添加配置加载和授权服务初始化，更新授权模型引用，重构授权文件生成和处理逻辑，优化 TOTP 密钥生成及错误处理

cmii-uav-watchdog/services/totp_service.go

@@ -3,8 +3,10 @@ package services
 import (
 	"cmii-uav-watchdog/config"
 	"errors"
+	"log"
 	"time"
 
+	otp "cmii-uav-watchdog-otp"
 	"cmii-uav-watchdog-otp/totp"
 )
 
@@ -41,3 +43,23 @@ func (ts *TOTPService) VerifyTOTP(code string) error {
 
 	return nil
 }
+
+// GenerateTOTPSecret 生成TOTP密钥
+func (ts *TOTPService) GenerateTOTPSecret() (string, error) {
+	secret, err := totp.Generate(totp.GenerateOpts{
+		SecretSize:  32,
+		Issuer:      "cmii-uav-watchdog",
+		AccountName: "cmii-uav-watchdog",
+		Period:      30,
+		Secret:      []byte{},
+		Digits:      otp.DigitsSix,
+		Algorithm:   otp.AlgorithmSHA1,
+		Rand:        nil,
+	})
+	if err != nil {
+		log.Printf("生成TOTP密钥失败: %v", err)
+		return "", err
+	}
+
+	return secret.Secret(), nil
+}