSV)
- 발주/판매/지정판매소/재고 4개 엑셀 내보내기 라우트+메서드
- 해당 뷰에 "엑셀저장" 버튼 추가

CT-03: 인쇄
- print_header.php (지자체명/제목/결재란 컴포넌트)
- admin/bag 레이아웃에 @media print CSS 추가
- 23개 뷰에 인쇄 버튼 + print_header 추가

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

app/Config/Routes.php

@@ -114,6 +114,7 @@ $routes->group('admin', ['filter' => 'adminAuth'], static function ($routes): vo
     $routes->get('bag-prices/history/(:num)', 'Admin\BagPrice::history/$1');
 
     // 발주 관리 (P3-01~05)
+    $routes->get('bag-orders/export', 'Admin\BagOrder::export');
     $routes->get('bag-orders', 'Admin\BagOrder::index');
     $routes->get('bag-orders/create', 'Admin\BagOrder::create');
     $routes->post('bag-orders/store', 'Admin\BagOrder::store');
@@ -127,6 +128,7 @@ $routes->group('admin', ['filter' => 'adminAuth'], static function ($routes): vo
     $routes->post('bag-receivings/store', 'Admin\BagReceiving::store');
 
     // 재고 현황 (P3-10)
+    $routes->get('bag-inventory/export', 'Admin\BagInventory::export');
     $routes->get('bag-inventory', 'Admin\BagInventory::index');
 
     // 주문 접수 관리 (P4-01~03)
@@ -136,6 +138,7 @@ $routes->group('admin', ['filter' => 'adminAuth'], static function ($routes): vo
     $routes->post('shop-orders/cancel/(:num)', 'Admin\ShopOrder::cancel/$1');
 
     // 판매/반품 관리 (P4-04~07)
+    $routes->get('bag-sales/export', 'Admin\BagSale::export');
     $routes->get('bag-sales', 'Admin\BagSale::index');
     $routes->get('bag-sales/create', 'Admin\BagSale::create');
     $routes->post('bag-sales/store', 'Admin\BagSale::store');
@@ -193,6 +196,7 @@ $routes->group('admin', ['filter' => 'adminAuth'], static function ($routes): vo
     $routes->post('free-recipients/update/(:num)', 'Admin\FreeRecipient::update/$1');
     $routes->post('free-recipients/delete/(:num)', 'Admin\FreeRecipient::delete/$1');
 
+    $routes->get('designated-shops/export', 'Admin\DesignatedShop::export');
     $routes->get('designated-shops', 'Admin\DesignatedShop::index');
     $routes->get('designated-shops/create', 'Admin\DesignatedShop::create');
     $routes->post('designated-shops/store', 'Admin\DesignatedShop::store');