feat: 新增科研软件 benchmark 任务数据

- 新增 avogadro/imagej/jade/origin/ovito/pymol/vesta 等科研软件任务 JSON
- 修改 vllm_eval.py，修改图片文件名称为第x步
- desktop_env.py 添加额外数据参数 config 和 metadata

evaluation_examples/examples/ovito/code_generation_task1.json

@@ -0,0 +1,44 @@
+{
+  "id": "code_generation_task1",
+  "snapshot": "ovito",
+  "instruction": "在 OVITO 中，通过 File → Generate Python Script 打开代码生成器窗口。",
+  "source": "custom",
+  "config": [
+    {
+      "type": "launch",
+      "parameters": {
+        "command": [
+          "C:\\OVITO Basic\\ovito.exe"
+        ]
+      }
+    },
+    {
+      "type": "sleep",
+      "parameters": {
+        "seconds": 5
+      }
+    }
+  ],
+  "trajectory": "trajectories/",
+  "related_apps": [
+    "ovito"
+  ],
+  "evaluator": {
+    "postconfig": [
+      {
+        "type": "sleep",
+        "parameters": {
+          "seconds": 3
+        }
+      }
+    ],
+    "func": "vllm_eval"
+  },
+  "proxy": false,
+  "fixed_ip": false,
+  "possibility_of_env_change": "low",
+  "metadata": {
+    "input_files": [],
+    "steps": "1. 启动 OVITO 软件。\n2. 点击顶部菜单栏中的 File。\n3. 在下拉菜单中选择 Generate Python Script。\n4. 确保代码生成器窗口正常打开（可见 Python 代码编辑界面）。"
+  }
+}