flowchart TB
Amara["ConceptMastery: Amara
score 0.82"]:::student
Devon["ConceptMastery: Devon
score 0.55"]:::student
Priya["ConceptMastery: Priya
score 0.91"]:::student
Roll["SectionRollup
mastery_distribution, mean_score, student_count, last_computed"]:::roll
Section["Section"]:::section
Rep1["Class Mastery Heatmap"]:::report
Rep2["Concept Difficulty Ranking"]:::report
Rep3["other class-level reports"]:::report
Amara -->|ROLLS_UP_TO| Roll
Devon -->|ROLLS_UP_TO| Roll
Priya -->|ROLLS_UP_TO| Roll
Roll -->|FOR_SECTION| Section
Roll -.-> Rep1
Roll -.-> Rep2
Roll -.-> Rep3
classDef student fill:#cfd8dc,stroke:#8a9aa1,color:#1a2430,font-size:12px
classDef roll fill:#2a9d8f,stroke:#1f7a6f,color:#fff,font-size:12px
classDef section fill:#37474f,stroke:#1c2529,color:#fff,font-size:12px
classDef report fill:#eef2f0,stroke:#9bbdb5,color:#234,font-size:11px
linkStyle default stroke:#999,stroke-width:2px