Initial project scaffold

Full-stack homeschool web app with FastAPI backend, Vue 3 frontend,
MySQL database, and Docker Compose orchestration. Includes JWT auth,
WebSocket real-time TV dashboard, schedule builder, activity logging,
and multi-child support.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/models/__init__.py

@@ -0,0 +1,22 @@
+# Import all models here so Alembic can discover them via Base.metadata
+from app.models.base import Base, TimestampMixin
+from app.models.user import User
+from app.models.child import Child
+from app.models.subject import Subject
+from app.models.schedule import ScheduleTemplate, ScheduleBlock
+from app.models.session import DailySession, TimerEvent, TimerEventType
+from app.models.activity import ActivityLog
+
+__all__ = [
+    "Base",
+    "TimestampMixin",
+    "User",
+    "Child",
+    "Subject",
+    "ScheduleTemplate",
+    "ScheduleBlock",
+    "DailySession",
+    "TimerEvent",
+    "TimerEventType",
+    "ActivityLog",
+]