Return CSV instead of JSON for token efficiency #33
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rian-dolphin
approved these changes
Oct 14, 2025
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We've been returning JSON back to the LLMs which is inefficient for token usage. We now convert all of the JSON API responses to CSV and flatten any nested objects. We also account for cases where the Polygon API response structure varies (e.g. it's often a JSON object with a
resultsattribute but sometimes the data fields are top level without being nested under that key).Tests have been added to ensure the JSON to CSV conversion is robust and accurate. This PR also now runs tests for each PR and bumps a few of the dependencies.