feat: [approval] 결재서명란 테이블 추가 (전통 결재 양식)

- 문서 상세 우측 상단에 결재서명란 테이블 배치
- 작성자 + 결재자 컬럼, 직급/이름/서명/날짜 표시
- 승인/반려/보류/전결 상태별 도장 아이콘
- 기존 원형 타임라인 결재 진행 제거, 결재 의견만 유지

resources/views/approvals/partials/_approval-stamp-table.blade.php

@@ -0,0 +1,83 @@
+{{--
+    결재서명란 (전통 테이블 형식)
+    Props:
+        $approval (Approval model) - 결재 문서
+--}}
+@php
+    $drafter = $approval->drafter;
+    $approverSteps = $approval->steps->whereIn('step_type', ['approval', 'agreement'])->sortBy('step_order')->values();
+@endphp
+
+<table style="border-collapse: collapse; border: 2px solid #4338ca; font-size: 12px; min-width: 120px;">
+    <tbody>
+        {{-- 1행: 직급/역할 --}}
+        <tr>
+            <td rowspan="3" style="border: 1px solid #a5b4fc; padding: 4px 6px; text-align: center; font-weight: 700; color: #4338ca; background: #eef2ff; writing-mode: vertical-rl; letter-spacing: 6px; width: 28px; font-size: 13px;">
+                결재
+            </td>
+            <td style="border: 1px solid #c7d2fe; padding: 4px 10px; text-align: center; font-weight: 600; color: #374151; background: #f9fafb; min-width: 64px; white-space: nowrap;">
+                작성자
+            </td>
+            @foreach($approverSteps as $step)
+                <td style="border: 1px solid #c7d2fe; padding: 4px 10px; text-align: center; font-weight: 600; color: #374151; background: #f9fafb; min-width: 64px; white-space: nowrap;">
+                    {{ $step->approver_position ?: ($step->step_type === 'agreement' ? '합의' : '결재') }}
+                </td>
+            @endforeach
+        </tr>
+        {{-- 2행: 서명/도장 영역 --}}
+        <tr>
+            <td style="border: 1px solid #c7d2fe; padding: 6px 10px; text-align: center; height: 40px; vertical-align: middle;">
+                @if(in_array($approval->status, ['pending', 'approved', 'rejected', 'cancelled', 'on_hold']))
+                    <span style="color: #2563eb; font-size: 11px; font-weight: 500;">{{ $drafter?->name ?? '-' }}</span>
+                @endif
+            </td>
+            @foreach($approverSteps as $step)
+                <td style="border: 1px solid #c7d2fe; padding: 6px 10px; text-align: center; height: 40px; vertical-align: middle;">
+                    @if($step->status === 'approved')
+                        @if(($step->approval_type ?? 'normal') === 'pre_decided')
+                            <div style="display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 2px solid #6366f1; border-radius: 50%; color: #6366f1; font-size: 9px; font-weight: 700; line-height: 1;">
+                                전결
+                            </div>
+                        @else
+                            <div style="display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 2px solid #dc2626; border-radius: 50%; color: #dc2626; font-size: 9px; font-weight: 700; line-height: 1;">
+                                승인
+                            </div>
+                        @endif
+                    @elseif($step->status === 'rejected')
+                        <div style="display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 2px solid #dc2626; border-radius: 50%; color: #dc2626; font-size: 9px; font-weight: 700; line-height: 1;">
+                            반려
+                        </div>
+                    @elseif($step->status === 'on_hold')
+                        <div style="display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 2px solid #d97706; border-radius: 50%; color: #d97706; font-size: 9px; font-weight: 700; line-height: 1;">
+                            보류
+                        </div>
+                    @elseif($step->status === 'skipped')
+                        <span style="color: #9ca3af; font-size: 10px;">-</span>
+                    @endif
+                </td>
+            @endforeach
+        </tr>
+        {{-- 3행: 이름 + 처리일시 --}}
+        <tr>
+            <td style="border: 1px solid #c7d2fe; padding: 3px 10px; text-align: center; white-space: nowrap;">
+                @if(in_array($approval->status, ['pending', 'approved', 'rejected', 'cancelled', 'on_hold']))
+                    <div style="font-size: 10px; color: #6b7280;">
+                        {{ $approval->drafted_at?->format('m/d') ?? '' }}
+                    </div>
+                @endif
+            </td>
+            @foreach($approverSteps as $step)
+                <td style="border: 1px solid #c7d2fe; padding: 3px 10px; text-align: center; white-space: nowrap;">
+                    <div style="font-size: 11px; color: #374151; font-weight: 500;">
+                        {{ $step->approver_name ?? ($step->approver?->name ?? '') }}
+                    </div>
+                    @if($step->acted_at)
+                        <div style="font-size: 10px; color: #6b7280;">
+                            {{ $step->acted_at->format('m/d') }}
+                        </div>
+                    @endif
+                </td>
+            @endforeach
+        </tr>
+    </tbody>
+</table>

