{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-19T00:30:20.944045+00:00","duration_seconds":0.821618,"id":1844079,"input_summary":"chars=673 node=683210","metadata":{"llm_candidates":[{"callsign":"KO4LLU","confidence":0.78},{"callsign":"KF5S","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KO4LLU,KF5S","recording_id":175544,"started_at":"2026-07-19T00:30:20.122427+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":170761}