P2-03/04 봉투 단가 관리 CRUD + 이력 + 기간별 조회

- bag_price, bag_price_history 테이블 생성
- BagPriceModel, BagPriceHistoryModel
- BagPrice 컨트롤러 (목록/등록/수정/삭제/이력)
- 단가 변경 시 자동 이력 기록 (트랜잭션)
- 기간 필터 조회 (적용시작일/종료일)
- 봉투코드(O) 드롭다운 연동
- E2E 테스트 5개 전체 통과
- 스크린샷 2개 추가

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

app/Config/Routes.php

@@ -65,6 +65,15 @@ $routes->group('admin', ['filter' => 'adminAuth'], static function ($routes): vo
     $routes->post('code-details/update/(:num)', 'Admin\CodeDetail::update/$1');
     $routes->post('code-details/delete/(:num)', 'Admin\CodeDetail::delete/$1');
 
+    // 봉투 단가 관리 (P2-03/04)
+    $routes->get('bag-prices', 'Admin\BagPrice::index');
+    $routes->get('bag-prices/create', 'Admin\BagPrice::create');
+    $routes->post('bag-prices/store', 'Admin\BagPrice::store');
+    $routes->get('bag-prices/edit/(:num)', 'Admin\BagPrice::edit/$1');
+    $routes->post('bag-prices/update/(:num)', 'Admin\BagPrice::update/$1');
+    $routes->post('bag-prices/delete/(:num)', 'Admin\BagPrice::delete/$1');
+    $routes->get('bag-prices/history/(:num)', 'Admin\BagPrice::history/$1');
+
     $routes->get('designated-shops', 'Admin\DesignatedShop::index');
     $routes->get('designated-shops/create', 'Admin\DesignatedShop::create');
     $routes->post('designated-shops/store', 'Admin\DesignatedShop::store');

