{"agent_type":"callsign_analysis","ai_model":"Qwen2.5-3B-Instruct-GPTQ-Int4","ai_pass":true,"ai_provider":"vllm","completed_at":"2026-07-02T11:57:43.210197+00:00","duration_seconds":2.000386,"id":1287147,"input_summary":"chars=541 node=683210","metadata":{"llm_candidates":[{"callsign":"W5LH","confidence":0.78}]},"output_summary":"ai_candidates=1 merged=1 calls=W5LH","recording_id":137248,"started_at":"2026-07-02T11:57:41.209811+00:00","status":"completed","step_name":"callsign.llm_extract","transcription_id":136281}