Implement Reusable Content Collections UI Architecture

Component Pipeline Implementation

Created a complete UI pipeline for rendering content collections, with the changelog as our first implementation. The system follows a strict component hierarchy with clear separation of structure and presentation.

New Components

Base Components

CollectionEntryRow.astro: Reusable row component with hover effects
CollectionListScroll.astro: Generic scrollable list with styled scrollbars

Specialized Components

ChangelogEntry.astro: Changelog-specific entry with metadata display
ChangelogEntries.astro: List manager with sorting and filtering

Layouts

CollectionStructure--OneColumn--Scroll.astro: Base layout with sticky header
Changelog.astro: Specialized layout with timeline effect

Utilities

formatDate.ts: Consistent date formatting utility
frontmatterIrregularityFilterReturnsValidFrontmatterOnly.ts: Frontmatter validation

Key Features

Reusable base components for structure
Collection-specific components for presentation
Aggressive inline commenting throughout
Consistent styling using CSS variables
Responsive design with container queries
Timeline visual effect for changelog entries
Smooth scrolling with styled scrollbars
Frontmatter validation for entries

Style Integration

Uses global CSS variables from global.css
Maintains brand colors and typography
Implements gradient effects for visual interest
Provides smooth hover transitions
Ensures dark mode compatibility

File Structure

text

site/src/
├── pages/workflow/
│   └── changelog.astro           (Entry point)
├── layouts/
│   ├── CollectionStructure--OneColumn--Scroll.astro
│   └── Changelog.astro
├── components/
│   ├── basics/
│   │   ├── CollectionListScroll.astro
│   │   └── CollectionEntryRow.astro
│   ├── workflow/
│   │   └── ChangelogEntries.astro
│   └── changelog/
│       └── ChangelogEntry.astro
└── utils/
    ├── formatDate.ts
    └── frontmatterIrregularityFilterReturnsValidFrontmatterOnly.ts