chore: migrate to split licensing (MIT + CC-BY-SA-4.0)

Signed-off-by: Sebastian Mendel <info@sebastianmendel.de>

Author: CybotTM

.claude-plugin/plugin.json

@@ -1,14 +1,14 @@
 {
-  "name": "typo3-core-contributions",
-  "version": "1.7.4",
-  "description": "TYPO3 Core contribution workflow (Forge, Gerrit, docs)",
-  "repository": "https://github.com/netresearch/typo3-core-contributions-skill",
-  "license": "MIT",
-  "author": {
-    "name": "Netresearch DTT GmbH",
-    "url": "https://www.netresearch.de"
-  },
-  "skills": [
-    "./skills/typo3-core-contributions"
-  ]
+    "name": "typo3-core-contributions",
+    "version": "1.7.4",
+    "description": "TYPO3 Core contribution workflow (Forge, Gerrit, docs)",
+    "repository": "https://github.com/netresearch/typo3-core-contributions-skill",
+    "license": "(MIT AND CC-BY-SA-4.0)",
+    "author": {
+        "name": "Netresearch DTT GmbH",
+        "url": "https://www.netresearch.de"
+    },
+    "skills": [
+        "./skills/typo3-core-contributions"
+    ]
 }

LICENSE-CC-BY-SA-4.0

@@ -0,0 +1,19 @@
+Creative Commons Attribution-ShareAlike 4.0 International
+
+Copyright (c) 2025-2026 Netresearch DTT GmbH
+
+This work is licensed under the Creative Commons Attribution-ShareAlike 4.0
+International License. To view a copy of this license, visit
+https://creativecommons.org/licenses/by-sa/4.0/ or send a letter to
+Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
+
+You are free to:
+- Share: copy and redistribute the material in any medium or format
+- Adapt: remix, transform, and build upon the material for any purpose,
+  even commercially
+
+Under the following terms:
+- Attribution: You must give appropriate credit, provide a link to the
+  license, and indicate if changes were made.
+- ShareAlike: If you remix, transform, or build upon the material, you
+  must distribute your contributions under the same license as the original.

LICENSE LICENSE-MITLICENSE renamed to LICENSE-MIT

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 Netresearch DTT GmbH
+Copyright (c) 2025-2026 Netresearch DTT GmbH
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -278,8 +278,12 @@ To improve this skill:
 
 ## License
 
-MIT License - See LICENSE file for details
+This project uses split licensing:
 
+- **Code** (scripts, workflows, configs): [MIT](LICENSE-MIT)
+- **Content** (skill definitions, documentation, references): [CC-BY-SA-4.0](LICENSE-CC-BY-SA-4.0)
+
+See the individual license files for full terms.
 ## Author
 
 Created for use with Claude Code and TYPO3 Core contributions.

composer.json

@@ -1,23 +1,23 @@
 {
-  "name": "netresearch/typo3-core-contributions-skill",
-  "description": "Netresearch AI skill for TYPO3 Core contribution workflow and patch submission",
-  "type": "ai-agent-skill",
-  "license": "MIT",
-  "authors": [
-    {
-      "name": "Netresearch DTT GmbH",
-      "email": "info@netresearch.de",
-      "homepage": "https://www.netresearch.de/",
-      "role": "Manufacturer"
+    "name": "netresearch/typo3-core-contributions-skill",
+    "description": "Netresearch AI skill for TYPO3 Core contribution workflow and patch submission",
+    "type": "ai-agent-skill",
+    "license": "(MIT AND CC-BY-SA-4.0)",
+    "authors": [
+        {
+            "name": "Netresearch DTT GmbH",
+            "email": "info@netresearch.de",
+            "homepage": "https://www.netresearch.de/",
+            "role": "Manufacturer"
+        }
+    ],
+    "require": {
+        "netresearch/composer-agent-skill-plugin": "*"
+    },
+    "replace": {
+        "netresearch/agent-typo3-core-contributions": "self.version"
+    },
+    "extra": {
+        "ai-agent-skill": "skills/typo3-core-contributions/SKILL.md"
     }
-  ],
-  "require": {
-    "netresearch/composer-agent-skill-plugin": "*"
-  },
-  "replace": {
-    "netresearch/agent-typo3-core-contributions": "self.version"
-  },
-  "extra": {
-    "ai-agent-skill": "skills/typo3-core-contributions/SKILL.md"
-  }
 }