Atlas: Infrastruktur + Team-Konventionen + Sprachregel Lernarbeit

- Design-System (assets/css/design-system.css) mit 21 Komponenten,
  iPad-Responsive-Breakpoints, Touch-Ziele 36px, Music-Player,
  Glossar-Tooltips
- Templates (sims/template.html + student/teacher-Dashboard)
- Docs: module-interface.md (inkl. 4a Sprachregel, 4b Leichte Sprache,
  4c iPad), content-architecture.md, crash-recovery.md, music-registry.md
- Admin-Infrastruktur: admin-modules.html + api/admin-modules.php
  (Titel, Emoji, Bild, Status, Dauer, Alter pro Modul)
- Inbox-System: _inbox/README.md + _status.md fuer Atlas + Briefings
  an Klima, Glossar, Lehrplan, Fluss
- Zentrale SFX-Pipeline (scripts/generate-sounds.py)
- DALL-E-Bilder: 8 Badges + 5 Glossar-Repraesentationsbilder (Querformat)
- Logo + Inter-Font lokal
- PHP-APIs: admin, glossar, levels, licenses, progress, waypoints,
  assignments, profile, tickets
- Spielsprache entfernt (admin-modules, admin-levels, schueler)
- Landing-Page-Bearbeitungen (Boote sichtbarer, Button-Hintergrund)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

App/site.webmanifest

@@ -0,0 +1,21 @@
+{
+  "name": "GeoGraSim",
+  "short_name": "GeoGraSim",
+  "icons": [
+    {
+      "src": "web-app-manifest-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "web-app-manifest-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#227e7f",
+  "display": "standalone"
+}