Initial commit: Pole Dance Championships App

Full-stack mobile app for pole dance championship management.

Backend: FastAPI + SQLAlchemy 2 (async) + SQLite (dev) / PostgreSQL (prod)
- JWT auth with refresh token rotation
- Championship CRUD with Instagram Graph API sync (APScheduler)
- Registration flow with status management
- Participant list publish with Expo push notifications
- Alembic migrations, pytest test suite

Mobile: React Native + Expo (TypeScript)
- Auth gate: pending approval screen for new members
- Championships list & detail screens
- Registration form with status tracking
- React Query + Zustand + React Navigation v6

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/models/user.py

@@ -0,0 +1,40 @@
+import uuid
+from datetime import datetime, timezone
+
+from sqlalchemy import DateTime, String
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+def _now() -> datetime:
+    return datetime.now(timezone.utc)
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
+    email: Mapped[str] = mapped_column(String(255), unique=True, nullable=False)
+    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
+    full_name: Mapped[str] = mapped_column(String(255), nullable=False)
+    phone: Mapped[str | None] = mapped_column(String(50))
+    role: Mapped[str] = mapped_column(String(20), nullable=False, default="member")
+    # 'member' | 'organizer' | 'admin'
+    status: Mapped[str] = mapped_column(String(20), nullable=False, default="pending")
+    # 'pending' | 'approved' | 'rejected'
+    expo_push_token: Mapped[str | None] = mapped_column(String(512))
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_now)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), default=_now, onupdate=_now
+    )
+
+    refresh_tokens: Mapped[list["RefreshToken"]] = relationship(
+        back_populates="user", cascade="all, delete-orphan"
+    )
+    registrations: Mapped[list["Registration"]] = relationship(
+        back_populates="user", cascade="all, delete-orphan"
+    )
+    notification_logs: Mapped[list["NotificationLog"]] = relationship(
+        back_populates="user", cascade="all, delete-orphan"
+    )