vantadb 0.1.4

VantaDB: An embedded persistent memory and vector retrieval engine for local-first AI applications.
Documentation 
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//! VantaDB Integrations (Ollama, LangChain)
use serde::{Deserialize, Serialize};

/// Request mapping for a simple LangChain vector store search
#[derive(Deserialize, Serialize, Clone, Debug)]
pub struct SearchRequest {
    pub query: String,
    pub collection: String,
    pub temperature: Option<f32>,
    pub limit: Option<usize>,
}

#[derive(Serialize, Clone, Debug)]
pub struct SearchResponse {
    pub results: Vec<serde_json::Value>,
    pub latency_ms: u64,
}

/// Simulated Axum handler for vector retrieval with structured filters
pub async fn search_handler(_payload: SearchRequest) -> SearchResponse {
    // Converts hybrid text query to logical plan here
    SearchResponse {
        results: vec![],
        latency_ms: 5,
    }
}

/// Request for proxied Ollama generation
#[derive(Deserialize, Serialize, Clone, Debug)]
pub struct OllamaGenerateRequest {
    pub model: String,
    pub prompt: String,
    pub stream: Option<bool>,
}

/// Simulated context retrieval and proxy
pub async fn ollama_proxy_handler(req: OllamaGenerateRequest) -> String {
    // 1. Search VantaDB for semantically similar nodes
    // 2. Inject results into `req.prompt`
    // 3. Forward to actual localhost Ollama
    format!(
        "Proximamente: Context-Aware proxy response para {}",
        req.model
    )
}