[update]

檀家詳細画面から遷移先を追加

src/app/pages/danka-detail/danka-detail.html

 
                     <div class="family-tree-action-list">
                       <button type="button" class="tree-action-button"
-                              [routerLink]="['/danka', danka.id, 'family-new']">
+                              [routerLink]="['/danka', danka.id, 'family-new']"
+                              [queryParams]="{relationMode: 'child', baseFamilyId: selectedFamily?.id}">
                         親子を追加
                       </button>
 
                       <button type="button" class="tree-action-button"
-                              [routerLink]="['/danka', danka.id, 'family-new']">
+                              [routerLink]="['/danka', danka.id, 'family-new']"
+                              [queryParams]="{relationMode: 'spouse', baseFamilyId: selectedFamily?.id}">
                         配偶者を追加
                       </button>
                     </div>