{"agent_type":"callsign_analysis","ai_model":"/stor/models/Qwen2.5-72B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-13T17:20:47.935980+00:00","duration_seconds":2.346908,"id":1667935,"input_summary":"chars=670 node=683210","metadata":{"llm_candidates":[{"callsign":"W4PLP","confidence":0.78},{"callsign":"B4PLP","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=W4PLP,B4PLP","recording_id":163728,"started_at":"2026-07-13T17:20:45.589072+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":160381}