PraisonAI GitHub template cache path traversal allows outside-cache file write and directory deletion

SummaryPraisonAI's template loader accepts GitHub template URIs with refs, for examplegithub:owner/repo/[email protected]. The resolver stores the user-controlledtemplate path and ref verbatim, and the cache layer later joins those values into/.praison/cache/templates/github//// withoutnormalizing...