fix(admin-service): 添加APK/IPA解析依赖 + 修复Platform类型推断

- 添加adbkit-apkreader, unzipper, bplist-parser
- 修复platform变量类型为Platform枚举

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/services/admin-service/package.json

@@ -24,6 +24,9 @@
     "passport-jwt": "^4.0.1",
     "class-validator": "^0.14.0",
     "class-transformer": "^0.5.1",
+    "adbkit-apkreader": "^3.2.0",
+    "unzipper": "^0.12.0",
+    "bplist-parser": "^0.3.2",
     "minio": "^8.0.0",
     "reflect-metadata": "^0.2.1",
     "rxjs": "^7.8.1"

backend/services/admin-service/src/interface/http/controllers/admin-version.controller.ts

@@ -93,9 +93,9 @@ export class AdminVersionController {
     // Parse package to extract metadata (auto-fill when not provided)
     const parsedInfo = await this.packageParser.parse(file.buffer, file.originalname);
 
-    const platform = body.platform
+    const platform: Platform = body.platform
       ? (body.platform.toUpperCase() as Platform)
-      : parsedInfo.platform;
+      : (parsedInfo.platform as Platform);
     const versionCode = body.versionCode
       ? parseInt(body.versionCode, 10)
       : parsedInfo.versionCode || Date.now();