This tells CodeSpeak that main.cs.md depends on storage.cs.md. When building main.cs.md, CodeSpeak will first build the storage spec, and then build the main spec with full knowledge of what storage provides.
You can import multiple specs, and imports are transitive — if A imports B and B imports C, CodeSpeak will build all three in the right order.
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transitive dependency resolution
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app specification will be done with agents and markdown
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YAML frontmatter enables dependency-aware specifications