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AI agent framework for Elixir with multi-provider LLM support

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nous lib nous memory store.ex
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lib/nous/memory/store.ex 

defmodule Nous.Memory.Store do

  @moduledoc """

  Storage behaviour for memory backends.



  All search/list callbacks accept a :scope option (map of scoping fields to filter by).

  """



  alias Nous.Memory.Entry



  @callback init(opts :: keyword()) :: {:ok, term()} | {:error, term()}

  @callback store(state :: term(), entry :: Entry.t()) :: {:ok, term()} | {:error, term()}

  @callback fetch(state :: term(), id :: String.t()) :: {:ok, Entry.t()} | {:error, :not_found}

  @callback delete(state :: term(), id :: String.t()) :: {:ok, term()} | {:error, term()}

  @callback update(state :: term(), id :: String.t(), updates :: map()) ::

              {:ok, term()} | {:error, term()}

  @callback search_text(state :: term(), query :: String.t(), opts :: keyword()) ::

              {:ok, [{Entry.t(), float()}]}

  @callback search_vector(state :: term(), embedding :: [float()], opts :: keyword()) ::

              {:ok, [{Entry.t(), float()}]}

  @callback list(state :: term(), opts :: keyword()) :: {:ok, [Entry.t()]}



  @optional_callbacks [search_vector: 3]

end