chore: migrate license from PMPL-1.0-or-later to MPL-2.0

Author: hyperpolymath

.clinerules

@@ -1,11 +1,11 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 # Authoritative source: docs/AI-CONVENTIONS.md
 
 # STARTUP: Read 0-AI-MANIFEST.a2ml first, then .machine_readable/STATE.a2ml.
 
 # LICENSE
-# All original code: PMPL-1.0-or-later.
+# All original code: MPL-2.0.
 # Never AGPL-3.0. MPL-2.0 only as platform-required fallback.
 # SPDX header required on every source file.
 # Copyright: Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>

.cursorrules

@@ -1,11 +1,11 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 # Authoritative source: docs/AI-CONVENTIONS.md
 
 # Read 0-AI-MANIFEST.a2ml in the repo root FIRST for canonical file locations.
 
 # LICENSE
-# All original code: PMPL-1.0-or-later (SPDX header required on every file).
+# All original code: MPL-2.0 (SPDX header required on every file).
 # Never use AGPL-3.0. Fallback to MPL-2.0 only when platform requires it.
 # Copyright: Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 

.devcontainer/Containerfile

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 #
 # Dev Container image for intsoc-transactor

.devcontainer/README.adoc

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: PMPL-1.0-or-later
+// SPDX-License-Identifier: MPL-2.0
 // Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
 //
 // Dev Container configuration for intsoc-transactor

.devcontainer/devcontainer.json

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Activate development environment
 # Install direnv: https://direnv.net/
 

.envrc

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # RSR-compliant .gitattributes
 
 * text=auto eol=lf

.gitattributes

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 labels: [enhancement]
 body:
   - type: textarea

.github/DISCUSSION_TEMPLATE/ideas.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 labels: [question]
 body:
   - type: textarea

.github/DISCUSSION_TEMPLATE/q-and-a.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Funding platforms for hyperpolymath projects
 # See: https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/displaying-a-sponsor-button-in-your-repository