curl https://api.tlearth.dev/v1/chat/completions \
  -H "Authorization: Bearer $TLearth_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "auto",
    "messages": [{"role":"user","content":"Draft a NDA"}],
    "route": {"quality": 0.7, "speed": 0.2, "cost": 0.1}
  }'