재고 조정(실사) 기능 추가 + 수불 관리 바로가기 버튼

- /bag/inventory/adjust: 재고 수량 조정 (실사 설정/증가/감소)
- 재고 관리 페이지에 "재고 조정" 버튼 추가
- 봉투 수불 관리에 입고/판매/불출 바로가기 버튼 추가

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

app/Config/Routes.php

@@ -28,6 +28,8 @@ $routes->get('bag/window', 'Bag::window');
 $routes->get('bag/help', 'Bag::help');
 
 // 사이트 메뉴 CRUD (사이트 레이아웃)
+$routes->get('bag/inventory/adjust', 'Bag::inventoryAdjust');
+$routes->post('bag/inventory/adjust', 'Bag::inventoryAdjustStore');
 $routes->get('bag/issue/create', 'Bag::issueCreate');
 $routes->post('bag/issue/store', 'Bag::issueStore');
 $routes->post('bag/issue/cancel/(:num)', 'Bag::issueCancel/$1');

app/Controllers/Bag.php

@@ -249,6 +249,55 @@ class Bag extends BaseController
         return $this->render('도움말', 'bag/help', []);
     }
 
+    // ──────────────────────────────────────────────
+    // 재고 조정 (실사)
+    // ──────────────────────────────────────────────
+    public function inventoryAdjust(): string
+    {
+        $lgIdx = $this->lgIdx();
+        $inventory = $lgIdx ? model(BagInventoryModel::class)->where('bi_lg_idx', $lgIdx)->orderBy('bi_bag_code')->findAll() : [];
+        return $this->render('재고 조정', 'bag/inventory_adjust', compact('inventory'));
+    }
+
+    public function inventoryAdjustStore()
+    {
+        helper('admin');
+        $lgIdx = $this->lgIdx();
+        if (! $lgIdx) {
+            return redirect()->to(site_url('bag/inventory'))->with('error', '지자체를 선택해 주세요.');
+        }
+
+        $rules = [
+            'bag_code'    => 'required|max_length[50]',
+            'adjust_type' => 'required|in_list[set,add,sub]',
+            'qty'         => 'required|is_natural',
+        ];
+        if (! $this->validate($rules)) {
+            return redirect()->back()->withInput()->with('errors', $this->validator->getErrors());
+        }
+
+        $bagCode = $this->request->getPost('bag_code');
+        $type    = $this->request->getPost('adjust_type');
+        $qty     = (int) $this->request->getPost('qty');
+
+        $invModel = model(BagInventoryModel::class);
+        $existing = $invModel->where('bi_lg_idx', $lgIdx)->where('bi_bag_code', $bagCode)->first();
+
+        if ($type === 'set') {
+            if ($existing) {
+                $invModel->update($existing->bi_idx, ['bi_qty' => $qty, 'bi_updated_at' => date('Y-m-d H:i:s')]);
+            }
+        } elseif ($type === 'add') {
+            $bagName = $existing ? $existing->bi_bag_name : '';
+            $invModel->adjustQty($lgIdx, $bagCode, $bagName, $qty);
+        } elseif ($type === 'sub') {
+            $bagName = $existing ? $existing->bi_bag_name : '';
+            $invModel->adjustQty($lgIdx, $bagCode, $bagName, -$qty);
+        }
+
+        return redirect()->to(site_url('bag/inventory'))->with('success', '재고가 조정되었습니다.');
+    }
+
     // ══════════════════════════════════════════════
     //  CRUD — 사이트 레이아웃으로 등록/처리 폼 제공
     // ══════════════════════════════════════════════

app/Views/bag/flow.php

@@ -7,6 +7,11 @@
     <button type="submit" class="bg-btn-search text-white px-4 py-1.5 rounded-sm text-sm">조회</button>
     <a href="<?= base_url('bag/flow') ?>" class="text-sm text-gray-500 hover:text-gray-700">초기화</a>
   </form>
+  <div class="flex gap-2 mb-2">
+    <a href="<?= base_url('bag/receiving/create') ?>" class="bg-btn-search text-white px-3 py-1.5 rounded-sm text-sm">입고 처리</a>
+    <a href="<?= base_url('bag/sale/create') ?>" class="bg-white text-blue-600 border border-blue-300 px-3 py-1.5 rounded-sm text-sm">판매 등록</a>
+    <a href="<?= base_url('bag/issue/create') ?>" class="bg-white text-blue-600 border border-blue-300 px-3 py-1.5 rounded-sm text-sm">불출 처리</a>
+  </div>
 
