Use immediately when user mentions: "ๅฆ็ใใญใผ", "processing flow", "ใใญใผๅณ", "flow diagram", "Mermaid", "ใขใผใญใใฏใใฃ", "architecture", "็่งฃ่ฒ ๅต", "understanding debt", "ใชใ", "why", "ๆฐๅผ", "็่ซ", "ๅฏ่ฆๅ", "visualization", "่ฉณ็ดฐ", "drill-down", "method-level".
MUST USE this skill for:
- Creating hierarchical processing flow documentation with C4 model
- Multi-level drill-down from system โ container โ component โ code
- Documenting mathematical foundations and algorithms
- Recording decision rationale (ADR format)
- Reducing understanding debt for AI-generated code
- Visual context tracking with Mermaid diagram highlighting