yvdb 0.1.4

Educational in-memory vector DB: WAL + bincode snapshots (TOON header), IVF bucket search, Axum REST API, TOON query responses
Documentation 
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use serde::{Deserialize, Serialize};
use serde_json::Value;

//record carries id, vector and optional metadata
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Record {
    pub id: String,
    pub vector: Vec<f32>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub metadata: Option<Value>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ScoredPoint {
    pub id: String,
    pub score: f32,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub metadata: Option<Value>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ErrorResponse {
    pub code: String,
    pub message: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CreateCollectionRequest {
    pub name: String,
    pub dimension: usize,
    pub metric: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct InsertVectorsRequest {
    pub collection: String,
    pub records: Vec<Record>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct QueryVectorsRequest {
    pub collection: String,
    pub vector: Vec<f32>,
    pub k: usize,
}