v1.2.0 — skills: retire md-to-html, mermaid-render, marketing-flyer and deck-builder; rebuild file-to-markdown

• Four skills are retired: md-to-html, mermaid-render, marketing-flyer and deck-builder. On their held-out evals, in each of two trials and with both blind judges, plain Claude Code on Sonnet 5.5 did the job better (RFC-0068).
  • The first three add no rule the plain agent breaks. It wrote the better web page in every run, fixed the same diagrams and ran the Mermaid CLI itself, and built the whole flyer with placeholders where the skill stopped.
  • deck-builder was rebuilt around its rules first, and measured on fresh evals with its script able to run. The plain agent's decks were still preferred, and met more checks (81% against 69%).
  • If you installed one, it keeps working. skilldrop outdated, update and doctor now name it, with the reason and the uninstall command, and remove nothing. For deck-builder they suggest md-to-pptx.
  • To install one anyway, pin the last commit that had it: npx skilldrop-cli install <skill> --from https://github.com/sananthanarayan/skilldrop#43317a11eda9280e803e7224e9d1878211ee84f2.
• The design pack captures your brand and outlines your deck. Turn the outline into an on-brand .pptx with md-to-pptx from the converters pack, which reads the same brand.json. The converters pack covers Word, Excel, PowerPoint and Confluence. To show a Mermaid diagram as a picture, the converters now say to render it with the Mermaid CLI (npx -y @mermaid-js/mermaid-cli) and embed the PNG.
• file-to-markdown 0.4.0 was rebuilt, and now beats plain Claude Code on fresh evals (judges 2 and 3 of 4; 72% of checks against 62%).
  • Images: it saves embedded images from Word and PowerPoint files beside the Markdown, and links them where they sat.
  • Tracked changes: they stay pending, as {++added++} and {--removed--}, never written as accepted text.
  • Contradictions: it doesn't paste a figure the source contradicts into a table meant for publishing.
• Benchmark runs now install a skill's pip requirements, for every arm, as a user would.

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npx skilldrop-cli@1.2.0 install --pack solution-architect

skilldrop-cli@1.2.0 on npm, published with provenance.
The attached skilldrop-cli-1.2.0.tgz is that same file. Check its signed build provenance with
gh attestation verify skilldrop-cli-1.2.0.tgz --repo sananthanarayan/skilldrop; its SBOM is skilldrop-cli-1.2.0.cdx.json.