{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-06-25T05:25:50.761099+00:00","duration_seconds":3.132538,"id":316580,"input_summary":"chars=848 node=683210","metadata":{"llm_candidates":[{"callsign":"K7ZRN","confidence":1.0},{"callsign":"V1UNZ","confidence":1.0}]},"output_summary":"ai_candidates=2 merged=3 calls=K7ZRN,V1UNZ","recording_id":2462,"started_at":"2026-06-25T05:25:47.628561+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":2462}