fix: 分类提案投票UI

backend/src/main/java/com/openisle/dto/ProposalDto.java

@@ -0,0 +1,20 @@
+package com.openisle.dto;
+
+import com.openisle.model.CategoryProposalStatus;
+import java.time.LocalDateTime;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class ProposalDto extends PollDto {
+
+  private CategoryProposalStatus proposalStatus;
+  private String proposedName;
+  private String description;
+  private int approveThreshold;
+  private int quorum;
+  private LocalDateTime startAt;
+  private String resultSnapshot;
+  private String rejectReason;
+}