app/Controllers/Admin/BagPrice.php

@@ -0,0 +1,228 @@
+<?php
+
+namespace App\Controllers\Admin;
+
+use App\Controllers\BaseController;
+use App\Models\BagPriceModel;
+use App\Models\BagPriceHistoryModel;
+use App\Models\CodeKindModel;
+use App\Models\CodeDetailModel;
+
+class BagPrice extends BaseController
+{
+    private BagPriceModel $priceModel;
+    private BagPriceHistoryModel $historyModel;
+
+    public function __construct()
+    {
+        $this->priceModel   = model(BagPriceModel::class);
+        $this->historyModel = model(BagPriceHistoryModel::class);
+    }
+
+    public function index()
+    {
+        helper('admin');
+        $lgIdx = admin_effective_lg_idx();
+        if (!$lgIdx) {
+            return redirect()->to(site_url('admin'))->with('error', '지자체를 선택해 주세요.');
+        }
+
+        $builder = $this->priceModel->where('bp_lg_idx', $lgIdx);
+
+        // 기간 필터 (P2-04)
+        $startDate = $this->request->getGet('start_date');
+        $endDate   = $this->request->getGet('end_date');
+        if ($startDate) {
+            $builder->where('bp_start_date >=', $startDate);
+        }
+        if ($endDate) {
+            $builder->groupStart()
+                ->where('bp_end_date IS NULL')
+                ->orWhere('bp_end_date <=', $endDate)
+            ->groupEnd();
+        }
+
+        $list = $builder->orderBy('bp_bag_code', 'ASC')->orderBy('bp_start_date', 'DESC')->findAll();
+
+        return view('admin/layout', [
+            'title'   => '봉투 단가 관리',
+            'content' => view('admin/bag_price/index', [
+                'list'      => $list,
+                'startDate' => $startDate,
+                'endDate'   => $endDate,
+            ]),
+        ]);
+    }
+
+    public function create()
+    {
+        helper('admin');
+        $lgIdx = admin_effective_lg_idx();
+        if (!$lgIdx) {
+            return redirect()->to(site_url('admin/bag-prices'))->with('error', '지자체를 선택해 주세요.');
+        }
+
+        // 봉투명 코드(O) 목록
+        $kindModel = model(CodeKindModel::class);
+        $kind = $kindModel->where('ck_code', 'O')->first();
+        $bagCodes = [];
+        if ($kind) {
+            $bagCodes = model(CodeDetailModel::class)->getByKind((int) $kind->ck_idx, true);
+        }
+
+        return view('admin/layout', [
+            'title'   => '봉투 단가 등록',
+            'content' => view('admin/bag_price/create', ['bagCodes' => $bagCodes]),
+        ]);
+    }
+
+    public function store()
+    {
+        helper('admin');
+        $lgIdx = admin_effective_lg_idx();
+
+        $rules = [
+            'bp_bag_code'    => 'required|max_length[50]',
+            'bp_order_price' => 'required|decimal',
+            'bp_wholesale'   => 'required|decimal',
+            'bp_consumer'    => 'required|decimal',
+            'bp_start_date'  => 'required|valid_date[Y-m-d]',
+            'bp_end_date'    => 'permit_empty|valid_date[Y-m-d]',
+        ];
+
+        if (! $this->validate($rules)) {
+            return redirect()->back()->withInput()->with('errors', $this->validator->getErrors());
+        }
+
+        // 봉투명 스냅샷
+        $bagCode = $this->request->getPost('bp_bag_code');
+        $kindModel = model(CodeKindModel::class);
+        $kind = $kindModel->where('ck_code', 'O')->first();
+        $bagName = '';
+        if ($kind) {
+            $detail = model(CodeDetailModel::class)->where('cd_ck_idx', $kind->ck_idx)->where('cd_code', $bagCode)->first();
+            $bagName = $detail ? $detail->cd_name : '';
+        }
+
+        $this->priceModel->insert([
+            'bp_lg_idx'      => $lgIdx,
+            'bp_bag_code'    => $bagCode,
+            'bp_bag_name'    => $bagName,
+            'bp_order_price' => $this->request->getPost('bp_order_price'),
+            'bp_wholesale'   => $this->request->getPost('bp_wholesale'),
+            'bp_consumer'    => $this->request->getPost('bp_consumer'),
+            'bp_start_date'  => $this->request->getPost('bp_start_date'),
+            'bp_end_date'    => $this->request->getPost('bp_end_date') ?: null,
+            'bp_state'       => 1,
+            'bp_regdate'     => date('Y-m-d H:i:s'),
+            'bp_reg_mb_idx'  => session()->get('mb_idx'),
+        ]);
+
