Every SaaS is adding AI features in 2026. Most teams burn the first two weeks on the same five pieces of plumbing — none of which are the actual product. Here's each one, with working TypeScript for Next.
Source: [Dev.to](https://dev.to/mt211211/the-5-pieces-of-ai-plumbing-every-saas-needs-in-2026-with-code-1270)