Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

common/redis/redsync.go

@@ -0,0 +1,11 @@
+package redis
+
+import (
+	"github.com/go-redsync/redsync/v4"
+	"github.com/go-redsync/redsync/v4/redis/goredis"
+)
+
+// BuildLock 构建redis分布式锁。
+func BuildLock(client *Client, key string, options ...redsync.Option) *redsync.Mutex {
+	return redsync.New(goredis.NewPool(client.client)).NewMutex(key, options...)
+}