Create or improve lightweight, brand-consistent SVG concept diagrams for the Arbitrum docs, using the official Google Drive infographic asset kit as the palette/style source. Use when asked to "make a diagram more efficient", replace a bloated haw-*.svg (draw.io PNG-in-SVG exports), replace an ASCII / box-drawing diagram in an MDX page with a real image, author a new concept diagram for content/docs/how-arbitrum-works or similar, or build a diagram from the Arbitrum brand assets. Hand-authored lean vector SVG — not Mermaid, not a full Excalidraw/draw.io pipeline.

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Use when asked to rebrand, restyle, re-pace, resize, or re-render an existing explainer video, when a video's labels are baked-in raster pixels that cannot be edited, or when building a new animated explainer for the Arbitrum docs from a prompt or a doc section.

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Foundry's cast CLI for Ethereum interactions. Use when querying blockchain data, calling contracts, sending transactions, encoding/decoding data, or debugging on-chain issues. Triggers on "cast", "get balance", "call contract", "decode calldata", "check tx", "get block".

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Run full documentation quality audit, covering sidebar orphans, unused-file review, MDX structure, internal links, glossary references, contract addresses, variables, formatting, frontmatter, tests, and types. Triggers on "audit docs", "check docs quality", "find problems", "content audit".

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LLM Utility: Generate minimal project context map before starting any workflow. ALWAYS run this first at session start, before /prd, before /implement, or after context loss. Triggers on 'context prep', 'orient me', 'start', 'new session'.

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Create new Arbitrum development rules following best practices format. Use when capturing a reusable pattern, common mistake, or architectural decision. Triggers on "create rule", "add rule", "new rule", "document this pattern".

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