refactor: obj name mapping and internal path processing (#2733)

* refactor:Prepare to remove the get interface

* feat:add obj Unwarp interface

* refactor:obj name mapping and program internal path processing

* chore: fix typo

* feat: unwrap get

* fix: no use op.Get to get parent id

* fix: set the path uniformly

Co-authored-by: Noah Hsu <i@nn.ci>

internal/db/meta.go

@@ -19,7 +19,7 @@ var metaCache = cache.NewMemCache(cache.WithShards[*model.Meta](2))
 var metaG singleflight.Group[*model.Meta]
 
 func GetNearestMeta(path string) (*model.Meta, error) {
-	path = utils.StandardizePath(path)
+	path = utils.FixAndCleanPath(path)
 	meta, err := GetMetaByPath(path)
 	if err == nil {
 		return meta, nil