Duplicate Stripe webhook URLs created billing divergence, fixed by code consolidation

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A development team discovered their application had two live webhook endpoints for Stripe payments, each with different implementations. Which endpoint handled real payments was controlled by a configuration setting in Stripe's external dashboard, not visible in the codebase. The two implementations had silently diverged, causing subtle inconsistencies in customer account states. The team resolved the issue by making both URLs point to the same function, eliminating the discrepancy while maintaining compatibility with Stripe's configuration.

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