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/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>