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

PRIVACY-SUMMARY.txt

@@ -43,7 +43,7 @@ Open Source:
 
 Contact:
 • Developer: Jonathan D.A. Jewell
-• Email: jonathan.jewell@open.ac.uk
+• Email: j.d.a.jewell@open.ac.uk
 • Issues: https://github.com/hyperpolymath/fireflag/issues
 
 Full Privacy Policy: https://github.com/hyperpolymath/fireflag/blob/main/PRIVACY.md

PRIVACY_POLICY_SHORT.txt

@@ -45,7 +45,7 @@ TRANSPARENCY:
 - Auditable code
 - Formally verified core components
 
-CONTACT: jonathan.jewell@open.ac.uk
+CONTACT: j.d.a.jewell@open.ac.uk
 
 Full policy: https://github.com/hyperpolymath/fireflag/blob/main/PRIVACY_POLICY.md