Astro 7 conventions for ONE sites — plugin wiring via one.config.ts, OneChat/OneTrack placement, Cloudflare SSR. Invoke when editing .astro files or astro.config.mjs.
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React 19 conventions in ONE sites — client islands, @oneie/react hooks, no useEffect for ONE data. Invoke when editing .tsx components.
Use the ONE backend (@oneie/sdk) from this frontend via the plugin-backend wrapper. Invoke when reading/writing ONE data in API routes or SSR.
shadcn/ui under the ONE 6-token design system — CSS var tokens only, no hex, add components via the CLI. Invoke when editing src/components/ui/ or adding a primitive.