improve description of some TesterSummary fields and fix other minor details

add tool tester_run_project_verification and validation to enforce that the verifications occur before moving to the next node

add coder retry loop and coder persistent data rule

add auto tester retry loop and annotate std input

add tester_run_verification_command to tester; update tester summary fields description, and related

add coder's and tester's states to facilitate routing

fix graph

starting to work on tester node and consolidating some tools into a shared folder for reuse.

tie up code and start working on the tester node