Wie diese Website gebaut ist: statisch, wo es geht, streamend, wo es muss

// package.json
"build": "node scripts/gen-posts-meta.mjs && node scripts/gen-knowledge.mjs
          && tsc --noEmit -p tsconfig.app.json && vite build
          && node scripts/sitemap.mjs && node scripts/prerender.mjs"

<!-- index.html: runs before CSS, fonts and the app bundle -->
<script>
  (function () {
    var l = location, p = l.pathname, s = new URLSearchParams(l.search), q = s.get("lang"), w;
    if (/^\/(de|es)(\/|$)/.test(p)) return;
    var ok = function (x) { return x === "en" || x === "de" || x === "es"; };
    try { w = ok(q) ? q : p === "/" ? [localStorage.getItem("dominik-lang"), (navigator.language || "").slice(0, 2)].filter(ok)[0] : ""; } catch (e) {}
    if (w !== "de" && w !== "es") return;
    s.delete("lang");
    var r = s.toString();
    l.replace("/" + w + (p === "/" ? "" : p) + (r ? "?" + r : "") + l.hash);
  })();
</script>
<!-- staticwebapp.config.json: script-src 'self' 'sha256-…' -->

// api/chat/index.js — Azure Functions v4 on Static Web Apps
const { app } = require("@azure/functions");
app.setup({ enableHttpStream: true });
app.http("chat", { methods: ["GET", "POST"], authLevel: "anonymous", route: "chat",
  handler: async (req) => (await chat).azureFunctions(req) });

// in the engine: exactly this content type, no charset suffix
// "Content-Type": "text/event-stream"