@spec discover(String.t(), [String.t()], keyword()) ::
  {:ok, String.t()} | {:error, term()}

Attempts to discover the MCP endpoint path by trying common paths. Returns {:ok, path} if a working path is found, {:error, reason} otherwise.

Options

• :server - Server name for OAuth header lookup
• :config - Server configuration map (for OAuth)

@spec prompt_and_save(String.t(), String.t(), :global | {:project, String.t()}) ::
  :ok | {:error, term()}

Prompts the user to save the discovered path to settings. Returns :ok if saved (or user declined), {:error, reason} on failure.