The llgo:skipall directive was preventing fallback to the standard library, causing undefined symbol errors for functions like WriteString, MakeSeed, etc. The overlay now only defines the two linkname functions, allowing typepatch to handle the rest. Generated with [codeagent](https://github.com/qbox/codeagent) Co-authored-by: luoliwoshang <luoliwoshang@users.noreply.github.com>