feat: Add Findagram and FindADispo consumer frontends

- Add findagram.co React frontend with product search, brands, categories
- Add findadispo.com React frontend with dispensary locator
- Wire findagram to backend /api/az/* endpoints
- Update category/brand links to route to /products with filters
- Add k8s manifests for both frontends
- Add multi-domain user support migrations

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

findadispo/backend/auth.py

@@ -0,0 +1,139 @@
+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from fastapi import Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordBearer
+from sqlalchemy.orm import Session
+from pydantic import BaseModel, EmailStr
+
+from config import get_settings
+from database import get_db
+from models import User
+
+settings = get_settings()
+
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="auth/login")
+
+
+# Pydantic models
+class UserCreate(BaseModel):
+    email: EmailStr
+    password: str
+    full_name: str
+    phone: Optional[str] = None
+    default_location: Optional[str] = None
+
+
+class UserUpdate(BaseModel):
+    full_name: Optional[str] = None
+    phone: Optional[str] = None
+    default_location: Optional[str] = None
+    notify_price_alerts: Optional[bool] = None
+    notify_new_dispensaries: Optional[bool] = None
+    notify_weekly_digest: Optional[bool] = None
+    notify_promotions: Optional[bool] = None
+
+
+class UserResponse(BaseModel):
+    id: int
+    email: str
+    full_name: Optional[str]
+    phone: Optional[str]
+    default_location: Optional[str]
+    is_active: bool
+    is_verified: bool
+    notify_price_alerts: bool
+    notify_new_dispensaries: bool
+    notify_weekly_digest: bool
+    notify_promotions: bool
+
+    class Config:
+        from_attributes = True
+
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+
+
+class TokenData(BaseModel):
+    email: Optional[str] = None
+
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    return pwd_context.verify(plain_password, hashed_password)
+
+
+def get_password_hash(password: str) -> str:
+    return pwd_context.hash(password)
+
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=settings.access_token_expire_minutes)
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, settings.secret_key, algorithm=settings.algorithm)
+    return encoded_jwt
+
+
+def get_user_by_email(db: Session, email: str) -> Optional[User]:
+    return db.query(User).filter(User.email == email).first()
+
+
+def authenticate_user(db: Session, email: str, password: str) -> Optional[User]:
+    user = get_user_by_email(db, email)
+    if not user:
+        return None
+    if not verify_password(password, user.hashed_password):
+        return None
+    return user
+
+
+def create_user(db: Session, user_data: UserCreate) -> User:
+    hashed_password = get_password_hash(user_data.password)
+    db_user = User(
+        email=user_data.email,
+        hashed_password=hashed_password,
+        full_name=user_data.full_name,
+        phone=user_data.phone,
+        default_location=user_data.default_location,
+    )
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return db_user
+
+
+async def get_current_user(
+    token: str = Depends(oauth2_scheme),
+    db: Session = Depends(get_db)
+) -> User:
+    credentials_exception = HTTPException(
+        status_code=status.HTTP_401_UNAUTHORIZED,
+        detail="Could not validate credentials",
+        headers={"WWW-Authenticate": "Bearer"},
+    )
+    try:
+        payload = jwt.decode(token, settings.secret_key, algorithms=[settings.algorithm])
+        email: str = payload.get("sub")
+        if email is None:
+            raise credentials_exception
+        token_data = TokenData(email=email)
+    except JWTError:
+        raise credentials_exception
+
+    user = get_user_by_email(db, email=token_data.email)
+    if user is None:
+        raise credentials_exception
+    return user
+
+
+async def get_current_active_user(current_user: User = Depends(get_current_user)) -> User:
+    if not current_user.is_active:
+        raise HTTPException(status_code=400, detail="Inactive user")
+    return current_user