AI Dev Tool: FastAPI Pydantic v2 (u0e7)

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Preview Code

```python
# AI Dev Tool: Vector Search API
# Description: A production-ready API integration wrapper for PostgreSQL Vector Search Extension
# Category: API Integration Wrapper

import os
import json
from fastapi import FastAPI, HTTPException
from fastapi.responses import JSONResponse
from pydantic import BaseModel
from typing import List, Optional
import psycopg2
from psycopg2 import Error

# Define the Vector Search API app
app = FastAPI(
    title="Vector Search API",
    description="A production-ready API integration wrapper for PostgreSQL Vector Search Extension",
    version="1.0.0",
)

# Define the database connection settings
DB_HOST = os.environ.get("DB_HOST", "localhost")
DB_PORT = os.environ.get("DB_PORT", 5432)
DB_NAME = os.environ.get("DB_NAME", "vector_search")
# ... full runnable version includes tests & documentation