{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-08T11:41:48.050344+00:00","duration_seconds":1.056545,"id":1496825,"input_summary":"chars=542 node=683210","metadata":{"llm_candidates":[{"callsign":"W2A73","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=3 calls=W2A73","recording_id":152032,"started_at":"2026-07-08T11:41:46.993799+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":149656}