ריפקטורינג של קוד ישן עם AI

Explain what this code does in plain English. Identify: the purpose of each function, any side effects, external dependencies, what other parts of the codebase likely depend on this, and what the riskiest parts to change are. Code:

[PASTE CODE]

Suggest refactoring improvements for this code, ordered by: impact (how much it improves readability/performance/maintainability) and risk (how likely it is to introduce bugs). For each suggestion: what to change, why it's better, and any risks. Code:

[PASTE CODE]

Refactor only this single function. Preserve the existing behavior exactly — do not change what it returns or its side effects. Apply these improvements: [LIST IMPROVEMENTS FROM PREVIOUS STEP]. Show the before and after, and explain each change. Function:

[PASTE SINGLE FUNCTION]