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Greptile Summary

This PR migrates the Topograph Fern docs from a per-repo custom theme (inline CSS, React footer component, local SVG assets, JS analytics block) to Fern's shared global-theme: nvidia, and bumps the Fern CLI from 4.42.1 to 5.30.2 to enable that feature. The net result is a deletion of five files and ~1100 lines of bespoke theming configuration.

• Deleted: NVIDIA_dark.svg, NVIDIA_light.svg, NVIDIA_symbol.svg, CustomFooter.tsx, main.css — all now provided centrally by the global theme.
• docs.yml simplified: footer, layout, colors, theme, logo image paths, favicon, js, css, and experimental blocks removed; logo.href, logo.right-text, and navbar-links retained.
• BadgeLinks.tsx is now an orphan: the experimental.mdx-components registration and the .badge-links CSS it depends on are both gone; no MDX file currently uses it, so there is no production break, but the file is non-functional as-is.

Confidence Score: 4/5

Safe to merge; changes are pure deletions and configuration simplification with no functional logic code touched.

The change is straightforward infrastructure cleanup — local theme assets, CSS, and a custom footer React component are deleted and replaced by a shared global theme. The fern check and local dev preview validations give reasonable confidence the Fern v5 migration is correct. Two non-blocking concerns remain: BadgeLinks.tsx is now unregistered and its CSS dependency is gone (though no MDX page currently uses it), and the Adobe DTM analytics script was removed without explicit confirmation that the global theme re-injects it centrally.

fern/docs.yml deserves a second look for the dropped Adobe DTM js: block and the removed experimental section; fern/components/BadgeLinks.tsx should either be deleted or properly re-wired for Fern v5.

Important Files Changed

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    subgraph Before["Before (Fern 4.42.1 – per-repo theme)"]
        A[docs.yml] --> B[main.css]
        A --> C[CustomFooter.tsx]
        A --> D[NVIDIA_dark/light/symbol.svg]
        A --> E[Adobe DTM JS script]
        A --> F[experimental: mdx-components]
        F --> G[BadgeLinks.tsx]
    end

    subgraph After["After (Fern 5.30.2 – global-theme)"]
        H[docs.yml] -->|global-theme: nvidia| I[Fern global-theme: nvidia]
        I --> J[Central CSS / theme]
        I --> K[Central footer]
        I --> L[Central logo/favicon assets]
        H --> M[logo.href + right-text]
        H --> N[navbar-links / redirects]
        O[BadgeLinks.tsx] -.->|unregistered, unused| X((orphaned))
    end

    Before -.->|Migration| After

_{Reviews (1): Last reviewed commit: "feat(fern): adopt global-theme nvidia, r..." | Re-trigger Greptile}