   <!-- 수불 요약 -->
   <table class="data-table">

app/Views/bag/inventory.php

@@ -1,4 +1,10 @@
-<table class="data-table">
+<div class="space-y-1">
+  <div class="flex items-center justify-between mb-2">
+    <span></span>
+    <a href="<?= base_url('bag/inventory/adjust') ?>" class="bg-btn-search text-white px-3 py-1.5 rounded-sm text-sm">재고 조정</a>
+  </div>
+
+  <table class="data-table">
     <thead><tr>
       <th class="w-16">번호</th><th>봉투코드</th><th>봉투명</th><th>현재재고(낱장)</th><th>최종갱신</th>
     </tr></thead>
@@ -9,12 +15,13 @@
         <td class="text-center"><?= $i + 1 ?></td>
         <td class="text-center"><?= esc($row->bi_bag_code ?? '') ?></td>
         <td><?= esc($row->bi_bag_name ?? '') ?></td>
-      <td class="text-right"><?= number_format((int)($row->bi_qty_sheet ?? 0)) ?></td>
+        <td class="text-right"><?= number_format((int)($row->bi_qty ?? 0)) ?></td>
-      <td class="text-center"><?= esc($row->bi_updated_at ?? $row->updated_at ?? '') ?></td>
+        <td class="text-center"><?= esc($row->bi_updated_at ?? '') ?></td>
       </tr>
       <?php endforeach; ?>
     <?php else: ?>
       <tr><td colspan="5" class="text-center text-gray-400 py-4">재고 데이터가 없습니다.</td></tr>
     <?php endif; ?>
     </tbody>
-</table>
+  </table>
+</div>

app/Views/bag/inventory_adjust.php

@@ -0,0 +1,43 @@
+<div class="max-w-lg">
+  <div class="flex items-center justify-between mb-4">
+    <h3 class="text-base font-bold text-gray-700">재고 수량 조정 (실사)</h3>
+  </div>
+
+  <form action="<?= base_url('bag/inventory/adjust') ?>" method="POST" class="space-y-4">
+    <?= csrf_field() ?>
+
+    <div>
+      <label class="block text-sm font-bold text-gray-700 mb-1">봉투코드 <span class="text-red-500">*</span></label>
+      <select name="bag_code" required class="w-full border border-gray-300 rounded px-3 py-2 text-sm">
+        <option value="">선택</option>
+        <?php foreach ($inventory as $item): ?>
+        <option value="<?= esc($item->bi_bag_code) ?>"><?= esc($item->bi_bag_code) ?> — <?= esc($item->bi_bag_name) ?> (현재: <?= number_format((int)$item->bi_qty) ?>)</option>
+        <?php endforeach; ?>
+      </select>
+    </div>
+
+    <div>
+      <label class="block text-sm font-bold text-gray-700 mb-1">조정 유형 <span class="text-red-500">*</span></label>
+      <select name="adjust_type" required class="w-full border border-gray-300 rounded px-3 py-2 text-sm">
+        <option value="set">실사 수량으로 설정</option>
+        <option value="add">증가 (+)</option>
+        <option value="sub">감소 (-)</option>
+      </select>
+    </div>
+
+    <div>
+      <label class="block text-sm font-bold text-gray-700 mb-1">수량 <span class="text-red-500">*</span></label>
+      <input type="number" name="qty" required min="0" value="0" class="w-full border border-gray-300 rounded px-3 py-2 text-sm"/>
+    </div>
+
+    <div>
+      <label class="block text-sm font-bold text-gray-700 mb-1">사유</label>
+      <input type="text" name="reason" placeholder="실사 조정, 오류 수정 등" class="w-full border border-gray-300 rounded px-3 py-2 text-sm"/>
+    </div>
+
+    <div class="flex gap-2 pt-2">
+      <button type="submit" class="bg-btn-search text-white px-6 py-2 rounded-sm text-sm">조정</button>
+      <a href="<?= base_url('bag/inventory') ?>" class="bg-gray-200 text-gray-700 px-6 py-2 rounded-sm text-sm">취소</a>
+    </div>
+  </form>
+</div>