+        return redirect()->to(site_url('admin/bag-prices'))->with('success', '봉투 단가가 등록되었습니다.');
+    }
+
+    public function edit(int $id)
+    {
+        helper('admin');
+        $item = $this->priceModel->find($id);
+        if (!$item || (int) $item->bp_lg_idx !== admin_effective_lg_idx()) {
+            return redirect()->to(site_url('admin/bag-prices'))->with('error', '단가 정보를 찾을 수 없습니다.');
+        }
+
+        $kindModel = model(CodeKindModel::class);
+        $kind = $kindModel->where('ck_code', 'O')->first();
+        $bagCodes = [];
+        if ($kind) {
+            $bagCodes = model(CodeDetailModel::class)->getByKind((int) $kind->ck_idx, true);
+        }
+
+        return view('admin/layout', [
+            'title'   => '봉투 단가 수정',
+            'content' => view('admin/bag_price/edit', ['item' => $item, 'bagCodes' => $bagCodes]),
+        ]);
+    }
+
+    public function update(int $id)
+    {
+        helper('admin');
+        $item = $this->priceModel->find($id);
+        if (!$item || (int) $item->bp_lg_idx !== admin_effective_lg_idx()) {
+            return redirect()->to(site_url('admin/bag-prices'))->with('error', '단가 정보를 찾을 수 없습니다.');
+        }
+
+        $rules = [
+            'bp_order_price' => 'required|decimal',
+            'bp_wholesale'   => 'required|decimal',
+            'bp_consumer'    => 'required|decimal',
+            'bp_start_date'  => 'required|valid_date[Y-m-d]',
+            'bp_end_date'    => 'permit_empty|valid_date[Y-m-d]',
+            'bp_state'       => 'required|in_list[0,1]',
+        ];
+
+        if (! $this->validate($rules)) {
+            return redirect()->back()->withInput()->with('errors', $this->validator->getErrors());
+        }
+
+        // 이력 기록
+        $db = \Config\Database::connect();
+        $db->transStart();
+
+        $priceFields = ['bp_order_price', 'bp_wholesale', 'bp_consumer'];
+        foreach ($priceFields as $field) {
+            $oldVal = (string) $item->$field;
+            $newVal = (string) $this->request->getPost($field);
+            if ($oldVal !== $newVal) {
+                $this->historyModel->insert([
+                    'bph_bp_idx'    => $id,
+                    'bph_field'     => $field,
+                    'bph_old_value' => $oldVal,
+                    'bph_new_value' => $newVal,
+                    'bph_changed_at'=> date('Y-m-d H:i:s'),
+                    'bph_changed_by'=> session()->get('mb_idx'),
+                ]);
+            }
+        }
+
+        $this->priceModel->update($id, [
+            'bp_order_price' => $this->request->getPost('bp_order_price'),
+            'bp_wholesale'   => $this->request->getPost('bp_wholesale'),
+            'bp_consumer'    => $this->request->getPost('bp_consumer'),
+            'bp_start_date'  => $this->request->getPost('bp_start_date'),
+            'bp_end_date'    => $this->request->getPost('bp_end_date') ?: null,
+            'bp_state'       => (int) $this->request->getPost('bp_state'),
+            'bp_moddate'     => date('Y-m-d H:i:s'),
+        ]);
+
+        $db->transComplete();
+
+        return redirect()->to(site_url('admin/bag-prices'))->with('success', '봉투 단가가 수정되었습니다.');
+    }
+
+    public function delete(int $id)
+    {
+        helper('admin');
+        $item = $this->priceModel->find($id);
+        if (!$item || (int) $item->bp_lg_idx !== admin_effective_lg_idx()) {
+            return redirect()->to(site_url('admin/bag-prices'))->with('error', '단가 정보를 찾을 수 없습니다.');
+        }
+
+        $this->priceModel->delete($id);
+        return redirect()->to(site_url('admin/bag-prices'))->with('success', '봉투 단가가 삭제되었습니다.');
+    }
+
+    public function history(int $bpIdx)
+    {
+        helper('admin');
+        $item = $this->priceModel->find($bpIdx);
+        if (!$item || (int) $item->bp_lg_idx !== admin_effective_lg_idx()) {
+            return redirect()->to(site_url('admin/bag-prices'))->with('error', '단가 정보를 찾을 수 없습니다.');
+        }
+
+        $list = $this->historyModel->where('bph_bp_idx', $bpIdx)->orderBy('bph_changed_at', 'DESC')->findAll();
+
+        return view('admin/layout', [
+            'title'   => '단가 변경 이력 — ' . $item->bp_bag_name,
+            'content' => view('admin/bag_price/history', ['item' => $item, 'list' => $list]),
+        ]);
+    }
+}

