AI Dev Tool: PostgreSQL Vector Search (6n5n)

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Preview Code

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

"""
Production-ready FastAPI Pydantic v2 Micro-SaaS boilerplate.
Includes user authentication, authorization, and example routes.
"""

# Import dependencies
from fastapi import FastAPI, Depends, HTTPException
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
from pydantic import BaseModel, Field
from pydantic.validators import EmailStr
from passlib.context import CryptContext
from jose import jwt, JWTError
from datetime import datetime, timedelta
from typing import Optional

# Define constants
SECRET_KEY = "your_secret_key_here"
ALGORITHM = "HS256"
ACCESS_TOKEN_EXPIRE_MINUTES = 30

# Define the user model
# ... full runnable version includes tests & documentation