3+ years in, still the same lesson on repeat: the hard part of shipping software is rarely the code.

It's the migration you have to do without breaking anything live. The payment flow you build for strangers who've never met each other. The prototype that "mostly works" until real users show up.

Lately I've been spending more time in the AI-agent layer too — MCP servers, voice agents, chat agents that actually know the product they're supporting. Different tools, same instinct: make it reliable before you make it clever.

What's the "boring but hard" part of your current project? Curious what other people are wrestling with this week.