misc: small fix or general refactoring i did not bother commenting

Author: evilsocket

src/agent/rag/mod.rs

@@ -7,7 +7,6 @@ use super::generator::Client;
 mod metrics;
 pub(crate) mod naive;
 
-// TODO: move to mini-rag crate.
 pub type Embeddings = Vec<f64>;
 
 #[derive(Clone, Debug, Serialize, Deserialize)]