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3 Commits

Author SHA1 Message Date
Jamey Greenwood
2bc05097b9 feat: enhance image optimization with on-demand JPEG fallbacks 
Improve the image optimization pipeline with better compression and
smarter variant generation:

- Change to_lossless_webp → to_optimized_webp (lossy, quality 90)
- Auto-resize uploads larger than 2000px to save storage
- Skip pre-generating JPEG variants (~50% disk savings)
- Add on-demand JPEG generation for legacy browsers (<5% of users)
- Add /images/:id/variant/:width route for dynamic serving
- Add VariantCache to supervision tree for startup validation
- Add image_cache to static paths for disk-based serving

The pipeline now stores smaller WebP sources and generates AVIF/WebP
variants upfront, with JPEG generated only when legacy browsers request it.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-25 00:33:09 +00:00
Jamey Greenwood
878d8f63ac feat: add CSS generation system with custom properties and ETS cache 
- Create theme-primitives.css with spacing, fonts, radius scales
- Create theme-semantic.css with semantic CSS variable aliases
- Update app.css to import theme CSS files
- Add CSSGenerator module for dynamic CSS token generation
  - Generates mood variables (neutral, warm, cool, dark)
  - Generates typography variables (7 font combinations)
  - Generates shape variables (sharp, soft, round, pill)
  - Generates density variables (spacious, balanced, compact)
  - Converts hex colors to HSL for flexible manipulation
- Add CSSCache GenServer with ETS table for performance
  - Caches generated CSS to avoid regeneration
  - Warms cache on application startup
  - Provides invalidation for theme updates
- Add CSSCache to application supervision tree
- Add comprehensive tests for CSS generation (29 tests)
- Add comprehensive tests for preset validation (14 tests)
- All tests passing (58 total tests, 0 failures)
- Verified CSS generation and caching work correctly in IEx
 2025-12-30 21:41:25 +00:00
Jamey Greenwood
4f2ed90044 mix phx.new simpleshop_theme --database sqlite3 --adapter bandit --binary-id 2025-12-30 12:26:26 +00:00