Distillation

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<observations> Date: Jul 28, 2026 * 🔴 (11:42) User investigating Vite 8 / Astro 7 migration for `packages/website` in monorepo at /home/byk/Code/getsentry/spotlight. Dependabot alerts #301 and #302 flag `astro < 7.0.6` as vulnerable. Astro 7 hard-requires `vite@^8.0.13`. Current website uses `astro@6.4.8` + `vite@6.4.3` (locked via pnpm overrides). Website plugin chain (`tailwindcss/@tailwindcss/vite`, `vite-plugin-inspect`, `@astrojs/react` pinned to vite 6) breaks when vite moves to 8. Goal: precise migration surface map for single focused PR. * 🟡 (11:42) User instructed agent to report findings as numbered list, NOT modify any tracked files, use `/tmp/opencode` for experimentation, and do not permanently change override. Also asked for peer-error cascade preview by temporarily setting `astro: ">=7.0.6"` and `vite: ">=8"` overrides in root package.json. * 🔴 (11:43) `packages/website/package.json` direct deps relevant to vite/astro: `@astrojs/react: ^5.0.5`, `@astrojs/starlight: ^0.39.2`, `@astrojs/starlight-tailwind: ^5.0.0`, `@astrojs/vercel: ^10.0.7`, `@tailwindcss/vite: catalog:` (^4.1.11), `astro: ^6.4.6`, `tailwindcss: catalog:` (^4.1.10), `vite-plugin-inspect: ^0.7.42`. Catalog sets vite: `^6.4.2` and react/react-dom: `^18.3.1`. * 🔴 (11:43) Root `pnpm-workspace.yaml` catalog includes: `@tailwindcss/vite: ^4.1.11`, `react: ^18.3.1`, `react-dom: ^18.3.1`, `tailwindcss: ^4.1.10`, `vite: ^6.4.2`. * 🔴 (11:43) Root `package.json` pnpm.overrides include: `"vite@>=6.0.0 <6.4.2": "~6.4.2"` and `"vite@>=7.0.0 <7.3.5": ">=7.3.5 <8"`. Will need adjustment to allow vite@8. * 🔴 (11:43) Root `package.json` uses `pnpm@9.15.9`, requires `node: >=20` (volta pins node 24.11.1). * 🔴 (11:43) `packages/website/astro.config.mjs` uses `vite.plugins: [Inspect({dev: true, build: true}), tailwindcss()]`, `vite.build.sourcemap: true`, `devOverlay: true`, integrations: `sentry()`, `starlight({title: "Spotlight", ...})`, `react()`. Output: `static`, adapter: `vercel()`. Markdown shiki config uses `monochromeCodeTheme` from `@sentry/starlight-theme`. * 🔴 (11:43) `packages/website/content.config.ts` exists (untracked). Uses legacy collection API: `defineCollection({ schema: docsSchema() })` and `defineCollection({ type: "data", schema: i18nSchema() })`. Does NOT use new `loaders` API from Content Layer. * 🔴 (11:43) Resolved versions in `pnpm-lock.yaml` for website: astro 6.4.8, vite 7.3.5 (not 6.4.3 as user stated), @astrojs/react 5.0.5, @astrojs/starlight 0.39.2, @astrojs/starlight-tailwind 5.0.0, @astrojs/vercel 10.0.7, @tailwindcss/vite 4.1.11(vite@7.3.5), @sentry/astro 10.32.1, vite-plugin-inspect 0.7.42(vite@7.3.5). User's premise of vite@6.4.3 resolved is INCORRECT — actually vite@7.3.5 due to override. * 🔴 (11:44) `astro@7.1.4` (latest 7.x): peerDependencies `{ '@astrojs/markdown-remark': '7.2.1' }`, engines `{ npm: '>=9.6.5', node: '>=22.12.0', pnpm: '>=7.1.0' }`, requires `vite: '^8.0.13'` in dependencies. Also pulls `zod: '^4.3.6'`, `shiki: '^4.0.2'`. * 🔴 (11:44) `@tailwindcss/vite@latest` = 4.3.3, peerDependencies `{ vite: '^5.2.0 || ^6 || ^7 || ^8' }` — vite 8 supported. Currently website resolves 4.1.11. * 🔴 (11:44) `@astrojs/react@latest` = 6.0.1, peerDependencies: react/react-dom: `^17.0.2 || ^18.0.0 || ^19.0.0`. (Does NOT declare astro peer — astro is bundled dependency now, requires astro 7). Version 5.x (currently used) peers same react ranges but requires astro 6. * 🔴 (11:44) `vite-plugin-inspect@latest` = 12.0.2, peerDependencies `{ vite: '^