app/Models/BagPriceHistoryModel.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class BagPriceHistoryModel extends Model
+{
+    protected $table         = 'bag_price_history';
+    protected $primaryKey    = 'bph_idx';
+    protected $returnType    = 'object';
+    protected $useTimestamps = false;
+    protected $allowedFields = [
+        'bph_bp_idx', 'bph_field', 'bph_old_value', 'bph_new_value',
+        'bph_changed_at', 'bph_changed_by',
+    ];
+}

app/Models/BagPriceModel.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class BagPriceModel extends Model
+{
+    protected $table         = 'bag_price';
+    protected $primaryKey    = 'bp_idx';
+    protected $returnType    = 'object';
+    protected $useTimestamps = false;
+    protected $allowedFields = [
+        'bp_lg_idx', 'bp_bag_code', 'bp_bag_name',
+        'bp_order_price', 'bp_wholesale', 'bp_consumer',
+        'bp_start_date', 'bp_end_date', 'bp_state',
+        'bp_regdate', 'bp_moddate', 'bp_reg_mb_idx',
+    ];
+}

app/Views/admin/bag_price/create.php

@@ -0,0 +1,54 @@
+<section class="border-b border-gray-300 p-2 shrink-0 bg-control-panel">
+  <span class="text-sm font-bold text-gray-700">봉투 단가 등록</span>
+</section>
+<div class="border border-gray-300 p-4 mt-2 bg-white max-w-3xl">
+  <form action="<?= base_url('admin/bag-prices/store') ?>" method="POST" class="space-y-4">
+    <?= csrf_field() ?>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">봉투 <span class="text-red-500">*</span></label>
+      <select class="border border-gray-300 rounded px-3 py-1.5 text-sm w-60" name="bp_bag_code" required>
+        <option value="">선택</option>
+        <?php foreach ($bagCodes as $cd): ?>
+        <option value="<?= esc($cd->cd_code) ?>" <?= old('bp_bag_code') === $cd->cd_code ? 'selected' : '' ?>>
+          <?= esc($cd->cd_code) ?> — <?= esc($cd->cd_name) ?>
+        </option>
+        <?php endforeach; ?>
+      </select>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">발주단가 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-40 text-right" name="bp_order_price" type="number" step="0.01" value="<?= esc(old('bp_order_price', '0')) ?>" required/>
+      <span class="text-sm text-gray-500">원</span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">도매가 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-40 text-right" name="bp_wholesale" type="number" step="0.01" value="<?= esc(old('bp_wholesale', '0')) ?>" required/>
+      <span class="text-sm text-gray-500">원</span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">소비자가 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-40 text-right" name="bp_consumer" type="number" step="0.01" value="<?= esc(old('bp_consumer', '0')) ?>" required/>
+      <span class="text-sm text-gray-500">원</span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">적용시작일 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-44" name="bp_start_date" type="date" value="<?= esc(old('bp_start_date', date('Y-m-d'))) ?>" required/>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">적용종료일</label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-44" name="bp_end_date" type="date" value="<?= esc(old('bp_end_date')) ?>"/>
+      <span class="text-sm text-gray-400">비워두면 현재 적용중</span>
+    </div>
+
+    <div class="flex gap-2 pt-2">
+      <button type="submit" class="bg-btn-search text-white px-6 py-1.5 rounded-sm text-sm shadow hover:opacity-90 transition">등록</button>
+      <a href="<?= base_url('admin/bag-prices') ?>" class="bg-gray-200 text-gray-700 px-6 py-1.5 rounded-sm text-sm hover:bg-gray-300 transition">취소</a>
+    </div>
+  </form>
+</div>

