fix(android): show password action only for locked channels

apps/chanora_flutter/lib/main.dart

@@ -2152,13 +2152,14 @@ class _SnapshotView extends StatelessWidget {
                   : Row(
                       mainAxisSize: MainAxisSize.min,
                       children: [
-                        IconButton(
-                          icon: const Icon(Icons.lock_outline),
-                          tooltip: l10n.channelPasswordTitle,
-                          onPressed: hasJoinPending
-                              ? null
-                              : () => onJoinChannelWithPassword(ch),
-                        ),
+                        if (ch.hasPassword)
+                          IconButton(
+                            icon: const Icon(Icons.lock_outline),
+                            tooltip: l10n.channelPasswordTitle,
+                            onPressed: hasJoinPending
+                                ? null
+                                : () => onJoinChannelWithPassword(ch),
+                          ),
                         IconButton(
                           icon: Icon(
                             ch.id == pendingVoiceChannelId

apps/chanora_flutter/lib/src/rust/api.dart

@@ -314,16 +314,24 @@ class BridgeChannel {
   /// Server-side ordering hint.
   final PlatformInt64 order;
 
+  /// True when the server marks the channel as password-protected.
+  final bool hasPassword;
+
   const BridgeChannel({
     required this.id,
     required this.parent,
     required this.name,
     required this.order,
+    required this.hasPassword,
   });
 
   @override
   int get hashCode =>
-      id.hashCode ^ parent.hashCode ^ name.hashCode ^ order.hashCode;
+      id.hashCode ^
+      parent.hashCode ^
+      name.hashCode ^
+      order.hashCode ^
+      hasPassword.hashCode;
 
   @override
   bool operator ==(Object other) =>
@@ -333,7 +341,8 @@ class BridgeChannel {
           id == other.id &&
           parent == other.parent &&
           name == other.name &&
-          order == other.order;
+          order == other.order &&
+          hasPassword == other.hasPassword;
 }
 
 /// Client as seen by Dart.

apps/chanora_flutter/lib/src/rust/frb_generated.dart

@@ -1157,13 +1157,14 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
   BridgeChannel dco_decode_bridge_channel(dynamic raw) {
     // Codec=Dco (DartCObject based), see doc to use other codecs
     final arr = raw as List<dynamic>;
-    if (arr.length != 4)
-      throw Exception('unexpected arr length: expect 4 but see ${arr.length}');
+    if (arr.length != 5)
+      throw Exception('unexpected arr length: expect 5 but see ${arr.length}');
     return BridgeChannel(
       id: dco_decode_u_64(arr[0]),
       parent: dco_decode_u_64(arr[1]),
       name: dco_decode_String(arr[2]),
       order: dco_decode_i_64(arr[3]),
+      hasPassword: dco_decode_bool(arr[4]),
     );
   }
 
@@ -1518,11 +1519,13 @@ class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
     var var_parent = sse_decode_u_64(deserializer);
     var var_name = sse_decode_String(deserializer);
     var var_order = sse_decode_i_64(deserializer);
+    var var_hasPassword = sse_decode_bool(deserializer);
     return BridgeChannel(
       id: var_id,
       parent: var_parent,
       name: var_name,
       order: var_order,
+      hasPassword: var_hasPassword,
     );
   }