{"raw": "{\n  \"side\": \"buy\",\n  \"quantity\": 0.499,\n  \"order_type\": \"market\",\n  \"limit_price\": 0,\n  \"borrow\": 0.499,\n  \"rationale\": \"Small buy to increase holdings, staying within margin limits.\"\n}", "usage": {"prompt_tokens": 345, "completion_tokens": 65, "total_tokens": 410, "prompt_tokens_details": {"cached_tokens": 200}}, "fingerprint": "0.31.3-0.31.2-macOS-26.6-arm64-arm-64bit-Mach-O-applegpu_g15d", "attempts": 1, "error": ""}