{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-03T22:38:56.885623+00:00","duration_seconds":0.732602,"id":1346471,"input_summary":"chars=737 node=683210","metadata":{"llm_candidates":[{"callsign":"KY4ENB","confidence":0.78},{"callsign":"GW8SLL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=4 calls=KY4ENB,GW8SLL","recording_id":141633,"started_at":"2026-07-03T22:38:56.153021+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":140244}