扩展认证逻辑支持 API Token 和动态权限解析，更新配置结构及 Swagger 文档

internal/api/public/config.go

@@ -16,11 +16,23 @@ func NewConfigHandler() *ConfigHandler {
 
 // PublicConfig 公开配置结构
 type PublicConfig struct {
-	Site     config.SiteConfig   `json:"site"`
-	Upload   config.UploadConfig `json:"upload"`
-	APIToken struct {
-		Enabled bool `json:"enabled"`
-	} `json:"api_token"`
+	Site     config.SiteConfig    `json:"site"`
+	Security PublicSecurityConfig `json:"security"`
+	Upload   config.UploadConfig  `json:"upload"`
+	APIToken PublicAPITokenConfig `json:"api_token"`
+	Storage  PublicStorageConfig  `json:"storage"`
+}
+
+type PublicSecurityConfig struct {
+	PickupCodeLength int `json:"pickup_code_length"`
+}
+
+type PublicAPITokenConfig struct {
+	Enabled bool `json:"enabled"`
+}
+
+type PublicStorageConfig struct {
+	Type string `json:"type"`
 }
 
 // GetPublicConfig 获取非敏感配置
@@ -32,10 +44,18 @@ type PublicConfig struct {
 // @Router /api/config [get]
 func (h *ConfigHandler) GetPublicConfig(c *gin.Context) {
 	pub := PublicConfig{
-		Site:   config.GlobalConfig.Site,
+		Site: config.GlobalConfig.Site,
+		Security: PublicSecurityConfig{
+			PickupCodeLength: config.GlobalConfig.Security.PickupCodeLength,
+		},
 		Upload: config.GlobalConfig.Upload,
+		APIToken: PublicAPITokenConfig{
+			Enabled: config.GlobalConfig.APIToken.Enabled,
+		},
+		Storage: PublicStorageConfig{
+			Type: config.GlobalConfig.Storage.Type,
+		},
 	}
-	pub.APIToken.Enabled = config.GlobalConfig.APIToken.Enabled
 
 	c.JSON(http.StatusOK, model.SuccessResponse(pub))
 }