sqlite_agent_memory.ndg

// SQLite Memory Store Agent Example
// Demonstrates typed state persistence across turns with structured schema

type MemoryEntry = {
    key: string,
    val: string,
    created_at: int
}

type AgentState = {
    entries: [MemoryEntry],
    turn_count: int
}

fn save_memory(mem: MemoryEntry, st: AgentState) -> AgentState {
    let updated_entries = [mem, st.entries[0]]
    {
        entries: updated_entries,
        turn_count: st.turn_count + 1
    }
}

fn main() -> AgentState {
    let init_state = {
        entries: [{ key: "session_id", val: "user_turn_001", created_at: 1700000000 }],
        turn_count: 1
    }
    let new_entry = {
        key: "user_intent",
        val: "search_historical_weather",
        created_at: 1700000030
    }
    save_memory(new_entry, init_state)
}