chore(spdx): add Copyright (c) headers to Elixir files (batch 6/7) (#99)

STATS: processed=11 already_has=0 added_copyright=10 inserted_block=1 missing=0

Files: .ex/.exs. Mechanical SPDX-FileCopyrightText sweep using hash
comment style. Batch 6/7 of the M1 foreign-WIP closure.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

impl/elixir/lib/mix/tasks/vsh.daemon.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule Mix.Tasks.Vsh.Daemon do
   @moduledoc """

impl/elixir/lib/vsh.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule VSH do
   @moduledoc """

impl/elixir/lib/vsh/application.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule VSH.Application do
   @moduledoc """

impl/elixir/lib/vsh/daemon.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule VSH.Daemon do
   @moduledoc """

impl/elixir/lib/vsh/filesystem.ex

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 defmodule VSH.Filesystem do
   @moduledoc """
   Valence Shell - Elixir Filesystem Operations

impl/elixir/lib/vsh/nif.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule VSH.NIF do
   @moduledoc """

impl/elixir/lib/vsh/secure_erase.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 defmodule VSH.SecureErase do
   @moduledoc """
   Hardware-based secure erase for SSDs using NIST SP 800-88 Purge methods.

impl/elixir/lib/vsh/state.ex

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule VSH.State do
   @moduledoc """

impl/elixir/mix.exs

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 defmodule VSH.MixProject do
   use Mix.Project

impl/elixir/test/test_helper.exs

@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: MPL-2.0
+# Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 
 ExUnit.start()