Feat: Handling abnormal anchor points of agent operators #3221 (#9121)

### What problem does this PR solve?
Feat: Handling abnormal anchor points of agent operators #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/agent/constant.tsx

@@ -644,19 +644,20 @@ export const initialAgentValues = {
   max_rounds: 5,
   exception_method: null,
   exception_comment: '',
-  exception_goto: '',
+  exception_goto: [],
+  exception_default_value: '',
   tools: [],
   mcp: [],
   outputs: {
-    structured_output: {
-      // topic: {
-      //   type: 'string',
-      //   description:
-      //     'default:general. The category of the search.news is useful for retrieving real-time updates, particularly about politics, sports, and major current events covered by mainstream media sources. general is for broader, more general-purpose searches that may include a wide range of sources.',
-      //   enum: ['general', 'news'],
-      //   default: 'general',
-      // },
-    },
+    // structured_output: {
+    //   topic: {
+    //     type: 'string',
+    //     description:
+    //       'default:general. The category of the search.news is useful for retrieving real-time updates, particularly about politics, sports, and major current events covered by mainstream media sources. general is for broader, more general-purpose searches that may include a wide range of sources.',
+    //     enum: ['general', 'news'],
+    //     default: 'general',
+    //   },
+    // },
     content: {
       type: 'string',
       value: '',
@@ -932,6 +933,7 @@ export enum NodeHandleId {
   Tool = 'tool',
   AgentTop = 'agentTop',
   AgentBottom = 'agentBottom',
+  AgentException = 'agentException',
 }
 
 export enum VariableType {