"""Tests for BillingCycle.run — fully implemented. These tests use the `repos` fixture and helpers from conftest.py. Tests are deterministic (no datetime.now), one ACTIVE customer per test (mostly).

Abstract: Large language models (LLMs) have emerged as a promising tool for detecting code vulnerabilities, potentially offering advantages over traditional rule-based methods. This paper proposes an ...

"""End-to-end demo scenario — fully implemented. This is the Day-3 evening capstone exercise. It exercises the WHOLE system: customer creation → subscription → billing cycle → payment → ledger balance ...

The number of tax practitioners using AI for research has nearly doubled in just a year, which is increasingly leading them to explore alternative billing models. Processing Content This is according ...