{"modes":[{"name":"fast","description":"Speed-optimized with static filters for quick lookup","use_case":"Quick Q&A, simple document lookup","latency":"Low (~1-2s)","accuracy":"Good","features":["Static metadata filtering","Fast vector search","Semantic caching","Immediate source preview"]},{"name":"expert","description":"Enhanced accuracy with dynamic filters and query decomposition","use_case":"Complex educational queries requiring deep analysis","latency":"Medium (~3-5s)","accuracy":"High","features":["Query classification","Dynamic filter extraction","Reranking with cross-encoder","Enhanced context assembly"]}]}