v1.6: fix HIGH security vuln — remove plaintext cookie backup

- Remove KEY_COOKIES_BACKUP plaintext fallback from PreferencesManager
- getCookies() now fails closed (force re-login) if EncryptedSharedPreferences unavailable
- Set android:allowBackup="false" to prevent adb backup extraction of session data
- Add missing gradle-wrapper.jar to repo

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-05-22 18:28:26 +00:00
parent b3b69dd2b2
commit 8d1cf21966
7 changed files with 183 additions and 25 deletions
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