docs: link the compiled paper from the book nav

[tschm]

Adds one line to mkdocs.yml:

nav:
  - Home: index.md
  - Paper: paper/main.pdf      # <- new

docs/paper/ already sits inside docs_dir, so the site build was copying the compiled
PDF to paper/main.pdf all along — it just wasn't linked from anywhere. This is the nav
entry the paper bundle's own README recommends, and it turns the PDF from a
reachable-if-you-know-the-URL asset into the durable published copy (the workflow artifact
expires after 30 days).

Verified locally: compiled the paper, built the book, and ran the real gate —
rhiza-task book-nav resolves paper/main.pdf against _book/paper/main.pdf.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Added the paper PDF to the documentation navigation under a new Paper entry.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: ab022e29-9270-4257-846c-f8b43e1e1438

📥 Commits

Reviewing files that changed from the base of the PR and between ec56d7b and b2402cb.

📒 Files selected for processing (1)

• mkdocs.yml

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The MkDocs navigation now includes a Paper entry that links to paper/main.pdf.

Changes

Documentation navigation

Layer / File(s)	Summary
Add paper navigation entry mkdocs.yml	Adds a Paper navigation item linked to paper/main.pdf.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Merge Risk: ⚪ Minimal · up to b2402

This change adds the compiled paper PDF to the published book navigation without altering runtime behavior; no actionable merge-blocking risk remains after normal checks and review.

Suggested reviewers: mwaleedta

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: linking the compiled paper in the book navigation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/paper-nav

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[Copilot]

🟡 Changes recommended

The new nav entry points to a PDF that is gitignored and not present by default, which can break mkdocs build/serve unless the docs build reliably generates docs/paper/main.pdf beforehand.

Once you've addressed the issues Copilot identified, you can request another Copilot review.

Pull request overview

Adds a MkDocs navigation entry to expose the compiled LaTeX paper PDF from the published documentation site, aligning with the existing docs/paper/README.md guidance and making the PDF discoverable via the book UI rather than only as a workflow artifact.

Changes:

• Add Paper: paper/main.pdf to the MkDocs nav to link the compiled paper from the site navigation.

File summaries

File	Description
mkdocs.yml	Adds a “Paper” nav entry pointing at the compiled PDF path (paper/main.pdf).

Review details

• Files reviewed: 1/1 changed files
• Comments generated: 1
• Review effort level: Lite

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