Add LogicSRC standards MCP server

apps/commandboard-web/server.js

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+import { createReadStream, existsSync, statSync } from "node:fs";
+import { createServer } from "node:http";
+import { extname, join, normalize, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+import { createCommandBoardServer } from "../commandboard-api/dist/index.js";
+
+const appDirectory = fileURLToPath(new URL(".", import.meta.url));
+const distDirectory = resolve(appDirectory, "dist");
+const indexFile = join(distDirectory, "index.html");
+const apiServer = createCommandBoardServer();
+const port = Number(process.env.PORT ?? 4173);
+
+const mimeTypes = {
+  ".css": "text/css; charset=utf-8",
+  ".html": "text/html; charset=utf-8",
+  ".ico": "image/x-icon",
+  ".js": "text/javascript; charset=utf-8",
+  ".json": "application/json; charset=utf-8",
+  ".png": "image/png",
+  ".svg": "image/svg+xml",
+  ".webmanifest": "application/manifest+json; charset=utf-8"
+};
+
+createServer((request, response) => {
+  const url = new URL(request.url ?? "/", `http://${request.headers.host ?? "localhost"}`);
+
+  if (url.pathname === "/health" || url.pathname.startsWith("/api/")) {
+    apiServer.emit("request", request, response);
+    return;
+  }
+
+  if (request.method !== "GET" && request.method !== "HEAD") {
+    response.writeHead(405, { allow: "GET, HEAD" });
+    response.end("Method not allowed");
+    return;
+  }
+
+  const file = resolveStaticPath(url.pathname);
+  if (!file) {
+    response.writeHead(403);
+    response.end("Forbidden");
+    return;
+  }
+
+  sendFile(file, request.method === "HEAD", response);
+}).listen(port, () => {
+  console.log(`CommandBoard.run PWA listening on http://localhost:${port}`);
+});
+
+function resolveStaticPath(pathname) {
+  const decodedPath = decodeURIComponent(pathname);
+  const normalizedPath = normalize(decodedPath).replace(/^(\.\.[/\\])+/, "");
+  let candidate = join(distDirectory, normalizedPath);
+
+  if (!candidate.startsWith(distDirectory)) {
+    return null;
+  }
+
+  if (existsSync(candidate) && statSync(candidate).isDirectory()) {
+    candidate = join(candidate, "index.html");
+  }
+
+  if (existsSync(candidate) && statSync(candidate).isFile()) {
+    return candidate;
+  }
+
+  return indexFile;
+}
+
+function sendFile(file, headOnly, response) {
+  if (!existsSync(file)) {
+    response.writeHead(500, { "content-type": "text/plain; charset=utf-8" });
+    response.end("Build output missing. Run `npm run build` before `npm start`.");
+    return;
+  }
+
+  const extension = extname(file);
+  response.writeHead(200, {
+    "cache-control": extension === ".html" ? "no-store" : "public, max-age=31536000, immutable",
+    "content-type": mimeTypes[extension] ?? "application/octet-stream"
+  });
+
+  if (headOnly) {
+    response.end();
+    return;
+  }
+
+  createReadStream(file).pipe(response);
+}