Refactor: Simplify Build Path and Update Generative AI Configuration

[patchen0518]

This pull request introduces two key refactorings to improve code clarity and align with the latest library standards.

1. Simplified Build Path

The build path logic has been refactored to remove the repetitive use of parents.parents.parents.... This results in a more readable manner.

2. Updated generate_content Configuration

During a review of the generate_content function, I noticed the use of a config dictionary to set tools and temperature. While this approach functions, it appears to be based on a previous version of the API, as suggested by the deprecated generative-ai-python repository.

The official Google AI for Developers documentation use types.generatecontentconfig instead of using the old way.

Old Configuration:

config = {
    'tools': [{'Google Search': {}}],
    'temperature': 0,
}
# model.generate_content(..., config=config) # Likely older usage

I have updated the implementation to reflect this modern usage. If there is a specific reason for retaining the legacy config structure, I would be very interested to learn about it.

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