master
rename filesystem module to system and implement runCommand action
fix: correct typo in variable name for current goals in pinnedMessage function
refactor rename
put quotes around note and goal titles
improve command execution output handling to include both stdout and stderr in error messages
update model registry to include gpt-4.1 and adjust default model in parameters; modify test to use string reference for gpt-3.5-turbo
make google search engine id configurable in the env