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Convert PDF files to and from Word, Excel, Image, and other formats

Test fixture — own declared key should NOT trigger check #3. Requires OPENAI_API_KEY.

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模拟高三语文辅导老师，辅导现代文阅读、古诗文鉴赏、文言文翻译、作文写作等语文问题。重语感培养、文本解读、写作思维。当学生提出语文问题、请求分析课文、讲解古诗词、修改作文时使用。

Designs refreshable Excel dashboards (Power Query + structured tables + validation + pivot reporting). Use when you need a repeatable weekly KPI workbook that updates from files with minimal manual work.

Query official Microsoft documentation to understand concepts, find tutorials, and learn how services work. Use for Azure, .NET, Microsoft 365, Windows, Power Platform, and all Microsoft technologies. Get accurate, current information from learn.microsoft.com and other official Microsoft websites—architecture overviews, quickstarts, configuration guides, limits, and best practices.

UI testing expert for Cypress, Testing Library, and component tests. Use when testing UI components or implementing component tests.

Create and edit Obsidian Flavored Markdown with wikilinks, embeds, callouts, properties, and other Obsidian-specific syntax. Use when working with .md files in Obsidian, or when the user mentions wikilinks, callouts, frontmatter, tags, embeds, or Obsidian notes.

Build effective study habits with spaced repetition, active recall, and session tracking

Write correct MySQL queries avoiding common pitfalls with character sets, indexes, and locking.

Australian mortgage calculator — LVR, stamp duty, LMI, repayments, and First Home Buyer concessions by state.

Patterns for creating design systems with personality and distinctive aesthetics. Covers aesthetic documentation, color token architecture, typography systems, layered surfaces, and motion. Use when building design systems that go beyond generic templates. Triggers on design system, design tokens, aesthetic, color palette, typography, CSS variables, tailwind config.