Function semantic_search_session 

pub async fn semantic_search_session(
    session_id: Uuid,
    query: String,
    limit: Option<usize>,
    date_from: Option<String>,
    date_to: Option<String>,
    interaction_type: Option<Vec<String>>,
    recency_bias: Option<f32>,
) -> Result<MCPToolResult, Error>

Search within a single session using AI semantic understanding (embeddings feature required).