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

@@ -39,7 +39,7 @@
       (always "SPDX-License-Identifier: PMPL-1.0-or-later in all source files"))
 
     (rule "Author attribution MUST be correct"
-      (always "Jonathan D.A. Jewell <jonathan.jewell@open.ac.uk>")
+      (always "Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>")
       (never "hyperpolymath as author name")
       (never "jonathan.jewell@gmail.com"))
 

FUTURE-IMPROVEMENTS.md

@@ -3,7 +3,7 @@
 # Future Improvements: Insights from Scanning the Eclexia Compiler Toolchain
 
 **Date:** 2026-02-08
-**Author:** Jonathan D.A. Jewell <jonathan.jewell@open.ac.uk>
+**Author:** Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
 **Context:** panic-attack v1.0.0, scanning Eclexia (10 crates, ~20,000 lines of Rust)
 
 ---

SECURITY.md

@@ -15,7 +15,7 @@ We release patches for security vulnerabilities for the following versions:
 
 Instead, please report them via email to:
 
-**jonathan.jewell@open.ac.uk**
+**j.d.a.jewell@open.ac.uk**
 
 You should receive a response within 48 hours. If for some reason you do not, please follow up via email to ensure we received your original message.