build: add reproducible Android release verification
Resolved a conflict in android/app/build.gradle.kts. #19 was written against
the pre-#10 file and re-added the pub-cache patch tasks that #10 deleted; only
`sha256Hex()` was kept from that block, since `verifyReleaseAppConfig` needs it.
Also restored `import java.io.File`, which #10 removed along with the patch
tasks. #19's `sha256Hex(file: File)` names the type in its signature, and
Kotlin does not auto-import `java.io.File`, so the release build would have
failed at Gradle configuration without it.
Verified after resolution: no orphaned references to `projectRootDir`,
`localProperties`, `flutterSdkPath` or `patchFlutterVless`; both tests in
test/release_verification_regression_test.dart pass; `flutter analyze` reports
no errors or warnings.
Co-Authored-By: Claude Opus 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_019HT2x2JvJNg7XNsJubfHFf
Enforce session expiry at the OS level (AlarmManager + handler) so the tunnel dies even if the UI process is killed; persist the session so a START_STICKY restart re-establishes it; sync immediately after a support top-up; slow the session beacon 5s/30s -> 60s/60s; drop the Always-on-VPN deep-link and the legacy 'ass' migration. Docs: CHANGELOG 3.3.4, privacy-policy log disclosure, README.
Add explicit TUN and SOCKS5 connection modes, app routing controls, authenticated per-session local SOCKS5, Android network monitoring, persistent haptics, resilient session recovery, notification hardening and client-side Hivemind cleanup.
Keep the hosted flutter_vless_android 1.1.5 runtime as the base and apply the Android compatibility/security patches at build time instead of restoring the unstable vendored runtime.
