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

tie up code and start working on the tester node

reestruture planner code

add submit_coder_summary tool

reestructure code of coder