Add Mastodon and Bluesky to author social links

[Copilot]

Adds support for displaying Mastodon and Bluesky social media links alongside existing Twitter links in author profiles, following the established pattern for social link integration.

Changes

Data

• Added mastodon and bluesky fields to 6 authors in site/data/authors.yml with full profile URLs

Templates

• Created site/layouts/partials/author-social-links.html - a reusable partial that extracts and displays usernames from social media URLs:
  • Twitter: displays handle directly
  • Mastodon: extracts username from any Mastodon instance using regex https://[^/]+/@([^/]+)
  • Bluesky: extracts handle from Bluesky URLs using regex https://bsky\.app/profile/([^/?]+)
  • Gracefully falls back to full URL if extraction doesn't match pattern
• Updated site/layouts/post/single.html and site/layouts/history/single.html to use the partial, eliminating previous code duplication

Documentation

• Updated README.md with correct author data format examples and simplified template examples showing partial usage

Example

Before, social links required inline template code in each layout. Now:

{{ partial "author-social-links" $author }}

This renders:

<a class="author-twitter" href="https://twitter.com/psiinon">@psiinon</a>
<br />
<a class="author-mastodon" rel="me" href="https://infosec.exchange/@psiinon">@psiinon</a>
<br />
<a class="author-bluesky" href="https://bsky.app/profile/psiinon.bsky.social">@psiinon.bsky.social</a>

The regex patterns extract just the username portion for clean display while preserving full URLs for navigation.

• Fixes Add Mastodon to author social links #3077

[psiinon]

Checkmarx One – Scan Summary & Details – a935507d-b048-41dd-ab00-8bfa7bd8a4fb

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New Issues (3)

Checkmarx found the following issues in this Pull Request

#	Severity	Issue	Source File / Package	Checkmarx Insight
1		CVE-2026-9358	Npm-postcss-selector-parser-7.1.1	details Recommended version: 7.1.3 Description: A vulnerability was determined in postcss-selector-parser up to 6.1.2/7.1.2. Affected is the function toString of the file src/selectors/container.... Attack Vector: NETWORK Attack Complexity: LOW Vulnerable Package
2		CVE-2026-9358	Npm-postcss-selector-parser-6.1.2	details Recommended version: 6.1.3 Description: A vulnerability was determined in postcss-selector-parser up to 6.1.2/7.1.2. Affected is the function toString of the file src/selectors/container.... Attack Vector: NETWORK Attack Complexity: LOW Vulnerable Package
3		CVE-2026-9358	Npm-postcss-selector-parser-7.1.0	details Recommended version: 7.1.3 Description: A vulnerability was determined in postcss-selector-parser up to 6.1.2/7.1.2. Affected is the function toString of the file src/selectors/container.... Attack Vector: NETWORK Attack Complexity: LOW Vulnerable Package

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Policy Management Violations (1)

Policy Name: Commercial packages

The following violations of your team's AppSec policy rules were identified in this project. Since 'Break Build' is enabled for these rules, you must resolve these issues before the Pull Request can be merged. This is the default policy that applies to all projects in your account.

• Rule Name: Rule validation failed due to a partial or failed scan
  Scanner: SAST, SCA, IaC-Security, Containers
  Entity: Vulnerability

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[kingthorin]

Verified on public website.