Have you created custom intermediate software components for application architecture?

Yes, creating custom middleware components is a common practice in application development, especially in multi-layered architectures.

For example, in Python, you can write middleware for a web application using Flask or Django, which handles requests between the client and server, adding functionalities such as logging, authentication, or caching.

A simple example of middleware in Flask:

from flask import Flask, request

app = Flask(__name__)

@app.before_request
def before_request_func():
    print(f"Request to {request.path}")

@app.route('/')
def index():
    return "Hello, world!"

if __name__ == '__main__':
    app.run()

Such a component can be extended and used for various purposes within the application's architecture.