feat: 优化领导者服务

internal/store/redis.go

@@ -117,3 +117,8 @@ func (s *RedisStore) Pipeline() Pipeliner {
 		pipe: s.client.Pipeline(),
 	}
 }
+
+// Eval executes a Lua script on Redis.
+func (s *RedisStore) Eval(script string, keys []string, args ...interface{}) (interface{}, error) {
+	return s.client.Eval(context.Background(), script, keys, args...).Result()
+}

internal/store/store.go

@@ -56,3 +56,8 @@ type Pipeliner interface {
 type RedisPipeliner interface {
 	Pipeline() Pipeliner
 }
+
+// LuaScripter is an optional interface that a Store can implement to provide Lua script execution.
+type LuaScripter interface {
+	Eval(script string, keys []string, args ...interface{}) (interface{}, error)
+}