{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-09T11:46:53.387934+00:00","duration_seconds":1.125562,"id":1525031,"input_summary":"chars=666 node=683210","metadata":{"llm_candidates":[{"callsign":"W8NJT","confidence":0.78},{"callsign":"W5KAL","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W8NJT,W5KAL","recording_id":153964,"started_at":"2026-07-09T11:46:52.262372+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":151392}