- Width slider now goes to 1500 (was 500), default 300
- Resolution presets: Low (100), Med (300), High (600), Ultra (1000), Max (1500)
- Optimized renderer: fast pixel access via img.load(), run-length color
grouping in HTML output (groups consecutive same-color chars into one span)
- 800-wide render in 0.5s, 1500-wide in 3.3s
- Base font reduced to 5px for ultra-dense display
- Container bumped to 4 CPU / 1GB RAM for heavy renders
- Uvicorn keep-alive timeout increased to 120s
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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