Pele Diagram Validation & Rendering

Pele (obsidianmd/pele, pele.run) is a synchronous, zero-dependency Mermaid 12.1.0 renderer that outputs clean, themeable SVG styled via CSS custom properties (--pele-*) without a headless browser.

Use the bundled CLI wrapper at ./scripts/pele (or pele if present on PATH). It caches pele@1.6.0 under ${PELE_CACHE_DIR:-${XDG_CACHE_HOME:-$HOME/.cache}/pele}/1.6.0 with --ignore-scripts on first run.

Required Workflow

1. Always validate before finishing: Whenever you author or edit a Mermaid diagram—whether in a standalone .mmd file or inside fenced mermaid ``` blocks in Markdown—run --check on the file.
2. Fix reported line/column errors: If --check exits 1, read the [<type>/<code>] (line N, column M) diagnostic and caret snippet on stderr, fix the syntax (commonly unquoted parentheses/brackets in node labels or invalid arrow tokens), and re-run --check until it exits 0.

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