This is the initial push of the outline of the life dashboard

backend/app/models/workout.py

@@ -0,0 +1,43 @@
+from datetime import date, datetime
+
+from sqlalchemy import Date, ForeignKey, Integer, Numeric, Text, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class Exercise(Base):
+    __tablename__ = "exercises"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(Text, unique=True)
+    category: Mapped[str] = mapped_column(Text)
+
+
+class Workout(Base):
+    __tablename__ = "workouts"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    date: Mapped[date] = mapped_column(Date)
+    name: Mapped[str | None] = mapped_column(Text, nullable=True)
+    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(server_default=func.now())
+
+    sets: Mapped[list["WorkoutSet"]] = relationship(
+        back_populates="workout", cascade="all, delete-orphan"
+    )
+
+
+class WorkoutSet(Base):
+    __tablename__ = "workout_sets"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    workout_id: Mapped[int] = mapped_column(ForeignKey("workouts.id", ondelete="CASCADE"))
+    exercise_id: Mapped[int] = mapped_column(ForeignKey("exercises.id"))
+    set_number: Mapped[int] = mapped_column(Integer)
+    reps: Mapped[int | None] = mapped_column(Integer, nullable=True)
+    weight_lbs: Mapped[float | None] = mapped_column(Numeric(6, 1), nullable=True)
+    duration_min: Mapped[float | None] = mapped_column(Numeric(5, 1), nullable=True)
+
+    workout: Mapped["Workout"] = relationship(back_populates="sets")
+    exercise: Mapped["Exercise"] = relationship()