{"raw": "{\"side\": \"buy\", \"quantity\": 0.2, \"order_type\": \"market\", \"rationale\": \"Buy low to increase holdings and expected wealth, within margin limit.\"}", "usage": {"prompt_tokens": 326, "completion_tokens": 46, "total_tokens": 372, "prompt_tokens_details": {"cached_tokens": 167}}, "fingerprint": "0.31.3-0.31.2-macOS-26.4-arm64-arm-64bit-Mach-O-applegpu_g15d", "attempts": 1, "error": ""}