将字段默认值选项改为后端传递。

chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/model/DefaultValue.java

@@ -0,0 +1,12 @@
+package ai.chat2db.spi.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class DefaultValue {
+
+    private String defaultValue;
+
+}

chat2db-server/chat2db-spi/src/main/java/ai/chat2db/spi/model/TableMeta.java

@@ -19,4 +19,6 @@ public class TableMeta {
 
 
     private List<IndexType> indexTypes;
+
+    private List<DefaultValue> defaultValues;
 }