fix: SPDX headers (AGPL→PMPL), email, author name

- AGPL-3.0-or-later → PMPL-1.0-or-later in SPDX-License-Identifier lines
- jonathan.jewell@open.ac.uk → j.d.a.jewell@open.ac.uk
- "hyperpolymath" → "Jonathan D.A. Jewell" in author fields

Part of global TODO cleanup (2026-03-16).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

deploy/compose.yaml

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: PMPL-1.0-or-later
-# SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath) <jonathan.jewell@open.ac.uk>
+# SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 #
 # Project Wharf — Local deployment stack
 # =======================================

infra/selur-compose.yaml

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: PMPL-1.0-or-later
-# SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath) <jonathan.jewell@open.ac.uk>
+# SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 #
 # selur-compose.yaml — Project Wharf Container Orchestration
 # ===========================================================