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

0-AI-MANIFEST.a2ml

@@ -44,7 +44,7 @@ Bot-specific instructions for:
 2. **Single source of truth** - `.machine_readable/` is authoritative
 3. **No stale metadata** - If root SCMs exist, they are OUT OF DATE
 4. **License consistency** - All code PMPL-1.0-or-later unless platform requires MPL-2.0
-5. **Author attribution** - Always "Jonathan D.A. Jewell <jonathan.jewell@open.ac.uk>"
+5. **Author attribution** - Always "Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>"
 
 ## REPOSITORY STRUCTURE