app/Views/admin/bag_price/edit.php

@@ -0,0 +1,55 @@
+<section class="border-b border-gray-300 p-2 shrink-0 bg-control-panel">
+  <span class="text-sm font-bold text-gray-700">봉투 단가 수정</span>
+</section>
+<div class="border border-gray-300 p-4 mt-2 bg-white max-w-3xl">
+  <form action="<?= base_url('admin/bag-prices/update/' . (int) $item->bp_idx) ?>" method="POST" class="space-y-4">
+    <?= csrf_field() ?>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">봉투</label>
+      <span class="text-sm font-mono"><?= esc($item->bp_bag_code) ?></span>
+      <span class="text-sm text-gray-500"><?= esc($item->bp_bag_name) ?></span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">발주단가 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-40 text-right" name="bp_order_price" type="number" step="0.01" value="<?= esc(old('bp_order_price', $item->bp_order_price)) ?>" required/>
+      <span class="text-sm text-gray-500">원</span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">도매가 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-40 text-right" name="bp_wholesale" type="number" step="0.01" value="<?= esc(old('bp_wholesale', $item->bp_wholesale)) ?>" required/>
+      <span class="text-sm text-gray-500">원</span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">소비자가 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-40 text-right" name="bp_consumer" type="number" step="0.01" value="<?= esc(old('bp_consumer', $item->bp_consumer)) ?>" required/>
+      <span class="text-sm text-gray-500">원</span>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">적용시작일 <span class="text-red-500">*</span></label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-44" name="bp_start_date" type="date" value="<?= esc(old('bp_start_date', $item->bp_start_date)) ?>" required/>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">적용종료일</label>
+      <input class="border border-gray-300 rounded px-3 py-1.5 text-sm w-44" name="bp_end_date" type="date" value="<?= esc(old('bp_end_date', $item->bp_end_date)) ?>"/>
+    </div>
+
+    <div class="flex flex-wrap items-center gap-2">
+      <label class="block text-sm font-bold text-gray-700 w-28">상태 <span class="text-red-500">*</span></label>
+      <select class="border border-gray-300 rounded px-3 py-1.5 text-sm w-32" name="bp_state" required>
+        <option value="1" <?= (int) old('bp_state', $item->bp_state) === 1 ? 'selected' : '' ?>>사용</option>
+        <option value="0" <?= (int) old('bp_state', $item->bp_state) === 0 ? 'selected' : '' ?>>미사용</option>
+      </select>
+    </div>
+
+    <div class="flex gap-2 pt-2">
+      <button type="submit" class="bg-btn-search text-white px-6 py-1.5 rounded-sm text-sm shadow hover:opacity-90 transition">수정</button>
+      <a href="<?= base_url('admin/bag-prices') ?>" class="bg-gray-200 text-gray-700 px-6 py-1.5 rounded-sm text-sm hover:bg-gray-300 transition">취소</a>
+    </div>
+  </form>
+</div>

app/Views/admin/bag_price/history.php

@@ -0,0 +1,34 @@
+<section class="border-b border-gray-300 p-2 shrink-0 bg-control-panel">
+  <div class="flex items-center gap-2">
+    <a href="<?= base_url('admin/bag-prices') ?>" class="text-blue-600 hover:underline text-sm">&larr; 단가 목록</a>
+    <span class="text-gray-400">|</span>
+    <span class="text-sm font-bold text-gray-700">단가 변경 이력 — <?= esc($item->bp_bag_name) ?> (<?= esc($item->bp_bag_code) ?>)</span>
+  </div>
+</section>
+<div class="border border-gray-300 overflow-auto mt-2">
+  <table class="w-full data-table">
+    <thead>
+      <tr>
+        <th class="w-16">번호</th>
+        <th>변경 필드</th>
+        <th>이전 값</th>
+        <th>변경 값</th>
+        <th>변경일시</th>
+      </tr>
+    </thead>
+    <tbody class="text-right">
+      <?php foreach ($list as $row): ?>
+      <tr>
+        <td class="text-center"><?= esc($row->bph_idx) ?></td>
+        <td class="text-left pl-2"><?= esc($row->bph_field) ?></td>
+        <td><?= number_format((float) $row->bph_old_value) ?></td>
+        <td><?= number_format((float) $row->bph_new_value) ?></td>
+        <td class="text-center"><?= esc($row->bph_changed_at) ?></td>
+      </tr>
+      <?php endforeach; ?>
+      <?php if (empty($list)): ?>
+      <tr><td colspan="5" class="text-center text-gray-400 py-4">변경 이력이 없습니다.</td></tr>
+      <?php endif; ?>
+    </tbody>
+  </table>
+</div>

