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⚡ Bolt: Optimized string manipulation in Helper class

💡 What:

  • Refactored IsTheSame to use a new private helper NormalizeString.
  • Refactored GetIdentifier to use StringBuilder.

🎯 Why:

  • IsTheSame was creating 4 intermediate string copies for every comparison (8 per call), which is expensive for large files.
  • GetIdentifier was using O(n^2) string concatenation.

📊 Impact:

  • Reduces allocations for string comparisons significantly (O(n) vs O(n) but with constant factor 1/5th of allocations).
  • Improves GetIdentifier complexity from O(n^2) to O(n).

🔬 Measurement:

  • Verified logic equivalency using Python simulation script.

PR created automatically by Jules for task 9034333475634463291 started by @phuocle

- Optimize `IsTheSame` to use single-pass `NormalizeString` with `StringBuilder` instead of 4 chained `Replace` calls.
- Optimize `GetIdentifier` to use `StringBuilder` instead of string concatenation in a loop.
- Reduces memory allocations and improves performance for string-heavy operations.
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