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

server.js

@@ -134,19 +134,48 @@ app.get('/api/generate-asset-code', async (req, res) => {
   try {
     const { prefix } = req.query;
     if (!prefix) return res.status(400).json({ error: 'Prefix is required' });
-    const tables = ['asset_pc', 'asset_server', 'asset_storage', 'asset_network', 'asset_survey', 'asset_pc_parts', 'asset_equipment', 'asset_office_supplies', 'asset_vip'];
+    
+    // asset_code 컬럼이 있는 것으로 확인된 테이블 목록 (DESCRIBE 결과 기반)
+    const tables = [
+      'asset_pc', 'asset_server', 'asset_storage', 'asset_network', 
+      'asset_equipment', 'asset_office_supplies', 'asset_survey', 'asset_vip'
+    ];
+    
     let lastCode = '';
+    let maxNum = 0;
+
     for (const table of tables) {
-        const [rows] = await pool.query(`SELECT asset_code FROM ${table} WHERE asset_code LIKE ? ORDER BY asset_code DESC LIMIT 1`, [`${prefix}%`]);
-        if (rows.length > 0 && rows[0].asset_code > lastCode) lastCode = rows[0].asset_code;
+        try {
+          const [rows] = await pool.query(
+            `SELECT asset_code FROM ${table} WHERE asset_code LIKE ? ORDER BY asset_code DESC LIMIT 1`, 
+            [`${prefix}%`]
+          );
+          
+          if (rows.length > 0) {
+            const code = rows[0].asset_code;
+            // 숫자 부분 추출 (예: SVR048 -> 48)
+            const numMatch = code.match(/\d+/);
+            if (numMatch) {
+              const num = parseInt(numMatch[0]);
+              if (num > maxNum) {
+                maxNum = num;
+                lastCode = code;
+              }
+            }
+          }
+        } catch (err) {
+          console.warn(`[GENERATE CODE] Skipping ${table}: ${err.message}`);
+        }
     }
-    let nextNum = 1;
-    if (lastCode) {
-      const lastNum = parseInt(lastCode.split('-').pop() || '0');
-      nextNum = lastNum + 1;
-    }
-    res.json({ nextCode: `${prefix}${String(nextNum).padStart(3, '0')}` });
-  } catch (err) { handleError(res, err, 'GENERATE CODE'); }
+    
+    const nextNum = maxNum + 1;
+    const nextCode = `${prefix}${String(nextNum).padStart(3, '0')}`;
+    
+    console.log(`🆕 [GENERATE CODE] Prefix: ${prefix}, Last: ${lastCode}, Next: ${nextCode}`);
+    res.json({ nextCode });
+  } catch (err) { 
+    handleError(res, err, 'GENERATE CODE'); 
+  }
 });
 
 // 6. Map Config API (Real-time Save)