A agentic factor mining plugin for DSH

Key features

• Lets LLM Agent dig up the cross-section under mandatory engine research discipline.
• horizonForward Gain Window (default 20 bar)
• The calculator set of the random generator is a precursor to artificially planned -- it's "random exploration in structured space" and not an impartial search.
• Execute model t1 (Communication T closing T+1 opening and entering T+H closing)
• dev end/sel endThree-part divide (must appear in pairs)