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```python
# AI Dev Tool: Lumina - FastAPI Pydantic v2 Micro-SaaS Starter
# Description: A production-ready starter boilerplate for building micro-SaaS applications with FastAPI and Pydantic v2

from fastapi import FastAPI, Depends, HTTPException
from pydantic import BaseModel, Field
from typing import List, Optional
from supabase import create_client, Client

# Initialize FastAPI app
app = FastAPI()

# Initialize Supabase client
SUPABASE_URL = "https://your-supabase-url.supabase.co"
SUPABASE_KEY = "your-supabase-key"
SUPABASE_SECRET = "your-supabase-secret"
supabase: Client = create_client(SUPABASE_URL, SUPABASE_KEY)

# Define Pydantic models
class User(BaseModel):
    """User model"""
    id: int = Field(..., description="User ID")
    name: str = Field(..., description="User name")
    email: str = Field(..., description="User email")

# ... full runnable version includes tests & documentation