🎨 Palette: Add pagination to documentation pages

[google-labs-jules]

💡 What: Added a new Pagination component to the documentation site.
🎯 Why: To improve user navigation by providing convenient "Previous" and "Next" links at the bottom of each documentation page, allowing for linear reading.
📸 Before/After: Added Previous/Next buttons at the bottom of the page content area.
♿ Accessibility: Used semantic <nav>, aria-label, rel attributes, and clear focus indicators for keyboard users.

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PR created automatically by Jules for task 7195916456732784843 started by @srod

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Summary by cubic

Adds Previous/Next pagination to documentation pages based on the sidebar order. Improves navigation and supports linear reading across topics.

• New Features
  • Added Pagination.astro that derives prev/next from SIDEBAR and current path, rendered in MainLayout below page content, with a safe fallback when the page isn’t in the sidebar.
  • Accessible and theme-aligned: semantic nav, aria-label, rel="prev/next", clear focus states, and non-shrinking icons.

^{Written for commit 2c08fe6. Summary will update on new commits.}

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Latest commit: 2c08fe6

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[greptile-apps]

Skipped: This PR was opened by one of your excluded authors: (google-labs-jules[bot])

[cubic-dev-ai]

1 issue found across 2 files

Prompt for AI agents (all issues)

Check if these issues are valid — if so, understand the root cause of each and fix them.


<file name="docs/src/components/Pagination.astro">

<violation number="1" location="docs/src/components/Pagination.astro:16">
P2: Guard against `findIndex` returning -1. Without bounds checks, a page that isn’t in SIDEBAR still renders a “Next” link to the first entry, which is misleading navigation.</violation>
</file>

_{Reply with feedback, questions, or to request a fix. Tag @cubic-dev-ai to re-run a review.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.37%. Comparing base (6dc83f9) to head (2c08fe6).
⚠️ Report is 3 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2783   +/-   ##
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  Coverage    99.37%   99.37%           
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  Files           63       63           
  Lines         1277     1277           
  Branches       391      391           
========================================
  Hits          1269     1269           
  Misses           8        8           

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