Improve Langgraph code

[luv-singh-ai]

Currently the Langgraph flow does not capture semantic meaning naturally which needs to change. Also agents start looping among themselves which is a concern. See this discussion and please add your ideas there - #3

[luv-singh-ai]

@joel-bansal @mananj23 Hey, try changing the planner_prompt for starters.
Try using few shot prompting eg adding one example for each of agents & when they should be called.