Fix: code supports matplotlib (#13724)

### What problem does this PR solve?

Code as "final" node: 

![img_v3_02vs_aece4caf-8403-4939-9e68-9845a22c2cfg](https://github.com/user-attachments/assets/9d87b8df-da6b-401c-bf6d-8b807fe92c22)

Code as "mid" node:

![img_v3_02vv_f74f331f-d755-44ab-a18c-96fff8cbd34g](https://github.com/user-attachments/assets/c94ef3f9-2a6c-47cb-9d2b-19703d2752e4)


### Type of change

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

conf/llm_factories.json

@@ -379,6 +379,13 @@
             "rank": "950",
             "url" : "https://dashscope.aliyuncs.com/compatible-mode/v1",
             "llm": [
+                {
+                    "llm_name": "qwen3.5-122b-a10b",
+                    "tags": "LLM,CHAT,128k",
+                    "max_tokens": 128000,
+                    "model_type": "chat",
+                    "is_tools": true
+                },
                 {
                     "llm_name": "Moonshot-Kimi-K2-Instruct",
                     "tags": "LLM,CHAT,128K",