feat: 테넌트 모달 하단 버튼 플로팅 고정

- 닫기/수정 버튼을 모달 하단에 고정 (flex-shrink-0)
- 콘텐츠 스크롤 시에도 버튼 항상 표시
- 기존 modal-info 내부 버튼 제거

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

public/js/tenant-modal.js

@@ -56,6 +56,11 @@ const TenantModal = {
             this.modalElement.classList.add('hidden');
             document.body.style.overflow = '';
         }
+        // 푸터 숨기기
+        const footer = document.getElementById('tenant-modal-footer');
+        if (footer) {
+            footer.classList.add('hidden');
+        }
         this.currentTenantId = null;
     },
 
@@ -86,6 +91,11 @@ const TenantModal = {
                 if (content) {
                     content.innerHTML = data.html;
                 }
+                // 푸터 표시
+                const footer = document.getElementById('tenant-modal-footer');
+                if (footer) {
+                    footer.classList.remove('hidden');
+                }
                 // 구독정보 탭 자동 로드
                 this.currentTab = ''; // switchTab에서 early return 방지
                 await this.switchTab('subscription');

resources/views/components/tenant-modal.blade.php

@@ -34,6 +34,22 @@ class="text-gray-400 hover:text-gray-600 transition-colors">
                 </div>
             </div>
 
+            {{-- 모달 푸터 (하단 고정) --}}
+            <div id="tenant-modal-footer" class="hidden flex-shrink-0 px-6 py-4 border-t border-gray-200 bg-gray-50">
+                <div class="flex justify-end gap-2">
+                    <button type="button"
+                            onclick="TenantModal.close()"
+                            class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-lg hover:bg-gray-50">
+                        닫기
+                    </button>
+                    <button type="button"
+                            onclick="TenantModal.goToEdit()"
+                            class="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700">
+                        수정
+                    </button>
+                </div>
+            </div>
+
         </div>
     </div>
 </div>

resources/views/tenants/partials/modal-info.blade.php

@@ -166,17 +166,4 @@ class="px-4 py-2 text-sm font-medium border-b-2 border-transparent text-gray-500
         </div>
     </div>
 
-    {{-- 하단 버튼 --}}
-    <div class="flex justify-end gap-2 mt-6 pt-4 border-t border-gray-200">
-        <button type="button"
-                onclick="TenantModal.close()"
-                class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-lg hover:bg-gray-50">
-            닫기
-        </button>
-        <button type="button"
-                onclick="TenantModal.goToEdit()"
-                class="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700">
-            수정
-        </button>
-    </div>
 </div>