feat:검사 기준서 동적화 + 소스 테이블 통합 검색

- 동적 필드/연결 모델 추가 (SectionField, Link, LinkValue, Preset)
- 통합 검색 API (SourceTableSearchController) - items/processes/lots/users
- 템플릿 편집 UI: 소스 테이블 드롭다운 + datalist 검색/선택
- 문서 작성/인쇄/상세 뷰: getFieldValue() 기반 동적 렌더링
- DocumentTemplateApiController: source_table 기반 저장/복제
- DocumentController: sectionFields/links eager loading 추가

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Http/Controllers/DocumentTemplateController.php

@@ -3,9 +3,11 @@
 namespace App\Http\Controllers;
 
 use App\Models\DocumentTemplate;
+use App\Models\DocumentTemplateFieldPreset;
 use App\Models\Tenants\Tenant;
 use App\Models\User;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 use Illuminate\View\View;
 
 class DocumentTemplateController extends Controller
@@ -31,6 +33,7 @@ public function create(): View
             'isCreate' => true,
             'categories' => $this->getCategories(),
             'tenant' => $this->getCurrentTenant(),
+            'presets' => DocumentTemplateFieldPreset::orderBy('sort_order')->get(),
         ]);
     }
 
@@ -44,6 +47,8 @@ public function edit(int $id): View
             'basicFields',
             'sections.items',
             'columns',
+            'sectionFields',
+            'links.linkValues',
         ])->findOrFail($id);
 
         // JavaScript용 데이터 변환
@@ -55,6 +60,7 @@ public function edit(int $id): View
             'isCreate' => false,
             'categories' => $this->getCategories(),
             'tenant' => $this->getCurrentTenant(),
+            'presets' => DocumentTemplateFieldPreset::orderBy('sort_order')->get(),
         ]);
     }
 
@@ -162,6 +168,79 @@ private function prepareTemplateData(DocumentTemplate $template): array
                     'sub_labels' => $c->sub_labels,
                 ];
             })->toArray(),
+            'section_fields' => $template->sectionFields->map(function ($f) {
+                return [
+                    'id' => $f->id,
+                    'field_key' => $f->field_key,
+                    'label' => $f->label,
+                    'field_type' => $f->field_type,
+                    'options' => $f->options,
+                    'width' => $f->width,
+                    'is_required' => $f->is_required,
+                ];
+            })->toArray(),
+            'template_links' => $template->links->map(function ($l) {
+                $values = $l->linkValues->map(function ($v) use ($l) {
+                    $displayText = $this->resolveDisplayText($l->source_table, $v->linkable_id, $l->display_fields);
+
+                    return [
+                        'id' => $v->id,
+                        'linkable_id' => $v->linkable_id,
+                        'display_text' => $displayText,
+                    ];
+                })->toArray();
+
+                return [
+                    'id' => $l->id,
+                    'link_key' => $l->link_key,
+                    'label' => $l->label,
+                    'link_type' => $l->link_type,
+                    'source_table' => $l->source_table,
+                    'search_params' => $l->search_params,
+                    'display_fields' => $l->display_fields,
+                    'is_required' => $l->is_required,
+                    'values' => $values,
+                ];
+            })->toArray(),
         ];
     }
-}
+
+    /**
+     * 소스 테이블에서 레코드의 표시 텍스트 조회
+     */
+    private function resolveDisplayText(?string $sourceTable, int $linkableId, ?array $displayFields): string
+    {
+        if (! $sourceTable || ! $linkableId) {
+            return "ID: {$linkableId}";
+        }
+
+        $titleField = $displayFields['title'] ?? 'name';
+        $subtitleField = $displayFields['subtitle'] ?? null;
+
+        // 모델 매핑
+        $modelMap = [
+            'items' => \App\Models\Items\Item::class,
+            'processes' => \App\Models\Process::class,
+            'users' => \App\Models\User::class,
+        ];
+
+        try {
+            if (isset($modelMap[$sourceTable])) {
+                $record = $modelMap[$sourceTable]::find($linkableId);
+            } else {
+                $record = DB::table($sourceTable)->find($linkableId);
+            }
+
+            if (! $record) {
+                return "ID: {$linkableId}";
+            }
+
+            $title = is_object($record) ? ($record->$titleField ?? '') : ($record->$titleField ?? '');
+            $subtitle = $subtitleField ? (is_object($record) ? ($record->$subtitleField ?? '') : ($record->$subtitleField ?? '')) : '';
+
+            return $title . ($subtitle ? " ({$subtitle})" : '');
+        } catch (\Exception $e) {
+            return "ID: {$linkableId}";
+        }
+    }
+}