Initial project scaffold: FastAPI + React/Vite + PostgreSQL SaaS starter

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

backend/app/core/security.py

@@ -0,0 +1,30 @@
+from datetime import datetime, timedelta, timezone
+
+from jose import jwt
+from passlib.context import CryptContext
+
+from app.core.config import settings
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+
+def hash_password(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def verify_password(plain: str, hashed: str) -> bool:
+    return pwd_context.verify(plain, hashed)
+
+
+def create_access_token(subject: str) -> str:
+    expire = datetime.now(timezone.utc) + timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    return jwt.encode(
+        {"sub": subject, "exp": expire},
+        settings.SECRET_KEY,
+        algorithm=settings.ALGORITHM,
+    )
+
+
+def decode_access_token(token: str) -> str:
+    payload = jwt.decode(token, settings.SECRET_KEY, algorithms=[settings.ALGORITHM])
+    return payload["sub"]