cross-platform bun bd (#24983)

closes #24969

scripts/bd

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+LOG_FILE="${TMPDIR:-/tmp}/bun.debug.build.log.$$"
+
+if bun run --silent build:debug > "$LOG_FILE" 2>&1; then
+  rm -f "$LOG_FILE"
+  exec ./build/debug/bun-debug "$@"
+else
+  status=$?
+  cat "$LOG_FILE"
+  rm -f "$LOG_FILE"
+  exit "$status"
+fi

scripts/bd.bat

@@ -0,0 +1,2 @@
+@echo off
+pwsh -File "%~dp0bd.ps1" %*

scripts/bd.ps1

@@ -0,0 +1,10 @@
+#!/usr/bin/env pwsh
+
+$buildOutput = & bun run --silent build:debug 2>&1
+if ($LASTEXITCODE -ne 0) {
+    Write-Output $buildOutput
+    exit $LASTEXITCODE
+}
+
+& ./build/debug/bun-debug @args
+exit $LASTEXITCODE