docs: add work log for 2026-06-15 and update DB deletion policy in README

scratch/deep_audit.cjs

@@ -0,0 +1,69 @@
+const XLSX = require('xlsx');
+const mysql = require('mysql2/promise');
+require('dotenv').config();
+
+async function deepAudit() {
+  const workbook = XLSX.readFile('asset_pc (2026.06.15).xlsx');
+  const sheet = workbook.Sheets[workbook.SheetNames[0]];
+  const excelData = XLSX.utils.sheet_to_json(sheet);
+
+  console.log('📊 [Excel Audit] Total Rows:', excelData.length);
+
+  // 1. 엑셀 내 asset_type 종류 확인
+  const excelTypes = new Set();
+  excelData.forEach(r => excelTypes.add(r.asset_type));
+  console.log('Excel Asset Types:', Array.from(excelTypes));
+
+  // 2. '공용' 키워드가 들어간 모든 행 추출
+  const publicKeywords = ['공용', '공통', '테스트', 'TEST'];
+  const potentialPublicInExcel = excelData.filter(r => {
+    const name = String(r.user_current || '');
+    const type = String(r.asset_type || '');
+    const memo = String(r.memo || '');
+    return publicKeywords.some(k => name.includes(k) || type.includes(k) || memo.includes(k)) || !r.emp_no;
+  });
+
+  console.log(`\n🔍 [Potential Public/Issue Rows in Excel]: ${potentialPublicInExcel.length}건`);
+  console.table(potentialPublicInExcel.slice(0, 30).map(r => ({
+    emp_no: r.emp_no,
+    user: r.user_current,
+    dept: r.current_dept,
+    type: r.asset_type,
+    memo: r.memo
+  })));
+
+  // 3. DB와 대조 (특히 엑셀엔 사번이 있는데 DB엔 공용으로 된 게 있는지)
+  const connection = await mysql.createConnection({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASS,
+    database: process.env.DB_NAME,
+    port: parseInt(process.env.DB_PORT || '3306')
+  });
+
+  const [dbRows] = await connection.query('SELECT id, user_current, emp_no, asset_type FROM asset_core WHERE id LIKE "PC_20260615_%"');
+  
+  // 엑셀은 개인PC인데 DB는 공용인 경우 (또는 그 반대)
+  const issues = [];
+  for (let i = 0; i < excelData.length; i++) {
+    const ex = excelData[i];
+    const id = `PC_20260615_${String(i + 1).padStart(4, '0')}`;
+    const db = dbRows.find(r => r.id === id);
+    
+    if (!db) continue;
+
+    const isExcelPublic = !ex.emp_no || String(ex.user_current).includes('공용');
+    const isDbPublic = !db.emp_no || String(db.user_current).includes('공용');
+
+    if (isExcelPublic !== isDbPublic) {
+      issues.push({ id, excel_user: ex.user_current, db_user: db.user_current, excel_emp: ex.emp_no, db_emp: db.emp_no });
+    }
+  }
+
+  console.log(`\n⚠️ [Consistency Issues]: ${issues.length}건`);
+  if (issues.length > 0) console.table(issues);
+
+  await connection.end();
+}
+
+deepAudit().catch(console.error);