AI Dev Tool: K2 Horizon A connected

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Preview Code

```python
# AI Dev Tool: PostgreSQL Vector Search Extension with Hono Cloudflare Workers D1 Starter
# Description: A production-ready developer code asset for building scalable vector search applications
# Category: Production Starter Boilerplate

import os
import json
from typing import Dict, List
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 postgresql_vector_search import PostgreSQLVectorSearch

# Initialize the FastAPI application
app = FastAPI()

# Enable CORS for cross-origin requests
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
# ... full runnable version includes tests & documentation