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```python
# AI Dev Tool: Vector Search API
# A production-ready API integration wrapper for PostgreSQL Vector Search
# using FastAPI, Pydantic, and Hono Cloudflare Workers

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from hono import Hono
from typing import List, Dict
import psycopg2
import json

# Define the PostgreSQL connection parameters
POSTGRES_HOST = "localhost"
POSTGRES_PORT = 5432
POSTGRES_DB = "vector_search"
POSTGRES_USER = "postgres"
POSTGRES_PASSWORD = "postgres"

# Define the Hono Cloudflare Workers API endpoint
HONO_API_ENDPOINT = "https://api.hono.dev/v1"

# Define the Vector Search API
app = FastAPI()

# Define the request and response models
class VectorSearchRequest(BaseModel):
    query: str
    limit: int = 10

class VectorSearchResponse(BaseModel):
    results: List[Dict[str, str]]

# Define the Hono Cloudflare Workers client
hono = Hono(api_key="YOUR_HONO_API_KEY")

# Define the PostgreSQL connection function
def connect_to_postgres():
    try:
        conn = psycopg2.connect(
            host=POST

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