I audited my own SaaS site for AI agents. Half my content was invisible. A solo founder's wake-up call about the silent web crisis nobody warned us about. I spent 30 years as a civil engineer in Kharkiv. I sized rebar. I checked rebar twice. The first rule of structural engineering is: if you can't measure it, it isn't there. So when I started building software two years ago, I assumed the rule still held. If my website worked, it worked. If Google indexed it, it indexed. Done. Then I ran an audit on my own site . What I expected to find: nothing I run guardlabs.online . We've been around 8 months. We're not Stripe — but we're not a single-page hobby project either. Multiple landing pages, half a dozen products, three languages, real customers. I wrote a quick auditor to check what AI agents — ChatGPT, Claude, Perplexity, Grok, the dozens of B2B agents scraping the web in 2026 — actually see when they look at our site. I expected one or two yellow warnings.…