import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";

// The SPA talks to the FastAPI backend on :8000 via a same-origin proxy, so the
// browser makes no cross-origin calls in dev. Override the target with
// VITE_API_TARGET when :8000 is occupied. Screen-shaped /api/* endpoints arrive in
// SLICE-2/3 (SD-0001 §6.4).
const apiTarget = process.env.VITE_API_TARGET || "http://localhost:8000";

export default defineConfig({
  plugins: [react()],
  server: {
    port: 5173,
    proxy: {
      "/api": apiTarget,
    },
  },
});