Retrieval

use praisonai::{Agent, KnowledgeConfig};

let config = KnowledgeConfig::new()
    .source("docs/")
    .retrieval_k(10)       // Fetch 10 results
    .with_rerank()         // Re-rank for relevance
    .retrieval_threshold(0.7);

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