{
  "observation": "This is the prefill-only baseline aligned to run_qwen235b.sh. Keep the internal vLLM launch shape unchanged and replay the thinking trace with completion forced to 1 token.",
  "diagnosis": "A baseline measurement is required before proposing prefill-only TTFT improvements. Preserve all current envs and flags from run_qwen235b.sh to establish the first feasible sampling_u/request_rate point under the TTFT-only SLO.",
  "config_patch": {
    "env_patch": {},
    "flag_patch": {}
  },
  "expected_effects": [
    "Establish a launch-safe prefill-only baseline for qwen3-235b thinking traffic",
    "Seed later trials from the first feasible sampling_u if one exists"
  ],
  "why_not_previous_failures": "No previous failures in this study."
}