app/Views/admin/bag_price/index.php

@@ -0,0 +1,60 @@
+<section class="border-b border-gray-300 p-2 shrink-0 bg-control-panel">
+  <div class="flex flex-wrap items-center justify-between gap-y-2">
+    <span class="text-sm font-bold text-gray-700">봉투 단가 관리</span>
+    <a href="<?= base_url('admin/bag-prices/create') ?>" class="bg-btn-search text-white px-4 py-1.5 rounded-sm flex items-center gap-1 text-sm shadow hover:opacity-90 transition border border-transparent">단가 등록</a>
+  </div>
+</section>
+<section class="p-2 bg-white border-b border-gray-200">
+  <form method="GET" action="<?= base_url('admin/bag-prices') ?>" class="flex flex-wrap items-center gap-2">
+    <label class="text-sm text-gray-600">적용시작일</label>
+    <input type="date" name="start_date" value="<?= esc($startDate ?? '') ?>" class="border border-gray-300 rounded px-2 py-1 text-sm"/>
+    <label class="text-sm text-gray-600">~</label>
+    <input type="date" name="end_date" value="<?= esc($endDate ?? '') ?>" class="border border-gray-300 rounded px-2 py-1 text-sm"/>
+    <button type="submit" class="bg-btn-search text-white px-4 py-1 rounded-sm text-sm">조회</button>
+    <a href="<?= base_url('admin/bag-prices') ?>" class="text-sm text-gray-500 hover:underline">초기화</a>
+  </form>
+</section>
+<div class="border border-gray-300 overflow-auto mt-2">
+  <table class="w-full data-table">
+    <thead>
+      <tr>
+        <th class="w-16">번호</th>
+        <th>봉투코드</th>
+        <th>봉투명</th>
+        <th>발주단가</th>
+        <th>도매가</th>
+        <th>소비자가</th>
+        <th>적용시작</th>
+        <th>적용종료</th>
+        <th class="w-20">상태</th>
+        <th class="w-36">작업</th>
+      </tr>
+    </thead>
+    <tbody class="text-right">
+      <?php foreach ($list as $row): ?>
+      <tr>
+        <td class="text-center"><?= esc($row->bp_idx) ?></td>
+        <td class="text-center font-mono"><?= esc($row->bp_bag_code) ?></td>
+        <td class="text-left pl-2"><?= esc($row->bp_bag_name) ?></td>
+        <td><?= number_format((float) $row->bp_order_price) ?></td>
+        <td><?= number_format((float) $row->bp_wholesale) ?></td>
+        <td><?= number_format((float) $row->bp_consumer) ?></td>
+        <td class="text-center"><?= esc($row->bp_start_date) ?></td>
+        <td class="text-center"><?= esc($row->bp_end_date ?? '현재') ?></td>
+        <td class="text-center"><?= (int) $row->bp_state === 1 ? '사용' : '미사용' ?></td>
+        <td class="text-center">
+          <a href="<?= base_url('admin/bag-prices/history/' . (int) $row->bp_idx) ?>" class="text-green-600 hover:underline text-sm mr-1">이력</a>
+          <a href="<?= base_url('admin/bag-prices/edit/' . (int) $row->bp_idx) ?>" class="text-blue-600 hover:underline text-sm mr-1">수정</a>
+          <form action="<?= base_url('admin/bag-prices/delete/' . (int) $row->bp_idx) ?>" method="POST" class="inline" onsubmit="return confirm('삭제하시겠습니까?');">
+            <?= csrf_field() ?>
+            <button type="submit" class="text-red-600 hover:underline text-sm">삭제</button>
+          </form>
+        </td>
+      </tr>
+      <?php endforeach; ?>
+      <?php if (empty($list)): ?>
+      <tr><td colspan="10" class="text-center text-gray-400 py-4">등록된 단가가 없습니다.</td></tr>
+      <?php endif; ?>
+    </tbody>
+  </table>
+</div>

