fs: 目录列举给裸名；目录 key 的 get/get_part 派生 index（#250） - #29
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两处对齐 redis 后端（issue #250）： 1. list 的成员前缀目录不再扁平展开 原来把 "string·" 展开为全部 "string·<成员>"，父目录会列出所有后代， 递归遍历/重建（layout dump、walk_lib）再也对不上父子层级。 改为发射去 OBJ_SEP 的裸名 —— 与存储索引登记成员前缀节点的方式一致。 2. get_raw / get_part 对目录 key 派生 index XValue 目录 key 在 fs 没有落盘索引（FS 自身即索引），原先直接返回空 → head 读前缀拿到 nil。现在按需用 dir_value().encode() 再返回/切片， 与「目录 key get 返回容器 XValue」一致。 Closes #250 Co-Authored-By: Claude Code <noreply@anthropic.com>
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变更（对齐 redis 后端，issue #250）
1. list 的成员前缀目录不再扁平展开
原来把
string·展开为全部string·<成员>—— 父目录会列出所有后代，递归遍历/重建（layout dump、tutorial/07-lib/walk_lib.kv）再也对不上父子层级。改为发射去OBJ_SEP的裸名，与存储索引登记成员前缀节点的方式一致。2.
get_raw/get_part对目录 key 派生 index XValue目录 key 在 fs 没有落盘索引（FS 自身即索引），原先直接返回空 → head 读前缀拿到
nil。现在按需dir_value().encode()再返回/切片，与「目录 key get 返回容器 XValue」一致。背景
排查 kvlang CI 的
test-fs超时时发现：kvspace·listlen("/lib/string/")在 fs 后端返回 0（深层列举拿不到成员）—— 正是 #250 记录的缺口（durable-fs 嵌套容器 memindex 取不回）。待验证
layout dump往返（round-trip）不受影响Closes #250
🤖 Generated with Claude Code