{"message":"Integrity Backend API is running","status":"ok","endpoints":{"docs":"/docs","initiate_call":"/api/calls/initiate","call_status":"/api/calls/status/{contact_id}","websocket":"/api/calls/ws/{contact_id}","voice_websocket":"/api/calls/voice-ws","detect_human_speech":"/api/calls/detect-human-speech","human_detection_results":"/api/calls/human-detection-results/{contact_id}","fetch_transcript":"/api/calls/fetch-transcript/{contact_id}","trigger_voice":"/api/calls/trigger-voice"}}