update deps and add caching (#6)

updated deps for demo

Merge pull request #5 from sagents-ai/me-new-ask-user-questions-ability

add support for AskUserQuestion middleware

Merge pull request #4 from sagents-ai/me-tool-context-support-added

add support for dotenvy

fix for intermittent CI failure test

updated lock file

updated demo

tool context support expanded in demo project

chat submit button style cleanup

disable input when in HITL interrupt state

update deps to latest versions

added missing validation value

major updates for interrupted tools and subagents