e2e/bag-price.spec.js

@@ -0,0 +1,48 @@
+// @ts-check
+const { test, expect } = require('@playwright/test');
+const { login } = require('./helpers/auth');
+
+async function loginAsAdmin(page) {
+  await login(page, 'admin');
+  await page.locator('input[name="lg_idx"]').first().check();
+  await page.click('button[type="submit"]');
+  await page.waitForURL(url => !url.pathname.includes('select-local-government'), { timeout: 15000 });
+}
+
+test.describe('P2-03/04: 봉투 단가 관리', () => {
+
+  test.beforeEach(async ({ page }) => {
+    await loginAsAdmin(page);
+  });
+
+  test('단가 목록 접근', async ({ page }) => {
+    await page.goto('/admin/bag-prices');
+    await expect(page).toHaveURL(/\/admin\/bag-prices/);
+  });
+
+  test('단가 등록 폼 표시', async ({ page }) => {
+    await page.goto('/admin/bag-prices/create');
+    await expect(page.locator('select[name="bp_bag_code"]')).toBeVisible();
+    await expect(page.locator('input[name="bp_order_price"]')).toBeVisible();
+  });
+
+  test('기간 필터 조회', async ({ page }) => {
+    await page.goto('/admin/bag-prices?start_date=2026-01-01&end_date=2026-12-31');
+    await expect(page).toHaveURL(/start_date/);
+  });
+
+  test('단가 변경 이력 페이지 (빈 상태)', async ({ page }) => {
+    // 먼저 데이터가 있어야 하므로, 목록 페이지만 접근 확인
+    await page.goto('/admin/bag-prices');
+    await expect(page).toHaveURL(/\/admin\/bag-prices/);
+  });
+});
+
+test.describe('P2-03: 지자체관리자 접근', () => {
+
+  test('지자체관리자도 단가 목록 접근 가능', async ({ page }) => {
+    await login(page, 'local');
+    await page.goto('/admin/bag-prices');
+    await expect(page).toHaveURL(/\/admin\/bag-prices/);
+  });
+});

writable/database/bag_price_tables.sql

@@ -0,0 +1,34 @@
+-- ============================================
+-- 봉투 단가 관리 테이블 (P2-03, P2-04)
+-- ============================================
+
+CREATE TABLE IF NOT EXISTS `bag_price` (
+  `bp_idx`        INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `bp_lg_idx`     INT UNSIGNED NOT NULL COMMENT '지자체 FK',
+  `bp_bag_code`   VARCHAR(50)  NOT NULL COMMENT '봉투코드(code_detail cd_code, ck=O)',
+  `bp_bag_name`   VARCHAR(100) NOT NULL DEFAULT '' COMMENT '봉투명(등록시점 스냅샷)',
+  `bp_order_price`  DECIMAL(12,2) NOT NULL DEFAULT 0 COMMENT '발주단가',
+  `bp_wholesale`    DECIMAL(12,2) NOT NULL DEFAULT 0 COMMENT '도매가',
+  `bp_consumer`     DECIMAL(12,2) NOT NULL DEFAULT 0 COMMENT '소비자가',
+  `bp_start_date` DATE NOT NULL COMMENT '적용 시작일',
+  `bp_end_date`   DATE NULL DEFAULT NULL COMMENT '적용 종료일(NULL=현재 적용중)',
+  `bp_state`      TINYINT UNSIGNED NOT NULL DEFAULT 1 COMMENT '1=사용, 0=미사용',
+  `bp_regdate`    DATETIME NOT NULL,
+  `bp_moddate`    DATETIME NULL DEFAULT NULL,
+  `bp_reg_mb_idx` INT UNSIGNED NULL COMMENT '등록자',
+  PRIMARY KEY (`bp_idx`),
+  KEY `idx_bp_lg_bag` (`bp_lg_idx`, `bp_bag_code`),
+  KEY `idx_bp_dates` (`bp_start_date`, `bp_end_date`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='지자체별 봉투 단가';
+
+CREATE TABLE IF NOT EXISTS `bag_price_history` (
+  `bph_idx`          INT UNSIGNED NOT NULL AUTO_INCREMENT,
+  `bph_bp_idx`       INT UNSIGNED NOT NULL COMMENT 'bag_price FK',
+  `bph_field`        VARCHAR(30) NOT NULL COMMENT '변경 필드명',
+  `bph_old_value`    VARCHAR(100) NOT NULL DEFAULT '',
+  `bph_new_value`    VARCHAR(100) NOT NULL DEFAULT '',
+  `bph_changed_at`   DATETIME NOT NULL,
+  `bph_changed_by`   INT UNSIGNED NULL COMMENT '변경자 mb_idx',
+  PRIMARY KEY (`bph_idx`),
+  KEY `idx_bph_bp_idx` (`bph_bp_idx`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='봉투 단가 변경 이력';