Enhanced the logic for loading configuration files during API calls (now initialized only once)

[nightzjp]

…alls (now initialized only once)

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Description

Enhanced the logic for loading configuration files during API calls (now initialized only once)

Related Issues

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Proposed Changes

[List the specific changes made in this pull request.]

Checklist

• [x] I have tested these changes locally.
• [x] I have reviewed the code changes.
• [x] I have updated the documentation (if necessary).
• [x] I have added appropriate unit tests (if applicable).

Additional Notes

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[nightzjp]

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