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/schemas/activity.py

@@ -0,0 +1,30 @@
+from datetime import date, datetime
+from pydantic import BaseModel
+
+
+class ActivityCreate(BaseModel):
+    category: str  # workout, food_log, steps_target, screen_free, daily_checkin
+    title: str | None = None
+    description: str | None = None
+    duration_minutes: int | None = None
+    activity_date: date
+    program_id: str | None = None
+    program_day: int | None = None
+    metadata: dict = {}
+
+
+class ActivityResponse(BaseModel):
+    id: str
+    category: str
+    title: str | None
+    description: str | None
+    duration_minutes: int | None
+    source: str
+    points_earned: int
+    activity_date: date
+    logged_at: datetime
+    program_id: str | None
+    program_day: int | None
+    metadata_json: dict
+
+    model_config = {"from_attributes": True}