Enhance SdlcNode with JSON validation and retry logic for design document generation; improve error handling and logging for user stories and design documents.

Refactor SDLC graph builder to remove memory checkpointer; add prompt library for user stories; update Streamlit UI for project details input; enhance project details handling in session state.

stream issue

state not passing

check streamlit app

feedback issue

Intrupt issue

intrupt pblm

More logging

ONLY DOUBLE PRINT PBLM

Infinite loop After giving comments

Debug Logging Added

Button responded next stage to clear

starting

load ui, main, app