{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-12T14:53:45.784497+00:00","duration_seconds":2.484343,"id":1621826,"input_summary":"chars=696 node=683210","metadata":{"llm_candidates":[{"callsign":"KB6LUV","confidence":0.78},{"callsign":"KB3HA","confidence":0.78}]},"output_summary":"ai_candidates=2 merged=2 calls=KB6LUV,KB3HA","recording_id":160566,"started_at":"2026-07-12T14:53:43.300154+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":157417}