⚡ Live Sandbox: AI Dev Tool: GLM53 and the spread

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```python
# AI Dev Tool: PostgreSQL Vector Search Extension with FastAPI and Hono Cloudflare Workers D1 Starter
# =================================================================================================
# This is a production-ready developer code asset that integrates PostgreSQL Vector Search Extension
# with FastAPI and Hono Cloudflare Workers D1 Starter. It provides a scalable and secure API for
# vector search functionality.

import os
import uvicorn
from fastapi import FastAPI, HTTPException
from fastapi.responses import JSONResponse
from fastapi.requests import Request
from fastapi.middleware.cors import CORSMiddleware
from hono import Hono
from psycopg2 import connect
from psycopg2.extras import DictCursor
from typing import List, Dict

# Initialize the FastAPI app
app = FastAPI()

# Initialize the Hono Cloudflare Workers D1 Starter
hono = Hono()

# Define the PostgreSQL connection settings
POSTGRES_HOST = os.environ.get("POSTGRES_HOST")
POSTGRES_PORT = os.environ.get("POSTGRES_PORT")
POSTGRES_USER = os.environ.get("POSTGRES_USER")
POSTGRES_PASSWORD = os.environ.get("POSTGRES_PASSWORD")
POSTGRES_DB = os.environ.get("POSTGRES_DB")

# Define the PostgreSQL Vector Search Extension settings
VECTOR_SEARCH_TABLE = os

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