{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T15:26:51.246889+00:00","duration_seconds":1.878274,"id":1623189,"input_summary":"chars=722 node=683210","metadata":{"llm_candidates":[{"callsign":"M6EKV","confidence":0.78},{"callsign":"AI6JB","confidence":0.78},{"callsign":"W6EK","confidence":0.78}]},"output_summary":"ai_candidates=3 merged=4 calls=M6EKV,AI6JB,W6EK","recording_id":160665,"started_at":"2026-07-12T15:26:49.368615+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157509}