🧰 Hook Unit Tests

[NickTheDevOpsGuy]

Description

Write unit tests for useSnakeGame, useTicker, and useInput.
Goal: testing refs, timers, and event logic.
Test: hooks pass predictable deterministic cases.

Scope / Affected Area

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Proposed Approach

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Screenshots / Logs (optional)

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Additional Context

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Checklist

• I searched existing issues for duplicates
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