remove api folder to match old client

app/upload/version/route.ts

@@ -0,0 +1,63 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { prisma } from '@/lib/prisma'
+import { storeFile } from '@/lib/fileStorage'
+import { withCors } from '@/lib/middleware'
+import { createHash } from 'crypto'
+
+async function handleVersionUpload(req: NextRequest) {
+  try {
+    const formData = await req.formData()
+    const file = formData.get('file') as File
+    const version = formData.get('version') as string
+    
+    if (!file || !version) {
+      return NextResponse.json({ error: '缺少文件或版本号' }, { status: 400 })
+    }
+
+    const buffer = Buffer.from(await file.arrayBuffer())
+    
+    // Calculate SHA-256
+    const hash = createHash('sha256')
+    hash.update(buffer)
+    const checksum = hash.digest('hex')
+
+    // Store file
+    const filename = `winupdate-${version}-${Date.now()}.exe`
+    const storedFile = await storeFile(buffer, filename, 'application/x-msdownload', 'version')
+
+    // Update all versions to not be latest
+    await prisma.version.updateMany({
+      data: { isLatest: false }
+    })
+
+    // Create new version record
+    const newVersion = await prisma.version.create({
+      data: {
+        version,
+        fileId: storedFile.id,
+        objectName: storedFile.objectName,
+        filename: storedFile.filename,
+        contentType: storedFile.contentType,
+        fileSize: storedFile.size,
+        checksum,
+        isLatest: true
+      }
+    })
+
+    const protocol = req.headers.get('x-forwarded-proto') || 'http'
+    const host = req.headers.get('host')
+    const downloadUrl = `${protocol}://${host}/api/downloads/${storedFile.id}`
+
+    return NextResponse.json({
+      version,
+      download_url: downloadUrl,
+      checksum
+    })
+    
+  } catch (error) {
+    console.error('上传版本失败:', error)
+    return NextResponse.json({ error: '上传失败' }, { status: 500 })
+  }
+}
+
+export const POST = withCors(handleVersionUpload)