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HTTP 200 – Phản hồi API: Array
(
[candidates] => Array
(
[0] => Array
(
[content] => Array
(
[role] => model
)

                [index] => 0
                [groundingMetadata] => Array
                    (
                    )
            )
    )
[usageMetadata] => Array
    (
        [promptTokenCount] => 294
        [totalTokenCount] => 7859
        [promptTokensDetails] => Array
            (
                [0] => Array
                    (
                        [modality] => TEXT
                        [tokenCount] => 294
                    )
            )
        [thoughtsTokenCount] => 7565
    )
[modelVersion] => gemini-2.5-flash-lite
[responseId] => 9iHrafecEbva1e8Pwb32uQQ

)