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⚡ Bolt: [performance improvement] Optimize PascalCase conversion by removing intermediate Vec allocation - #93

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⚡ Bolt: [performance improvement] Optimize PascalCase conversion by removing intermediate Vec allocation#93
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💡 What: Replaced .collect::<Vec<_>>().join("") with .collect::<String>() for PascalCase string conversion. Also replaced .collect::<String>() on a single char ToLowercase conversion with .to_string().
🎯 Why: Iterating over strings and allocating a whole intermediate Vec of strings just to immediately join them is an unnecessary heap allocation in performance-critical string processing logic like SDK case conversions.
📊 Impact: Expected reduction in memory allocation overhead, making operations faster for every SDK component generation that triggers casing logic.
🔬 Measurement: Verify changes compile and tests pass via make check and make test-generator. Tests passed successfully.


PR created automatically by Jules for task 15407452203529046352 started by @cloudesize67-cmd

…emoving intermediate Vec allocation

Refactored `xdk-lib/src/casing.rs` to avoid allocating an intermediate `Vec` when collecting iterators into a `String`, utilizing `.collect::<String>()` and `.to_string()` directly.

Co-authored-by: cloudesize67-cmd <237356855+cloudesize67-cmd@users.noreply.github.com>
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