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chore(storybook): drop the redundant setProjectAnnotations setup file

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Since Storybook 10.3, @storybook/addon-vitest provisions the preview
annotations itself — and *skips* doing so when it finds a setup file
calling setProjectAnnotations. So .storybook/vitest.setup.ts was not
merely redundant, it was actively opting the project out of the
automatic path, which the addon printed a notice about on every run.

Remove the file and the `setupFiles` entry from the `storybook` vitest
project.

A green suite doesn't prove the automatic provisioning works: without
the preview annotations, stories would render outside MantineProvider
and without App.css, and would very likely still pass. Add
src/test/PreviewAnnotations.stories.tsx, which asserts from a play
function that the Mantine theme variables and the App.css tokens are
actually present in the rendered document, so an unthemed render fails
loudly. Verified by emptying `decorators` in preview.tsx and confirming
the story goes red.

The a11y addon's axe runner can't be introspected from a play function,
so it was checked out-of-band: a story with a real violation turned the
suite red with the setup file already removed, confirming
@storybook/addon-a11y/preview is applied automatically.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0119LaPQ3v4NyBK3ZTdM9j84
This commit is contained in:
cliffhall 2026-08-10 23:46:32 -04:00
commit ca70a7cfa7
1 changed files with 87 additions and 8 deletions
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10
clients/web/vite.config.ts
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@ -379,7 +379,15 @@ export default defineConfig(({ command }) => {
},
],
},
setupFiles: [".storybook/vitest.setup.ts"],
// No `setupFiles`: since Storybook 10.3 `@storybook/addon-vitest`
// provisions the preview annotations (`.storybook/preview.tsx` plus
// `@storybook/addon-a11y/preview`) itself, and *skips* doing so when
// it finds a setup file calling `setProjectAnnotations` — so the old
// `.storybook/vitest.setup.ts` was both redundant and actively
// opting out of the automatic path (#1898). A green suite doesn't
// prove the automatic provisioning works (stories rendered without
// the Mantine decorator would very likely still pass), so
// `src/test/PreviewAnnotations.stories.tsx` asserts it directly.
},
},
],