refactor: rename safe and audit backend resources

backend/api/internal/models/safe_rule.go

@@ -0,0 +1,16 @@
+package models
+
+import "git.apinb.com/bsm-sdk/core/database"
+
+// SafeRule 对应 safe_rule，保存安全规则。
+type SafeRule struct {
+	Entity           // 公共实体字段
+	RuleCode  string `gorm:"column:rule_code;type:varchar(64);not null;uniqueIndex" json:"rule_code"` // rule_code 业务字段
+	VersionNo int    `gorm:"column:version_no;not null;default:1" json:"version_no"`                  // version_no 业务字段
+	Threshold string `gorm:"column:threshold;type:jsonb;not null;default:'{}'" json:"threshold"`      // threshold 业务字段
+	Action    string `gorm:"column:action;type:varchar(64);not null" json:"action"`                   // action 业务字段
+	GrayScope string `gorm:"column:gray_scope;type:jsonb;not null;default:'{}'" json:"gray_scope"`    // gray_scope 业务字段
+}
+
+func init()                               { database.AppendMigrate(&SafeRule{}) }
+func (table *SafeRule) TableName() string { return "safe_rule" }