* docs: add documentation for graph flows
Adds a detailed markdown document `docs/graph_flows.md` that contains the definitions, agent system prompts, and tool access lists for the four main graph flows in the TradingAgents system (Scanner, Pipeline, Portfolio, and Auto flow).
Co-authored-by: aguzererler <6199053+aguzererler@users.noreply.github.com>
* docs: regenerate graph flow overview
---------
Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
Co-authored-by: aguzererler <6199053+aguzererler@users.noreply.github.com>
ahmet guzererler