{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-01T11:48:39.636999+00:00","duration_seconds":0.578962,"id":1259473,"input_summary":"chars=592 node=683210","metadata":{"llm_candidates":[{"callsign":"KK4D","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=2 calls=KK4D","recording_id":135212,"started_at":"2026-07-01T11:48:39.058037+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":134473}