案例助手：代码整理和部分问题修复

servers/boe-server-all/src/main/java/com/xboe/enums/CaseAiChatStatusEnum.java

@@ -0,0 +1,41 @@
+package com.xboe.enums;
+
+public enum CaseAiChatStatusEnum {
+
+    REFERS(0, "引用文档"),
+
+    CHAT(1, "聊天中"),
+
+    CHAT_COMPLETED(2, "聊天完成"),
+
+    SUGGESTIONS(3, "建议"),
+
+    API_COMPLETED(4, "接口完成"),
+    ;
+
+    private final int code;
+
+    private final String label;
+
+    CaseAiChatStatusEnum(int code, String label) {
+        this.code = code;
+        this.label = label;
+    }
+
+    public static CaseAiChatStatusEnum getByCode(int code) {
+        for (CaseAiChatStatusEnum value : values()) {
+            if (value.code == code) {
+                return value;
+            }
+        }
+        return API_COMPLETED;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+}