Initial commit: full fitness-rewards app

Backend: FastAPI + PostgreSQL + SQLAlchemy async
- Auth (JWT), onboarding (PAR-Q+, TTM, BREQ-2), activities, food log
- Points engine with daily gate + weekly targets
- Strava + Polar OAuth integration
- Open Food Facts barcode lookup
- Resource recommendation engine
- 10 seeded Darebee/StrongLifts/YouTube programs

Frontend: React + Vite, mobile-first dark theme
- Login/Register, 8-step onboarding flow
- Dashboard with daily gate status
- Activity logger, food logger (manual + barcode scan + search)
- Reward shop with redemption
- Weekly summary view
- Settings (point rules, targets, integrations)

Deployment: Docker Compose for Coolify (Traefik)

backend/app/models/activity.py

@@ -0,0 +1,31 @@
+import uuid
+from datetime import datetime, date, timezone
+from sqlalchemy import String, Integer, Text, Date, DateTime, ForeignKey, Index
+from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.dialects.postgresql import UUID, JSONB
+from app.database import Base
+
+
+class ActivityLog(Base):
+    __tablename__ = "activity_log"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    category: Mapped[str] = mapped_column(String(50), nullable=False)
+    title: Mapped[str | None] = mapped_column(String(200))
+    description: Mapped[str | None] = mapped_column(Text)
+    duration_minutes: Mapped[int | None] = mapped_column(Integer)
+    source: Mapped[str] = mapped_column(String(30), default="manual")
+    external_id: Mapped[str | None] = mapped_column(String(100))
+    points_earned: Mapped[int] = mapped_column(Integer, default=0)
+    rule_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("point_rules.id"), nullable=True)
+    activity_date: Mapped[date] = mapped_column(Date, nullable=False)
+    logged_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
+    program_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("programs.id"), nullable=True)
+    program_day: Mapped[int | None] = mapped_column(Integer)
+    metadata_json: Mapped[dict] = mapped_column("metadata", JSONB, default=dict)
+
+    __table_args__ = (
+        Index("idx_activity_log_user_date", "user_id", "activity_date"),
+        Index("idx_activity_log_external", "source", "external_id"),
+    )