Fix: Remove import.meta from static.ts for CJS compatibility

- Use process.cwd() first, then __dirname fallback
- No more import.meta.url in CJS bundle

server/static.ts

@@ -2,28 +2,29 @@ import express from 'express';
 import type { Express } from 'express';
 import fs from "node:fs";
 import path from "node:path";
-import { fileURLToPath } from "node:url";
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
 
 export function serveStatic(app: Express) {
-  // In production CJS bundle, __dirname points to the compiled file
-  // so we check both the bundle-relative path and cwd
-  const bundleDistPath = path.resolve(__dirname, "..", "public");
+  // In production CJS bundle, we check cwd first (PM2 working directory)
   const cwdDistPath = path.resolve(process.cwd(), "dist", "public");
-  const distPath = fs.existsSync(cwdDistPath) ? cwdDistPath : bundleDistPath;
-
-  if (!fs.existsSync(distPath)) {
-    throw new Error(
-      `Could not find the build directory: ${distPath}, make sure to build the client first`,
-    );
+  if (fs.existsSync(cwdDistPath)) {
+    app.use(express.static(cwdDistPath));
+    app.use("/{*path}", (_req, res) => {
+      res.sendFile(path.resolve(cwdDistPath, "index.html"));
+    });
+    return;
   }
 
-  app.use(express.static(distPath));
+  // Fallback: check relative to this file
+  const bundleDistPath = path.resolve(__dirname, "..", "public");
+  if (fs.existsSync(bundleDistPath)) {
+    app.use(express.static(bundleDistPath));
+    app.use("/{*path}", (_req, res) => {
+      res.sendFile(path.resolve(bundleDistPath, "index.html"));
+    });
+    return;
+  }
 
-  // fall through to index.html if the file doesn't exist
-  app.use("/{*path}", (_req, res) => {
-    res.sendFile(path.resolve(distPath, "index.html"));
-  });
+  throw new Error(
+    `Could not find the build directory. Checked: ${cwdDistPath}, ${bundleDistPath}`,
+  );
 }