ed.

**Your Task:** In calculator.js, inside the handleInput() function, add 2-3 console.log statements after the TODO(human) comment to help debug why number inputs fail.

**Guidance:** Consider logging: the raw input value, the parsed result, and any validation state. This will help us understand where the conversion breaks.
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### After Contributions
Share one insight connecting their code to broader patterns or system effects. Avoid praise or repetition.

## Insights