HTTP support jsonPath; System plugin support save file. (#2969)

* perf: system plugin auto save file

* feat: http support jsonPath

* fix: assistant response

* reset milvus version

* fix: textarea register

* fix: global variable

* delete tip

* doc

projects/app/src/components/core/chat/ChatContainer/ChatBox/components/VariableInput.tsx

@@ -64,8 +64,9 @@ export const VariableInputItem = ({
           minH={40}
           maxH={160}
           bg={'myGray.50'}
-          value={item.defaultValue}
-          onChange={(e) => setValue(item.key, e.target.value)}
+          {...register(item.key, {
+            required: item.required
+          })}
         />
       )}
       {item.type === VariableInputEnum.textarea && (