v0.2.0 - Reliability Improvements

What's New

🗄️ Command Persistence (Room Database)

• Commands survive app crashes and device restarts
• Track command status (PENDING, IN_PROGRESS, COMPLETED, FAILED)
• Automatic retry with attempt tracking

⚡ WorkManager Integration

• Heartbeats survive process death (minimum 15-min interval)
• Reliable background execution with exponential backoff
• Workers: HeartbeatWorker, CommandWorker, PushTokenWorker, SyncPendingCommandsWorker

🔄 Network Resilience

• RetryInterceptor with exponential backoff (1s, 2s, 4s)
• Automatic retry on IOException and 5xx server errors
• No retry on 4xx client errors

📱 Kiosk Mode Improvements

• Auto-restore kiosk mode on device boot
• Auto-launch kiosk app after installation (PackageInstalledReceiver)
• Smart app variant fallback (staging/dev builds)

🔒 Secure Updates

• SHA-256 hash verification for APK updates
• Downgrade protection
• State backup for agent self-updates
• Version constraint checking

📚 Library Updates

• PolicyMapper.fromJson() for JSON parsing

✅ Test Coverage

• 121 unit tests passing
• WorkScheduler, CommandWorker, HeartbeatWorker tests
• MDMRepository and integration tests

Usage (JitPack)

Add to your build.gradle:

```gradle
dependencies {
implementation 'com.github.azoila:openmdm-android:v0.2.0'
}
```

Full Changelog: v0.1.0...v0.2.0