{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-16T12:57:32.084772+00:00","duration_seconds":1.709691,"id":1740124,"input_summary":"chars=319 node=683210","metadata":{"llm_candidates":[{"callsign":"K04F","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=4 calls=K04F","recording_id":168295,"started_at":"2026-07-16T12:57:30.375081+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":164258}