Add CYD browser flasher with Next.js, i18n, and Web Serial install.

Replace the starter app with a public/local flasher that discovers sibling firmwares, supports en/zh, and documents HTTPS deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/sync-firmware.ps1

@@ -0,0 +1,37 @@
+# Mirror sibling project firmware archives into cydweb/firmware for public deploy.
+# Usage (from cydweb):
+#   .\scripts\sync-firmware.ps1
+
+$ErrorActionPreference = "Stop"
+$root = Split-Path -Parent (Split-Path -Parent $MyInvocation.MyCommand.Path)
+$cydRoot = Split-Path -Parent $root
+$dstRoot = Join-Path $root "firmware"
+
+New-Item -ItemType Directory -Force -Path $dstRoot | Out-Null
+
+$required = @("bootloader.bin", "partitions.bin", "boot_app0.bin", "firmware.bin")
+$count = 0
+
+Get-ChildItem $cydRoot -Directory | Where-Object { $_.Name -ne "cydweb" } | ForEach-Object {
+  $proj = $_.Name
+  $fwRoot = Join-Path $_.FullName "firmware"
+  if (-not (Test-Path $fwRoot)) { return }
+
+  Get-ChildItem $fwRoot -Directory -ErrorAction SilentlyContinue | ForEach-Object {
+    $variant = $_.Name
+    $src = $_.FullName
+    $ok = $true
+    foreach ($f in $required) {
+      if (-not (Test-Path (Join-Path $src $f))) { $ok = $false; break }
+    }
+    if (-not $ok) { return }
+
+    $dst = Join-Path $dstRoot (Join-Path $proj $variant)
+    New-Item -ItemType Directory -Force -Path $dst | Out-Null
+    Copy-Item (Join-Path $src "*") $dst -Force -Recurse
+    Write-Host "Synced $proj/$variant"
+    $script:count++
+  }
+}
+
+Write-Host "Done. $count firmware package(s) -> $dstRoot"