{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-06T11:24:25.545156+00:00","duration_seconds":1.444589,"id":1426884,"input_summary":"chars=693 node=683210","metadata":{"llm_candidates":[{"callsign":"K68S","confidence":0.78},{"callsign":"W4PX","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K68S,W4PX","recording_id":147082,"started_at":"2026-07-06T11:24:24.100567+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":145264}