PC 이름 변경기능 추가

src/repositories/myRepository.js

@@ -45,6 +45,18 @@ const myRepository = {
 
     return rows.length > 0 ? rows[0].combination_id : null;
   },
+
+  async updateCombinationName(combinationId, newName) {
+    const query = `
+      UPDATE combinations
+      SET name = $1, updated_at = NOW()
+      WHERE id = $2
+    `;
+    const values = [newName, combinationId];
+
+    const { rowCount } = await pool.query(query, values);
+    return rowCount > 0;
+  },
 };
 
 export default myRepository;