fix(app): convert bin/treq from CommonJS to ESM

The extensionless bin/treq file was using require() and __filename,
but package.json declares "type": "module", causing Node.js to treat
it as ESM where require is not defined.

Author: andrewmelchor

.changeset/fix-esm-bin-wrapper.md

@@ -0,0 +1,5 @@
+---
+"@t-req/app": patch
+---
+
+Fix bin/treq crash with "require is not defined in ES module scope" by converting to ESM imports

packages/app/bin/treq

@@ -1,9 +1,10 @@
 #!/usr/bin/env node
 
-const childProcess = require("child_process")
-const fs = require("fs")
-const path = require("path")
-const os = require("os")
+import childProcess from "node:child_process"
+import fs from "node:fs"
+import path from "node:path"
+import os from "node:os"
+import { fileURLToPath } from "node:url"
 
 function run(target) {
   const result = childProcess.spawnSync(target, process.argv.slice(2), {
@@ -16,7 +17,7 @@ function run(target) {
   process.exit(result.status ?? 0)
 }
 
-const scriptDir = path.dirname(fs.realpathSync(__filename))
+const scriptDir = path.dirname(fs.realpathSync(fileURLToPath(import.meta.url)))
 
 const platformMap = { darwin: "darwin", linux: "linux", win32: "windows" }
 const archMap = { x64: "x64", arm64: "arm64" }