fix: show actual environment name for 'other' category

- Add rawEnvironment field to preserve extracted environment name
- Display rawEnvironment (e.g., 'timeshift') instead of 'other' in badge

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

app/download/ApkList.tsx

@@ -10,6 +10,7 @@ const fetcher = (url: string) => fetch(url).then((res) => res.json());
 interface Apk {
   name: string;
   environment: ApkEnvironment;
+  rawEnvironment: string;
   commit: string | null;
   size: number;
   modifiedAt: string;