Refactor anchor link handling and enhance scrolling functionality. Update markdown processing to support GitHub-style anchor links and improve user experience with smooth scrolling to headings. Add debugging utilities for anchor links in development.

posts/anchor-test.md

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+---
+title: Anchor Link Test
+date: '2025-01-20'
+tags:
+  - test
+  - anchors
+summary: Testing anchor link functionality
+author: Test Author
+---
+
+# Anchor Link Test
+
+This is a test page to verify that anchor links work correctly.
+
+## Table of Contents
+
+- [Overview](#overview)
+- [Basic Headings](#basic-headings)
+- [Special Characters](#special-characters)
+- [Numbers and Symbols](#numbers-and-symbols)
+- [Long Headings](#long-headings)
+- [Nested Sections](#nested-sections)
+
+## Overview
+
+This section tests basic anchor linking functionality.
+
+## Basic Headings
+
+### Simple Heading
+This is a simple heading with basic text.
+
+### Another Heading
+This is another heading to test multiple anchors.
+
+## Special Characters
+
+### Heading with Special Chars: @#$%^&*()
+This heading contains special characters that should be properly slugified.
+
+### Heading with Spaces and Dashes
+This heading has spaces and should be converted to dashes.
+
+### Heading_with_Underscores
+This heading uses underscores instead of spaces.
+
+## Numbers and Symbols
+
+### Heading with Numbers 123
+This heading includes numbers.
+
+### Heading with Symbols !@#$%^&*()
+This heading has various symbols.
+
+## Long Headings
+
+### This is a Very Long Heading That Should Still Work Properly Even When It Contains Many Words and Characters
+This heading is intentionally long to test slugification with extended text.
+
+## Nested Sections
+
+### Level 3 Heading
+This is a level 3 heading.
+
+#### Level 4 Heading
+This is a level 4 heading.
+
+##### Level 5 Heading
+This is a level 5 heading.
+
+###### Level 6 Heading
+This is a level 6 heading.
+
+### Another Level 3
+This is another level 3 heading.
+
+## Test Links
+
+You can test the anchor links by clicking on these:
+
+- [Go to Overview](#overview)
+- [Go to Basic Headings](#basic-headings)
+- [Go to Special Characters](#special-characters)
+- [Go to Numbers and Symbols](#numbers-and-symbols)
+- [Go to Long Headings](#long-headings)
+- [Go to Nested Sections](#nested-sections)
+- [Go to Level 3 Heading](#level-3-heading)
+- [Go to Level 4 Heading](#level-4-heading)
+- [Go to Level 5 Heading](#level-5-heading)
+- [Go to Level 6 Heading](#level-6-heading)
+
+## Simple Test
+
+### Test Heading
+This is a simple test heading to verify anchor linking works.
+
+- [Go to Test Heading](#test-heading)
+
+## Conclusion
+
+If all the links above work correctly, the anchor linking system is functioning properly!