Update v9.4.0: Advanced Telegram Integration & Custom UI

- Incremented version to 9.4.0 (versionCode: 94000)
- Added custom blocked dialog layout with improved UX
- Implemented Telegram commands: /allow, /deny, /pending
- Enhanced Telegram polling for real-time device management
- Custom token display with click-to-copy functionality
- Improved device verification workflow via Telegram
- Better error handling and user feedback
- Enhanced documentation for Telegram integration
- Improved token validation and management system

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/src/main/java/com/streamplayer/MainActivity.java

@@ -320,24 +320,30 @@ public class MainActivity extends AppCompatActivity {
         if (blockedDialog != null && blockedDialog.isShowing()) {
             blockedDialog.dismiss();
         }
-        StringBuilder messageBuilder = new StringBuilder();
-        messageBuilder.append(getString(R.string.device_blocked_message, finalReason));
-        if (!TextUtils.isEmpty(tokenPart)) {
-            messageBuilder.append("\n\n")
-                    .append(getString(R.string.device_blocked_token_hint, tokenPart));
+        View dialogView = getLayoutInflater().inflate(R.layout.dialog_blocked, null);
+        TextView messageText = dialogView.findViewById(R.id.blocked_message_text);
+        View tokenContainer = dialogView.findViewById(R.id.blocked_token_container);
+        TextView tokenValue = dialogView.findViewById(R.id.blocked_token_value);
+        messageText.setText(getString(R.string.device_blocked_message, finalReason));
+        boolean hasToken = !TextUtils.isEmpty(tokenPart);
+        if (hasToken) {
+            tokenContainer.setVisibility(View.VISIBLE);
+            tokenValue.setText(tokenPart);
+            tokenValue.setOnClickListener(v -> copyTokenToClipboard(tokenPart));
+        } else {
+            tokenContainer.setVisibility(View.GONE);
         }
-        blockedDialog = new AlertDialog.Builder(this)
+        AlertDialog.Builder builder = new AlertDialog.Builder(this)
                 .setTitle(R.string.device_blocked_title)
-                .setMessage(messageBuilder.toString())
+                .setView(dialogView)
                 .setCancelable(false)
                 .setPositiveButton(R.string.device_blocked_close,
-                        (dialog, which) -> finish())
-                .create();
-        if (!TextUtils.isEmpty(tokenPart)) {
-            blockedDialog.setButton(AlertDialog.BUTTON_NEUTRAL,
-                    getString(R.string.device_blocked_copy_token),
+                        (dialog, which) -> finish());
+        if (hasToken) {
+            builder.setNeutralButton(R.string.device_blocked_copy_token,
                     (dialog, which) -> copyTokenToClipboard(tokenPart));
         }
+        blockedDialog = builder.create();
         blockedDialog.show();
     }