fix: address issues in model pull and chat API

- Refactored model pull logic to improve error handling and user feedback.
- Enhanced chat API to ensure better performance and reliability during message fetching.
- Updated UI components for a more intuitive user experience when interacting with models and messages.

data/models/internlm2.json

@@ -0,0 +1,38 @@
+{
+  "model": "internlm2",
+  "url": "https://ollama.com/library/internlm2",
+  "description": "InternLM2.5 is a 7B parameter model tailored for practical scenarios with outstanding reasoning capability.",
+  "variantsCount": 5,
+  "variants": [
+    {
+      "name": "internlm2:latest",
+      "size": "4.5GB",
+      "context": "32K",
+      "inputType": "Text"
+    },
+    {
+      "name": "internlm2:1m",
+      "size": "4.5GB",
+      "context": "256K",
+      "inputType": "Text"
+    },
+    {
+      "name": "internlm2:1.8b",
+      "size": "1.1GB",
+      "context": "32K",
+      "inputType": "Text"
+    },
+    {
+      "name": "internlm2:7b",
+      "size": "4.5GB",
+      "context": "32K",
+      "inputType": "Text"
+    },
+    {
+      "name": "internlm2:20b",
+      "size": "11GB",
+      "context": "32K",
+      "inputType": "Text"
+    }
+  ]
+}