RAG

use praisonai::{Agent, KnowledgeConfig};

let config = KnowledgeConfig::new()
    .source("docs/")
    .chunk_size(1000)
    .retrieval_k(5);

let agent = Agent::new()
    .name("RAG Bot")
    .knowledge(config)
    .build()?;

agent.chat("Answer based on documents").await?;