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```python
# AI Dev Tool: Cloudflare Worker Hono API Template with PostgreSQL Vector Search
# ==============================================================================
# This is a production-ready developer code asset that provides a starter boilerplate
# for building a Cloudflare Worker Hono API with PostgreSQL Vector Search integration.

import os
import json
from typing import Dict, List
from hono import Hono
from cloudflare import Worker
from psycopg2 import connect
from psycopg2.extras import DictCursor

# PostgreSQL Vector Search Extension configuration
POSTGRES_HOST = os.environ.get('POSTGRES_HOST', 'localhost')
POSTGRES_DB = os.environ.get('POSTGRES_DB', 'mydb')
POSTGRES_USER = os.environ.get('POSTGRES_USER', 'myuser')
POSTGRES_PASSWORD = os.environ.get('POSTGRES_PASSWORD', 'mypassword')

# Cloudflare Worker configuration
CF_ACCOUNT_ID = os.environ.get('CF_ACCOUNT_ID', 'myaccountid')
CF_API_TOKEN = os.environ.get('CF_API_TOKEN', 'myapitoken')

# Initialize the Hono API
hono = Hono()

# Initialize the PostgreSQL connection
def get_postgres_connection():
    """Get a PostgreSQL connection"""
    return connect(
        host=POSTGRES_HOST,
        database=POSTGRES_DB

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