fix(admin-service): 修复 APK 解析 - 使用临时文件代替 Buffer

adbkit-apkreader 库只支持文件路径，不支持 Buffer
现在先将 Buffer 写入临时文件，解析后删除

参考: https://github.com/openstf/adbkit-apkreader

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/services/admin-service/src/infrastructure/parsers/package-parser.service.ts

@@ -1,6 +1,9 @@
 import { Injectable, Logger } from '@nestjs/common'
 import * as unzipper from 'unzipper'
 import * as bplist from 'bplist-parser'
+import * as fs from 'fs/promises'
+import * as path from 'path'
+import * as os from 'os'
 import { Platform } from '@/domain/enums/platform.enum'
 
 // eslint-disable-next-line @typescript-eslint/no-require-imports
@@ -33,8 +36,16 @@ export class PackageParserService {
   }
 
   private async parseApk(buffer: Buffer): Promise<ParsedPackageInfo | null> {
+    // adbkit-apkreader only supports file paths, not buffers
+    // So we need to write buffer to a temp file first
+    const tempFile = path.join(os.tmpdir(), `apk-parse-${Date.now()}.apk`)
+
     try {
-      const reader = await ApkReader.open(buffer)
+      // Write buffer to temp file
+      await fs.writeFile(tempFile, buffer)
+
+      // Open APK from file path
+      const reader = await ApkReader.open(tempFile)
       const manifest = await reader.readManifest()
 
       return {
@@ -47,6 +58,13 @@ export class PackageParserService {
     } catch (error) {
       this.logger.error(`Failed to parse APK: ${error.message}`)
       throw error
+    } finally {
+      // Clean up temp file
+      try {
+        await fs.unlink(tempFile)
+      } catch {
+        // Ignore cleanup errors
+      }
     }
   }