1{"raw": "{\n \"side\": \"buy\",\n \"quantity\": 0.02,\n \"order_type\": \"limit\",\n \"limit_price\": 4.655,\n \"rationale\": \"Buying to increase holdings within margin limit, aiming to maintain moderate risk and potentially increase expected wealth next period.\"\n}", "usage": {"prompt_tokens": 355, "completion_tokens": 80, "total_tokens": 435, "prompt_tokens_details": {"cached_tokens": 224}}, "fingerprint": "0.31.3-0.31.2-macOS-26.4-arm64-arm-64bit-Mach-O-applegpu_g15d", "attempts": 1, "error": ""}