Give 10 of 11 samples initial values, rules, and a run window so they simulate on load: Bathtub (linear), Savings/Escalation/Fixes-that-fail (Reinforcing), Coffee (Balancing), Population, Epidemic (SIR), Tragedy (overshoot/collapse), Drift (eroding goal), Predator-prey (damped). Limits to growth is left diagram-only — its S-curve needs a saturating rule the vocabulary lacks.