chore: relicense under the GNU AGPLv3

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/package-lock.json

@@ -1,13 +1,13 @@
 {
   "name": "mindsift-frontend",
-  "version": "0.48.0",
+  "version": "0.49.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mindsift-frontend",
-      "version": "0.48.0",
-      "license": "Unlicense",
+      "version": "0.49.0",
+      "license": "AGPL-3.0-only",
       "dependencies": {
         "@fontsource-variable/inter": "5.3.0",
         "@types/prismjs": "^1.26.6",

frontend/package.json

@@ -1,8 +1,8 @@
 {
   "name": "mindsift-frontend",
   "private": true,
-  "version": "0.48.0",
-  "license": "Unlicense",
+  "version": "0.49.0",
+  "license": "AGPL-3.0-only",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/components/AboutModal.tsx

@@ -5,7 +5,7 @@ import { ReadingModal } from './ReadingModal';
 
 // Project facts shown in "Über MindSift"; change here when the repository or license changes
 export const PROJECT_REPO_URL = 'https://git.dsit.me/sandrodach/MindSift';
-export const PROJECT_LICENSE = 'The Unlicense – gemeinfrei, ohne Bedingungen';
+export const PROJECT_LICENSE = 'GNU AGPLv3 – freie Software, Änderungen bleiben frei';
 
 export const AboutModal: React.FC<{ onClose: () => void }> = ({ onClose }) => (
   <ReadingModal title="Über MindSift" onClose={onClose}>