fix: add markdown extensions for PDF tab rendering

[jackgdsf]

Summary

Add pymdownx.tabbed, pymdownx.superfences, and admonition markdown extensions to mkdocs-pdf.yml so content tabs and warning blocks render correctly in the release PDF.

Without these extensions, the PDF shows literal tab syntax and raw admonition markup instead of rendered content.

Same fix as doplaydo/tps45#296.

Changes

• mkdocs-pdf.yml: Add markdown_extensions section

Test plan

• Verify mkdocs build -f mkdocs-pdf.yml succeeds

Closes #317

Summary by Sourcery

Documentation:

• Enable tabbed content and admonition blocks to render correctly in the PDF documentation build.

[gemini-code-assist]

Caution

The consumer version of Gemini Code Assist on GitHub has been sunset. All code review activity has officially ceased.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Configures MkDocs PDF build to use the same markdown extensions as the main site so tabbed content and admonitions render correctly in generated PDFs.

Flow diagram for MkDocs PDF build with markdown extensions

flowchart TD
    A[mkdocs-pdf.yml] --> B[mkdocs build -f mkdocs-pdf.yml]
    B --> C[Markdown processing]
    C --> D[pymdownx.tabbed with alternate_style]
    C --> E[pymdownx.superfences]
    C --> F[admonition]
    D --> G[Rendered tabs in PDF]
    E --> G
    F --> H[Rendered admonitions in PDF]

Loading

File-Level Changes

Change	Details	Files
Enable pymdownx tabbed content, superfences, and admonition rendering in the PDF-specific MkDocs config.	Add a markdown_extensions section to the PDF MkDocs configuration Configure pymdownx.tabbed with alternate_style set to true to match site styling for tabs Enable pymdownx.superfences extension to ensure fenced code blocks inside tabs/admonitions render properly Enable admonition extension so warning/info/note blocks render instead of appearing as raw markup	mkdocs-pdf.yml

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#317	Add the markdown extensions pymdownx.tabbed, pymdownx.superfences, and admonition to mkdocs-pdf.yml so that content tabs and warning/admonition blocks render correctly in the PDF.	✅

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[sourcery-ai]

Hey - I've left some high level feedback:

• Consider inheriting from the main mkdocs.yml (via INHERIT) or otherwise keeping the markdown_extensions list in sync with it to avoid configuration drift between the HTML and PDF builds.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Consider inheriting from the main `mkdocs.yml` (via `INHERIT`) or otherwise keeping the `markdown_extensions` list in sync with it to avoid configuration drift between the HTML and PDF builds.

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