resources/views/approvals/show.blade.php

@@ -23,7 +23,8 @@ class="bg-gray-600 hover:bg-gray-700 text-white px-4 py-2 rounded-lg transition
 
     {{-- 문서 정보 --}}
     <div class="bg-white rounded-lg shadow-sm p-6 mb-6">
-        <div class="flex flex-wrap gap-y-3 mb-4" style="gap-column: 0;">
+        <div class="flex justify-between items-start gap-4 mb-4">
+            <div class="flex flex-wrap gap-y-3" style="gap-column: 0;">
                 <div class="pr-6 border-r border-gray-200 mr-6">
                     <span class="text-xs text-gray-500">상태</span>
                     <div class="mt-1">
@@ -63,6 +64,12 @@ class="bg-gray-600 hover:bg-gray-700 text-white px-4 py-2 rounded-lg transition
                 @endif
             </div>
 
+            {{-- 결재서명란 --}}
+            <div class="shrink-0">
+                @include('approvals.partials._approval-stamp-table', ['approval' => $approval])
+            </div>
+        </div>
+
         {{-- 회수 사유 표시 --}}
         @if($approval->status === 'cancelled' && $approval->recall_reason)
             <div class="mb-4 p-3 bg-yellow-50 border border-yellow-200 rounded-lg">
@@ -85,21 +92,13 @@ class="bg-gray-600 hover:bg-gray-700 text-white px-4 py-2 rounded-lg transition
         </div>
     </div>
 
-    {{-- 결재 진행 단계 --}}
-    <div class="bg-white rounded-lg shadow-sm p-6 mb-6">
-        <h3 class="text-lg font-semibold text-gray-800 mb-2">결재 진행</h3>
-        @include('approvals.partials._step-progress', [
-            'steps' => $approval->steps->toArray(),
-            'currentStep' => $approval->current_step,
-        ])
-
-        {{-- 결재 의견 목록 --}}
+    {{-- 결재 의견 --}}
     @php
         $stepsWithComments = $approval->steps->filter(fn($s) => $s->comment);
     @endphp
     @if($stepsWithComments->isNotEmpty())
-            <div class="mt-4 border-t pt-4">
-                <h4 class="text-sm font-medium text-gray-700 mb-2">결재 의견</h4>
+    <div class="bg-white rounded-lg shadow-sm p-6 mb-6">
+        <h3 class="text-lg font-semibold text-gray-800 mb-2">결재 의견</h3>
         <div class="space-y-2">
             @foreach($stepsWithComments as $step)
                 <div class="flex gap-3 p-3 bg-gray-50 rounded-lg">
@@ -134,7 +133,6 @@ class="bg-gray-600 hover:bg-gray-700 text-white px-4 py-2 rounded-lg transition
         </div>
     </div>
     @endif
-    </div>
 
     {{-- 결재 처리 (승인/반려/보류/전결) --}}
     @if($approval->isActionable() && $approval->isCurrentApprover(auth()->id()))