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I need to return only a JSON object.\n{\"winner\": \"B\", \"ratio\": \"3:2\", \"explanation\": \"Side B's commit wires up complete room UI with session cookies, private room threading, web posting, and scoped navigation (room_page, room_thread_view, etc.), plus auth flows that were previously missing.","reasoning_details":[{"type":"reasoning.summary","summary":"The user wants me to compare two commits and decide which contributed more lasting value. I need to return only a JSON object.\n{\"winner\": \"B\", \"ratio\": \"3:2\", \"explanation\": \"Side B's commit wires up complete room UI with session cookies, private room threading, web posting, and scoped navigation (room_page, room_thread_view, etc.), plus auth flows that were previously missing.","format":"xai-responses-v1","index":0},{"type":"reasoning.encrypted","data":"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","format":"xai-responses-v1","id":"rs_6e3b0d88-2674-9fda-a048-4b1312fe76fd","index":1}]}}],"usage":{"prompt_tokens":19965,"completion_tokens":743,"total_tokens":20708,"cost":0.0439528,"is_byok":false,"prompt_tokens_details":{"cached_tokens":256,"cache_write_tokens":0,"audio_tokens":0,"video_tokens":0},"cost_details":{"upstream_inference_cost":0.0439528,"upstream_inference_prompt_cost":0.0394948,"upstream_inference_completions_cost":0.004458},"completion_tokens_details":{"reasoning_tokens":616,"image_tokens":0,"audio_tokens":0}}}