fix: remove hardcoded temperature=0 from ChatOpenAI model initialization

chore: update LLM model from o3 to o1 in LangGraphAgent initialization

chore: update LLM model from gpt-4.1 to o3 in LangGraphAgent

refactor: clarify prompt instructions for numeric answers in verify_format method

feat: enhance formatting assistant prompt to handle numeric answers and remove extra text

fix: update ChatOpenAI model from gpt-4o to gpt-4.1

feat: replace file contents with file link in agent workflow and prompts

feat: include original task file contents in answer generation and verification steps

feat: add file reading capability to agent workflow using task IDs

feat: add answer verification and formatting steps to workflow graph

refactor: simplify prompt to return only direct answer without additional text

typo for model

ddg search fix

lang graph fix and git ignore

lang graph fix and dev container

fix import