[CHA-2354] Add ParsedPredefinedFilterResponse to ChannelListResponse

Add class and response field for the new `predefined_filter` property
returned in QueryChannels responses when a predefined filter is used.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: totalimmersion

src/main/java/io/getstream/chat/java/models/Channel.java

@@ -1394,13 +1394,33 @@ public static class ChannelDeleteManyResponse extends StreamResponseObject {
     private String taskId;
   }
 
+  @Data
+  @NoArgsConstructor
+  public static class ParsedPredefinedFilterResponse {
+    @Nullable
+    @JsonProperty("name")
+    private String name;
+
+    @Nullable
+    @JsonProperty("filter")
+    private Map<String, Object> filter;
+
+    @Nullable
+    @JsonProperty("sort")
+    private List<Sort> sort;
+  }
+
   @Data
   @NoArgsConstructor
   @EqualsAndHashCode(callSuper = true)
   public static class ChannelListResponse extends StreamResponseObject {
     @Nullable
     @JsonProperty("channels")
     private List<ChannelGetResponse> channels;
+
+    @Nullable
+    @JsonProperty("predefined_filter")
+    private ParsedPredefinedFilterResponse predefinedFilter;
   }
 
   @Data