{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-17T05:41:31.542480+00:00","duration_seconds":0.914228,"id":1784175,"input_summary":"chars=483 node=683211","metadata":{"llm_candidates":[{"callsign":"K7M7G","confidence":0.78},{"callsign":"K7D2","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=3 calls=K7M7G,K7D2","recording_id":171434,"started_at":"2026-07-17T05:41:30.628252+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":167089}