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/schema-v2.sql

@@ -17,6 +17,10 @@ CREATE TABLE IF NOT EXISTS students (
   username     VARCHAR(64) NOT NULL,
   password     VARCHAR(255) NOT NULL,
   display_name VARCHAR(128),
+  first_name   VARCHAR(64),
+  last_name    VARCHAR(64),
+  email        VARCHAR(255),
+  emoji_avatar VARCHAR(8) DEFAULT '🧑‍🎓',
   is_anonymous BOOLEAN DEFAULT TRUE,   -- true = Pseudonym, false = echter Name
   created_at   TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
   last_login   TIMESTAMP NULL,