# Element X ADA Small Fixes - 2026-03-28

## Bug 1: isDM Detection (Wallet Button Hidden)

**Problem:** The wallet button in the DM room top bar was hidden because `isDM=false` for API-created rooms. The `isDirect` flag isn't set when rooms are created via API rather than through the app's normal DM flow.

**Root Cause:** In `RoomIsDmCheck.kt`, the `isDm` check requires `isDirect=true AND activeMembersCount <= 2`. API-created rooms don't have `isDirect=true`.

**Fix:** Modified `MessagesPresenter.kt` line 298:
```kotlin
// Before
isDmRoom = roomInfo.isDm,

// After  
isDmRoom = roomInfo.isDm || roomInfo.activeMembersCount == 2L,
```

Now the wallet button shows for:
- Actual Matrix DMs (`isDirect=true && activeMembersCount <= 2`)
- Any 2-member room (catches API-created 1:1 rooms)

**Commit:** `c1b927380f` - "fix: show wallet button for 2-member rooms even without isDirect flag"

---

## Bug 2: Export Recovery Phrase Button Does Nothing

**Problem:** The "Show Recovery Phrase" button in wallet settings triggered `WalletPanelEvent.ExportRecoveryPhrase` but the handler just had `// TODO: Implement biometric auth then display mnemonic`.

**Fix:** Implemented the full flow:

1. **WalletPanelState.kt** - Added state fields:
   - `requestBiometricAuth: Boolean` - triggers biometric prompt
   - `showMnemonicDialog: Boolean` - shows the mnemonic display
   - `mnemonicWords: List<String>?` - the 24 words
   - `mnemonicError: String?` - error message if retrieval fails
   - New events: `LoadMnemonic`, `CancelBiometricAuth`, `DismissMnemonicDialog`

2. **WalletPanelPresenter.kt** - Event handling:
   - `ExportRecoveryPhrase` → sets `requestBiometricAuth = true`
   - `LoadMnemonic` → calls `walletManager.getMnemonic()` and shows dialog on success
   - `DismissMnemonicDialog` → clears mnemonic from state

3. **WalletPanelView.kt** - UI implementation:
   - `LaunchedEffect` watches `requestBiometricAuth` and triggers `BiometricPrompt`
   - Uses `BIOMETRIC_WEAK or DEVICE_CREDENTIAL` (accepts fingerprint/face/PIN)
   - On auth success → sends `LoadMnemonic` event
   - `MnemonicDisplayDialog` composable shows words in 4×6 grid
   - Each word shown as `"N. word"` in a chip
   - `FLAG_SECURE` set on dialog to prevent screenshots
   - Flag cleared when dialog dismissed

**Commit:** `f56f124a39` - "feat: implement export recovery phrase with biometric auth"

---

## Build & Deploy

- APK built successfully: `app-gplay-arm64-v8a-debug.apk` (207MB)
- Served via nginx container on port 8888
- Download: `http://192.168.0.5:8888/app-gplay-arm64-v8a-debug.apk`

## Git Log

```
f56f124a39 feat: implement export recovery phrase with biometric auth
c1b927380f fix: show wallet button for 2-member rooms even without isDirect flag
bf3ad49bec (previous HEAD)
```

Branch `phase1-dev` pushed to Gitea.