🧪 [Add test coverage for get() method in store]

[johnstrand]

🎯 What: Added tests for the get() method inside the createStore function in src/Squawk.ts, which was previously untested.
📊 Coverage: The new test file src/__tests__/Squawk.get.test.ts covers the happy path (verifying that get() returns the correct initial state) and the state after a store update.
✨ Result: Improved test coverage and reliability of the get() method.

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PR created automatically by Jules for task 15727124686836624786 started by @johnstrand

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