feat: improve asset code generation and re-sequence assets by year

- Enhanced backend asset code generation logic to handle multiple tables
- Integrated asset code generation button in HWModal
- Included utility scripts for asset code migration and DB synchronization
- Resolved issues with missing purchase dates and duplicate asset codes

src/components/Modal/HWModal.ts

@@ -8,7 +8,7 @@ import {
   bindLocationEvents, 
   applyDateMask
 } from './ModalUtils';
-import { CORP_LIST, LOCATION_DATA, CATEGORY_TYPE_MAP, HW_STATUS_LIST, ORG_LIST, IMAGE_LOCATIONS } from './SharedData';
+import { CORP_LIST, LOCATION_DATA, CATEGORY_TYPE_MAP, HW_STATUS_LIST, ORG_LIST, IMAGE_LOCATIONS, TYPE_PREFIX_MAP } from './SharedData';
 import { BaseModal } from './BaseModal';
 import { createIcons, X, History, Plus, Save, Paperclip, Calendar, Monitor, Cpu, Network, ShieldCheck } from 'lucide';
 
@@ -278,6 +278,23 @@ class HwAssetModal extends BaseModal {
         : '<option value="">구분을 먼저 선택하세요</option>';
     });
 
+    document.getElementById('btn-gen-hw-code')?.addEventListener('click', async () => {
+      const cat = categorySelect.value;
+      if (!cat) { alert('구분을 먼저 선택해주세요.'); return; }
+      
+      const prefix = TYPE_PREFIX_MAP[cat] || 'ETC';
+      
+      try {
+        const res = await fetch(`http://${location.hostname}:3000/api/generate-asset-code?prefix=${prefix}`);
+        const data = await res.json();
+        if (data.nextCode) {
+          setFieldValue('hw-asset_code', data.nextCode);
+        }
+      } catch (err) {
+        console.error('코드 생성 실패:', err);
+      }
+    });
+
     bldgSelect.addEventListener('change', () => setTimeout(() => this.updateMapButtonVisibility(), 100));
     detailSelect.addEventListener('change', () => this.updateMapButtonVisibility());