Beyond the Hype: What Vibe Coding Actually Delivers in Real-World Production

This end-to-end experiment reveals that while AI can handle the vast majority of product scaffolding and marketing, it remains ineffective against the volatile, undocumented environments of third-party platforms like Gmail. It proves that professional 'vibe coding' isn't a shortcut to magic, but a powerful yet flawed tool that still demands human architectural oversight for maintenance.