add coder retry loop and coder persistent data rule

add auto tester retry loop and annotate std input

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

fix graph

defining routes, improving graph and other work related to tester node

modifying tools for reuse

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

remove factory from coder and planner nodes

tie up code and start working on the tester node

reestruture planner code

reestructure code of coder

fix ToolRuntime and args conflict

improve code generation

add coder node

add coder node structure and update graph

add initial graph structure and planner

Create initial project structure