⚡ Live Sandbox: AI Dev Tool: Rust WebAssembly Edge (cq3z)

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```python
# AI Dev Tool: FastAPI Hono Cloudflare Workers D1 Starter
# Description: A production-ready starter boilerplate for building micro-SaaS applications
# using FastAPI, Pydantic v2, and Cloudflare Workers with Hono and D1 database.

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from typing import List, Optional
from hono import Hono
from cloudflare import WorkersKV

# Initialize the FastAPI application
app = FastAPI()

# Define the Pydantic model for the data
class Item(BaseModel):
    id: int
    name: str
    description: Optional[str] = None

# Initialize the Hono client
hono = Hono()

# Initialize the Cloudflare Workers KV store
kv = WorkersKV()

# Define the route for getting all items
@app.get("/items/", response_model=List[Item])
async def get_items():
    """
    Get all items from the database.
    
    Returns:
    list[Item]: A list of items.
    """
    try:
        # Get all items from the Hono database
        items = await hono.get_all_items()
        return items
    except Exception as e:

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