feat: 添加 hydrogen_energy 数据库连接和里程管理类型定义

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/modules/mileage/types.ts

@@ -0,0 +1,53 @@
+export interface MonitoringVehicle {
+  plate: string;
+  vin: string;
+  dailyKm: number;
+  totalKm: number | null;
+  source: string;
+  isOnline: boolean;
+  isDataSynced: boolean;
+  customer: string | null;
+  department: string | null;
+  manager: string | null;
+}
+
+export interface MonitoringData {
+  vehicles: MonitoringVehicle[];
+  updatedAt: string;
+}
+
+export interface TargetSummary {
+  id: number;
+  targetName: string;
+  vehicleCount: number;
+  totalMileagePerVehicle: number;
+  annualMileagePerVehicle: number;
+  assessmentYears: number;
+  period: string;
+  todayTotal: number;
+  cumulativeTotal: number;
+  avgCompletion: number;
+  qualifiedCount: number;
+  yearQualifiedCount: number;
+  halfQualifiedCount: number;
+  currentYearTarget: number;
+  currentYearCompleted: number;
+  remaining: number;
+  daysLeft: number;
+  dailyTarget: number;
+}
+
+export interface TargetVehicle {
+  plateNumber: string;
+  todayMileage: number;
+  totalMileage: number;
+  completionRate: number;
+  isQualified: boolean;
+  currentYearIsQualified: boolean;
+  dailyRequiredMileage: number;
+}
+
+export interface TrendPoint {
+  date: string;
+  mileage: number;
+}

src/server/mileage-db.ts

@@ -0,0 +1,14 @@
+import mysql from 'mysql2/promise';
+
+const mileagePool = mysql.createPool({
+  host: '101.133.130.65',
+  port: 3306,
+  user: 'bi_reader_02',
+  password: 'bi_reader_02_Pass',
+  database: 'hydrogen_energy',
+  waitForConnections: true,
+  connectionLimit: 5,
+  queueLimit: 0,
+});
+
+export default mileagePool;