graph LR PC["Perceived Competence"]:::shared -->|"+"| EI["Effort Invested"]:::r1 EI -->|"+ with delay"| SG["Skill Growth"]:::r1 SG -->|"+"| PC TDM["Task Difficulty Match"]:::shared -->|"+"| PC TDM -->|"−"| FR["Frustration"]:::r2 FR -->|"+"| AV["Avoidance"]:::r2 AV -->|"+"| SKG["Skill Gap"]:::r2 SKG -->|"−"| TDM PC -->|"−"| FR R1[" R1: Competence Flywheel -- reinforcing "]:::looplabel R2[" R2: Frustration Brake -- reinforcing, corrosive "]:::looplabel classDef r1 fill:#4A90D9,stroke:#2C5F8A,color:#fff classDef r2 fill:#E8795A,stroke:#C0392B,color:#fff classDef shared fill:#7B8D8E,stroke:#4A6163,color:#fff classDef looplabel fill:none,stroke:none,color:#555,font-size:12px