Add boto3 dependency and update exercise/machine assets

- Added boto3 as a dependency in pyproject.toml and uv.lock.
- Introduced multiple new exercise images in various formats (jpg, webp, avif, png).
- Added new machine images to enhance the workout assets library.

services/logic/app/models.py

@@ -48,6 +48,49 @@ class Equipment(Base, TimestampMixin):
     workout_items: Mapped[list[WorkoutItem]] = relationship(back_populates="equipment")
 
 
+class ActivitySource(Base, TimestampMixin):
+    __tablename__ = "logic_activity_sources"
+    __table_args__ = (
+        CheckConstraint("kind IN ('exercise', 'machine')", name="ck_activity_source_kind"),
+        CheckConstraint(
+            "category IN ('chest', 'back', 'legs', 'shoulders', 'biceps', 'triceps', "
+            "'core', 'cardio', 'full_body', 'other')",
+            name="ck_activity_source_category",
+        ),
+        CheckConstraint(
+            "equipment IN ('barbell', 'dumbbell', 'machine', 'cable', 'bodyweight', "
+            "'kettlebell', 'cardio_machine', 'other')",
+            name="ck_activity_source_equipment",
+        ),
+        CheckConstraint(
+            "measurement_type IN ('weight_reps', 'reps_only', 'duration', "
+            "'distance_duration', 'duration_calories')",
+            name="ck_activity_source_measurement_type",
+        ),
+        CheckConstraint(
+            "difficulty IN ('beginner', 'intermediate', 'advanced')",
+            name="ck_activity_source_difficulty",
+        ),
+    )
+
+    id: Mapped[uuid.UUID] = uuid_pk()
+    owner_user_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), index=True)
+    slug: Mapped[str] = mapped_column(String(180), unique=True, index=True)
+    kind: Mapped[str] = mapped_column(String(20), index=True)
+    title: Mapped[str] = mapped_column(String(160), index=True)
+    description: Mapped[str | None] = mapped_column(Text)
+    category: Mapped[str] = mapped_column(String(32), index=True)
+    equipment: Mapped[str] = mapped_column(String(32), index=True)
+    measurement_type: Mapped[str] = mapped_column(String(32))
+    difficulty: Mapped[str] = mapped_column(String(20), default="intermediate")
+    image_s3_url: Mapped[str | None] = mapped_column(Text)
+    image_s3_key: Mapped[str | None] = mapped_column(Text)
+    is_builtin: Mapped[bool] = mapped_column(Boolean, default=False, index=True)
+    default_calories_per_minute: Mapped[float | None] = mapped_column(Numeric(8, 2))
+
+    workout_items: Mapped[list[WorkoutItem]] = relationship(back_populates="activity_source")
+
+
 class Exercise(Base, TimestampMixin):
     __tablename__ = "logic_exercises"
 
@@ -93,12 +136,13 @@ class WorkoutItem(Base):
     __tablename__ = "logic_workout_items"
     __table_args__ = (
         CheckConstraint(
-            "(exercise_id IS NOT NULL AND equipment_id IS NULL) OR "
-            "(exercise_id IS NULL AND equipment_id IS NOT NULL)",
+            "(CASE WHEN activity_source_id IS NOT NULL THEN 1 ELSE 0 END + "
+            "CASE WHEN exercise_id IS NOT NULL THEN 1 ELSE 0 END + "
+            "CASE WHEN equipment_id IS NOT NULL THEN 1 ELSE 0 END) = 1",
             name="ck_workout_item_exactly_one_entity",
         ),
         CheckConstraint(
-            "source_kind IN ('exercise', 'equipment')",
+            "source_kind IN ('exercise', 'machine', 'equipment')",
             name="ck_workout_item_source_kind",
         ),
     )
@@ -110,6 +154,12 @@ class WorkoutItem(Base):
     source_kind: Mapped[str] = mapped_column(String(20))
     title_snapshot: Mapped[str] = mapped_column(String(160))
     image_s3_url_snapshot: Mapped[str | None] = mapped_column(Text)
+    measurement_type_snapshot: Mapped[str] = mapped_column(String(32), default="weight_reps")
+    category_snapshot: Mapped[str] = mapped_column(String(32), default="other")
+    equipment_snapshot: Mapped[str] = mapped_column(String(32), default="other")
+    activity_source_id: Mapped[uuid.UUID | None] = mapped_column(
+        ForeignKey("logic_activity_sources.id")
+    )
     exercise_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("logic_exercises.id"))
     equipment_id: Mapped[uuid.UUID | None] = mapped_column(ForeignKey("logic_equipment.id"))
     order_index: Mapped[int] = mapped_column(Integer, default=0)
@@ -117,6 +167,7 @@ class WorkoutItem(Base):
     created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=now)
 
     workout: Mapped[Workout] = relationship(back_populates="items")
+    activity_source: Mapped[ActivitySource | None] = relationship(back_populates="workout_items")
     exercise: Mapped[Exercise | None] = relationship(back_populates="workout_items")
     equipment: Mapped[Equipment | None] = relationship(back_populates="workout_items")
     sets: Mapped[list[WorkoutSet]] = relationship(
@@ -135,6 +186,7 @@ class WorkoutSet(Base):
     weight: Mapped[float] = mapped_column(Numeric(8, 2), default=0)
     reps: Mapped[int] = mapped_column(Integer, default=0)
     duration_seconds: Mapped[int | None] = mapped_column(Integer)
+    distance_km: Mapped[float | None] = mapped_column(Numeric(8, 3))
     calories: Mapped[float | None] = mapped_column(Numeric(8, 2))
     completed_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=now)