feat(feature-control): add standalone BFF with bootstrap, exposure telemetry and tests

feature-control-bff/server.mjs

@@ -0,0 +1,34 @@
+import http from "node:http";
+import { createRuntime, handleBootstrap, handleExposure, loadConfig, nowIso, writeJson } from "./core.mjs";
+
+const PORT = Number(process.env.PORT || 8787);
+const runtime = createRuntime(loadConfig(process.env));
+
+const server = http.createServer(async (req, res) => {
+  const method = req.method || "GET";
+  const url = req.url || "/";
+
+  if (method === "GET" && url === "/health") {
+    return writeJson(res, 200, {
+      ok: true,
+      service: "feature-control-bff",
+      time: nowIso(),
+      cacheEntries: runtime.cache.size,
+      inFlight: runtime.inFlight.size
+    });
+  }
+
+  if (method === "POST" && url === "/feature-control/bootstrap") {
+    return handleBootstrap(req, res, runtime);
+  }
+
+  if (method === "POST" && url === "/feature-control/telemetry/exposure") {
+    return handleExposure(req, res, runtime);
+  }
+
+  return writeJson(res, 404, { ok: false, code: "NOT_FOUND", message: "Rota não encontrada" });
+});
+
+server.listen(PORT, () => {
+  console.log(`[feature-control-bff] listening on :${PORT}`);
+});