Initial scaffold: Researcher Endorsement frontend

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.github/agents/vite-configurator.agent.md

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+---
+name: "Vite Configurator"
+description: "Scaffolds Vite + React + TypeScript configuration (plugins, CSS handling, alias wiring).
+Useful for setting up a performant Vite dev server and production build for frontend apps."
+triggers:
+  - "setup vite"
+  - "generate vite.config.ts"
+  - "configure vite for react"
+---
+
+# Vite Configurator
+
+Purpose
+- Create or update `vite.config.ts` for React + TypeScript projects.
+- Wire common plugins: `@vitejs/plugin-react`, `vite-tsconfig-paths`, PostCSS/Tailwind support, and env-based base paths.
+
+Example prompts
+- "generate vite.config.ts with tsconfig path aliases"
+- "configure Vite for Tailwind and CSS modules"
+
+Output
+- A suggested `vite.config.ts` with recommended plugins and comments for options to change (base, build.target, chunking).
+- Guidance to install packages: `npm i -D vite @vitejs/plugin-react vite-tsconfig-paths`
+
+Sample Vite config (snippet)
+```ts
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+import tsconfigPaths from 'vite-tsconfig-paths'
+
+export default defineConfig({
+  plugins: [react(), tsconfigPaths()],
+  server: { port: 5173 },
+  build: {
+    target: 'es2018',
+    sourcemap: false,
+  },
+  resolve: {
+    alias: {
+      // if not using vite-tsconfig-paths, add manual aliases here
+      // '@': '/src'
+    }
+  }
+})
+```
+
+Notes
+- Recommend `vite-tsconfig-paths` to keep `tsconfig.json` and Vite aliases synchronized.
+- If using Tailwind, ensure `postcss.config.cjs` and `tailwind.config.cjs` exist and include Vite's PostCSS pipeline.
+- Provide a `preview` script (`vite preview`) for local testing of production builds.