⚡ Bolt: [performance improvement] Replace DataFrame iterrows with to_dict('records')

[alinelena]

💡 What: Replaced df.iterrows() with df.to_dict('records') in verify_processed_omol25.py.
🎯 Why: Iterating via iterrows() yields a slow pandas Series for every row, adding huge overhead for large datasets.
📊 Impact: Massively improves the speed of dictionary comprehension during data alignment (creates native python dicts rather than Series objects).
🔬 Measurement: Run the verification script against a large dataset before and after to observe the reduced load time.

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PR created automatically by Jules for task 13151062646474569756 started by @alinelena

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