This commit introduces a comprehensive collection of utility scripts for shell automation, color manipulation, and documentation generation: Core Scripts: - artifact_github_download.sh: Download GitHub Action artifacts via CLI - css_color_filter.sh: Generate CSS filter values using SPSA algorithm - css_color_palette.sh: Generate comprehensive color palettes (monochromatic, triadic, etc.) - css_json_convert.sh: Convert CSS variables to JSON/YAML formats - doc_bash_generate.sh: Auto-generate README.md with animated GIF demos - doc_rust_generate.sh: Generate Rust project documentation - jinja_template_render.sh: Render Jinja2 templates from CLI - mime_mp4_gif.sh: Convert MP4 videos to GIF format Documentation Features: - Comprehensive README.md with table of contents - 8 animated GIF demos showing real command examples - Sandboxed demo execution in temporary directories - 15-second timeout protection for intensive computations - Automatic example extraction from --help output Technical Implementation: - Pure bash color utilities using only bc for arithmetic - tput-based color codes for portability - IFS-safe string parsing using parameter expansion - Stdout/stderr isolation to prevent contamination - Base64 encoding for multi-line text preservation All scripts include detailed --help documentation with usage examples. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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