⚡ Live Sandbox: AI Dev Tool: Rust WebAssembly Edge (xah8)

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```python
# AI Dev Tool: FastAPI Pydantic v2 Micro-SaaS Boilerplate
# ======================================================

"""
Production-ready FastAPI Pydantic v2 Micro-SaaS boilerplate.
Includes user authentication, authorization, and basic CRUD operations.
"""

from fastapi import FastAPI, Depends, HTTPException
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from pydantic import BaseModel, Field
from pydantic.errors import ListError
from typing import List, Optional
from passlib.context import CryptContext
from jose import jwt, JWTError
from datetime import datetime, timedelta

# App configuration
app = FastAPI(
    title="FastAPI Pydantic v2 Micro-SaaS Boilerplate",
    description="Production-ready FastAPI Pydantic v2 Micro-SaaS boilerplate.",
    version="1.0.0",
)

# OAuth2 scheme
oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")

# Password context
pwd_context = CryptContext(schemes=["bcrypt"], default="bcrypt")

# JWT secret key
SECRET_KEY = "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f

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