bug: document.write used for printable comparison page

[nanaf6203-bit]

Summary

src/app/compare/page.tsx uses printWindow.document.write(html) to render a printable comparison view.

Affected area

src/app/compare/page.tsx (line ~190)

Steps to reproduce / impact

document.write after the document has been opened re-parses the document, breaks CSP unsafe-inline expectations, opens the door to injection if the html string ever embeds untrusted data, and is a known anti-pattern.

Expected behaviour

Replace with a regular Next.js printable route (/compare/print) rendered server-side, OR construct DOM via document.createElement and appendChild.

Acceptance criteria

• Remove all document.write calls.
• Confirm CSP does not need unsafe-inline for the print view.
• Add a regression test that opens the printable view and finds expected headings.

[OluRemiFour]

@OluRemiFour has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

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[Akinyemi04]

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[JamesEjembi]

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i would like to work on this issue

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This issue has been completed by @JamesEjembi as part of the Stellar Wave Program's 6th Wave 🥳

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