feat(dashboard): 接入预测结果聚合

src/server/battery/mysql.ts

@@ -4,6 +4,7 @@ import { type BatteryInfo, type BatteryInfoSourceRow, toBatteryInfo } from '@/do
 import { env } from '@/env'
 
 const historyLimit = 500
+const predictionHistoryLimit = 10
 
 type BatteryInfoMysqlRow = RowDataPacket & BatteryInfoSourceRow
 
@@ -55,6 +56,21 @@ export async function getBatteryHistory(mac: string): Promise<BatteryInfo[]> {
   return rows.map(toBatteryInfo)
 }
 
+export async function getBatteryPredictionHistory(mac: string): Promise<BatteryInfo[]> {
+  const [rows] = await getBatteryPool().query<BatteryInfoMysqlRow[]>(
+    `
+      SELECT ${sourceColumns}
+      FROM ls_battery_info
+      WHERE mac = :mac
+      ORDER BY create_time DESC, id DESC
+      LIMIT :limit
+    `,
+    { mac, limit: predictionHistoryLimit },
+  )
+
+  return rows.map(toBatteryInfo).reverse()
+}
+
 export async function getLatestBatteryPerDevice(): Promise<BatteryInfo[]> {
   const [rows] = await getBatteryPool().query<BatteryInfoMysqlRow[]>(`
     SELECT ${sourceColumns}