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/config.py

@@ -0,0 +1,22 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
+
+    # Database
+    database_url: str = "postgresql+asyncpg://poledance:poledance@localhost:5432/poledance"
+
+    # JWT
+    secret_key: str = "dev-secret-key-change-in-production"
+    algorithm: str = "HS256"
+    access_token_expire_minutes: int = 15
+    refresh_token_expire_days: int = 7
+
+    # Instagram Graph API
+    instagram_user_id: str = ""
+    instagram_access_token: str = ""
+    instagram_poll_interval: int = 1800  # seconds
+
+
+settings = Settings()