Add Mermaid diagram rendering to kitty-image#1
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Render a Mermaid definition to a PNG and display it inline, reusing show.py for the display half. Local-first for privacy: uses `mmdc` if present, else `npx -p @mermaid-js/mermaid-cli mmdc` pointed at an already-installed Chrome (no Puppeteer Chromium download). The diagram text never leaves the machine unless `--remote` is passed, which renders via the public mermaid.ink service (pako-encoded envelope, dark theme). - New skills/kitty-image/mermaid.py: .mmd or stdin input; --theme/--bg/--scale/ --out/--no-show/--pts flags; dedicated exit codes 10-13. URL-encodes remote query params and guards output writes against uncaught errors. - SKILL.md: mermaid triggering, a "Mermaid workflow diagrams" section, and an exit-code table (also documents the pre-existing show.py code 6). - README: mermaid usage section and optional-dependency note. - plugin.json -> 0.2.0 + keywords; CHANGELOG [0.2.0]; CI now compiles mermaid.py. - Design spec under docs/superpowers/specs/. Every renderer assumption was verified empirically (which corrected two stale upstream doc claims), and the new script passed an adversarial multi-lens review with per-finding verification.
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Adds first-class Mermaid support to the
kitty-imageskill: turn a Mermaid definition (flowchart, sequence, state, workflow, …) into an inline terminal image.What's new
mermaid.py— renders a Mermaid definition to PNG, then hands off toshow.pyfor display. Reads a.mmdfile or stdin (-).mmdcif onPATH, elsenpx -p @mermaid-js/mermaid-cli mmdcpointed at an already-installed Chrome (no Puppeteer Chromium download). The diagram text never leaves the machine unless--remoteis passed (renders via mermaid.ink, pako envelope).--theme dark,--bg #10121a,--scale 2) match the existing Pillow chart aesthetic. Exit codes 10–13.SKILL.mdtriggering + section + exit-code table,README.mdsection,plugin.json→0.2.0,CHANGELOG[0.2.0], CI now compilesmermaid.py, and a design spec underdocs/.Verification
PUPPETEER_EXECUTABLE_PATHdoes work).