# Prompts: invoice-chasing (common.py) by default, or a task JSON from env TASKFILE (tests/tasks/*.json).
# Requests go via a local logging proxy (tests/proxy.py) that adds the xAI key and records token usage per run tag.
import os,json
from common import SYSTEM, TASK
if os.environ.get("TASKFILE"):
    _t=json.load(open(os.environ["TASKFILE"])); SYSTEM=_t["system"]; TASK=_t["task"]
MODEL=os.environ.get("MODEL","grok-4.20-0309-non-reasoning"); BASE=f"http://127.0.0.1:8787/t/{os.environ.get('TAG','untagged')}/v1"; KEY="via-proxy"