fix(android): APK包名统一gca-v0.1.0 + 应用名加版本 + Gitea manifest联调

- APK: app-debug.apk → gca-v0.1.0-debug.apk
- App名: Yuzu GCA Test → Yuzu GCA v0.1.0
- MainActivity: 真实manifest拉取+JSON解析+SHA256真实比对
- Gitea Release #6: gca-v0.1.0.apk + manifest.json
- 删除旧Expo modules/ 文件

packages/client-android/manifest.json

@@ -3,10 +3,10 @@
   "builds": {
     "android": {
       "type": "apk",
-      "tag": "v0.1.0-dav-android-1",
-      "url": "https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/v0.1.0-dav-android-1/gca-0.1.0.apk",
-      "sha256": "PLACEHOLDER",
-      "size": 0,
+      "tag": "v0.1.0-dav-android-6",
+      "url": "https://git.childish-ghost.com/LukeMackin/Yuzu-GCA/releases/download/v0.1.0-dav-android-6/gca-v0.1.0.apk",
+      "sha256": "6cd6bbfe07e8b86b06bc328b7b08138dfb00defc71c8bcc98fbb256b2153aba6",
+      "size": 3223411,
       "minVersion": "0.1.0"
     }
   }