chore(licence): normalise to MPL-2.0 + CC-BY-SA-4.0 (canonical pair) (#52)

hyperpolymath · claude · web-flow · commit c3f4c989a33a · 2026-06-24T16:17:27.000+01:00
Estate licence normalisation. LICENSES/={MPL-2.0,CC-BY-SA-4.0}; root
LICENSE=verbatim MPL-2.0 (GitHub display); code-&gt;MPL-2.0,
docs(.md/.adoc)-&gt;CC-BY-SA-4.0; vendored untouched. Residual mentions
(mostly legitimate anti-AGPL rules): 23. Manual-review licence PR.

Co-authored-by: Claude Opus 4.8 (1M context) &lt;noreply@anthropic.com&gt;
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: MIT
+# SPDX-License-Identifier: MPL-2.0
 
 # OS files
 .DS_Store
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,5 @@
 <!--
-SPDX-License-Identifier: MPL-2.0
+SPDX-License-Identifier: CC-BY-SA-4.0
 SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath)
 -->
 
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
@@ -1,4 +1,4 @@
-<!-- SPDX-License-Identifier: MPL-2.0 -->
+<!-- SPDX-License-Identifier: CC-BY-SA-4.0 -->
 # Contributor Covenant Code of Conduct
 
 ## Our Pledge
diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MPL-2.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 = Contributing Guide
 
 == Getting Started
diff --git a/LICENSE b/LICENSE
diff --git a/LICENSES/CC-BY-SA-4.0.txt b/LICENSES/CC-BY-SA-4.0.txt
diff --git a/LICENSES/MPL-2.0.txt b/LICENSES/MPL-2.0.txt
diff --git a/MAINTAINERS.adoc b/MAINTAINERS.adoc
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MPL-2.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 = Maintainers
 :toc: preamble
 
diff --git a/README.adoc b/README.adoc
@@ -1,7 +1,7 @@
 image:https://img.shields.io/badge/license-PMPL--1.0-blue.svg[License,link="https://github.com/hyperpolymath/palimpsest-license"]
 
 
-// SPDX-License-Identifier: MPL-2.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 // SPDX-FileCopyrightText: 2025 hyperpolymath
 
 = Claude for Gecko
diff --git a/README.md b/README.md
@@ -3,7 +3,7 @@
 image:https://img.shields.io/badge/license-PMPL--1.0-blue.svg[License,link="https://github.com/hyperpolymath/palimpsest-license"]
 
 
-// SPDX-License-Identifier: MPL-2.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 // SPDX-FileCopyrightText: 2025 hyperpolymath
 
 = Claude for Gecko
diff --git a/ROADMAP.adoc b/ROADMAP.adoc
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MPL-2.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 = Claude Gecko Browser Extension Roadmap
 
 == Current Status
diff --git a/RSR_OUTLINE.adoc b/RSR_OUTLINE.adoc
@@ -209,7 +209,7 @@ This template is part of:
 
 == License
 
-SPDX-License-Identifier: MPL-2.0
+SPDX-License-Identifier: CC-BY-SA-4.0
 
 == Links
 
diff --git a/contractiles/k9/README.adoc b/contractiles/k9/README.adoc
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MPL-2.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 = K9 Contractiles
 :toc: left
 :icons: font
diff --git a/docs/PALIMPSEST.adoc b/docs/PALIMPSEST.adoc
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: CC0-1.0
+// SPDX-License-Identifier: CC-BY-SA-4.0
 = The Palimpsest License
 :author: hyperpolymath
 :revdate: 2025
diff --git a/docs/tech-debt-2026-05-26.md b/docs/tech-debt-2026-05-26.md
@@ -1,5 +1,5 @@
 <!--
-SPDX-License-Identifier: MPL-2.0
+SPDX-License-Identifier: CC-BY-SA-4.0
 SPDX-FileCopyrightText: 2026 Jonathan D.A. Jewell (hyperpolymath)
 -->
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# SPDX-License-Identifier: MIT`
	`1`	`+# SPDX-License-Identifier: MPL-2.0`
`2`	`2`
`3`	`3`	`# OS files`
`4`	`4`	`.DS_Store`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-<!-- SPDX-License-Identifier: MPL-2.0 -->`
	`1`	`+<!-- SPDX-License-Identifier: CC-BY-SA-4.0 -->`
`2`	`2`	`# Contributor Covenant Code of Conduct`
`3`	`3`
`4`	`4`	`## Our Pledge`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// SPDX-License-Identifier: MPL-2.0`
	`1`	`+// SPDX-License-Identifier: CC-BY-SA-4.0`
`2`	`2`	`= Contributing Guide`
`3`	`3`
`4`	`4`	`== Getting Started`