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/schedule.py

@@ -0,0 +1,45 @@
+from datetime import time
+from sqlalchemy import String, Boolean, ForeignKey, Time, Text, Integer
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from app.models.base import Base, TimestampMixin
+
+
+class ScheduleTemplate(TimestampMixin, Base):
+    __tablename__ = "schedule_templates"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
+    child_id: Mapped[int | None] = mapped_column(
+        ForeignKey("children.id", ondelete="SET NULL"), nullable=True
+    )
+    name: Mapped[str] = mapped_column(String(100), nullable=False)
+    is_default: Mapped[bool] = mapped_column(Boolean, default=False)
+
+    user: Mapped["User"] = relationship("User", back_populates="schedule_templates")  # noqa: F821
+    child: Mapped["Child | None"] = relationship("Child")  # noqa: F821
+    blocks: Mapped[list["ScheduleBlock"]] = relationship(
+        "ScheduleBlock", back_populates="template", cascade="all, delete-orphan", order_by="ScheduleBlock.order_index"
+    )
+    daily_sessions: Mapped[list["DailySession"]] = relationship(  # noqa: F821
+        "DailySession", back_populates="template"
+    )
+
+
+class ScheduleBlock(Base):
+    __tablename__ = "schedule_blocks"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    template_id: Mapped[int] = mapped_column(
+        ForeignKey("schedule_templates.id", ondelete="CASCADE"), nullable=False
+    )
+    subject_id: Mapped[int | None] = mapped_column(
+        ForeignKey("subjects.id", ondelete="SET NULL"), nullable=True
+    )
+    time_start: Mapped[time] = mapped_column(Time, nullable=False)
+    time_end: Mapped[time] = mapped_column(Time, nullable=False)
+    label: Mapped[str | None] = mapped_column(String(100), nullable=True)  # override subject name
+    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
+    order_index: Mapped[int] = mapped_column(Integer, default=0)
+
+    template: Mapped["ScheduleTemplate"] = relationship("ScheduleTemplate", back_populates="blocks")
+    subject: Mapped["Subject | None"] = relationship("Subject", back_populates="schedule_blocks")  # noqa: F821