Systems Thinking Problem Definer — interactive web app for structured retail problem definition with causal loop diagrams

Vensim 系统动力学建模 AI Skill：.mdl 草图自动排版 + 信息箭头平滑弧线。基于官方 Sketch Format 解析，Graphviz 半固定布局，保留方程与对象 ID。适用于 SFD/CLD 课程作业、政策分析、论文图表。

Shiny for Python port of the MarineSABRES SES Toolbox (Horizon Europe). DAPSI(W)R(M) social-ecological systems analysis: AI-ISA wizard with rule-based + optional Claude API connection scoring, CLD visualization, network metrics, Boolean & dynamic simulation.