format and fix minor issues due to the transition nodes

add transition node for context preparation from coder to tester

add transition node for context preparation between planner and coder

improve description of some TesterSummary fields and fix other minor details

add coder retry loop and coder persistent data rule

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

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

expand coder working scope

remove factory from coder and planner nodes

reestruture planner code

add submit_coder_summary tool

reestructure code of coder