新增歷史戰績刪除功能並更新 README

server/server.mjs

@@ -201,6 +201,53 @@ app.get('/api/history', async (_request, response) => {
   }
 })
 
+app.delete('/api/history/:id', async (request, response) => {
+  if (!pool) {
+    response.status(500).json({
+      ok: false,
+      message: `DB 設定不完整，缺少：${missingEnv.join(', ')}`,
+    })
+    return
+  }
+
+  const id = Number(request.params.id)
+
+  if (!Number.isInteger(id) || id <= 0) {
+    response.status(400).json({
+      ok: false,
+      message: '戰績編號格式不正確。',
+    })
+    return
+  }
+
+  try {
+    await ensureHistoryTable(pool, historyTableName)
+    const [result] = await pool.execute(
+      `DELETE FROM \`${historyTableName}\` WHERE id = ? LIMIT 1`,
+      [id],
+    )
+
+    if (result.affectedRows === 0) {
+      response.status(404).json({
+        ok: false,
+        message: '找不到要刪除的戰績。',
+      })
+      return
+    }
+
+    response.json({
+      ok: true,
+      message: '戰績已刪除。',
+    })
+  } catch (error) {
+    console.error('history delete error:', error)
+    response.status(500).json({
+      ok: false,
+      message: error instanceof Error ? error.message : '刪除戰績失敗。',
+    })
+  }
+})
+
 if (distReady) {
   app.use(express.static(distDir))