fix(go-agent): support Aliyun tool calls (#17099)

## Summary

  - Enable synchronous and streaming tool calls for Aliyun models.
- Preserve provider-specific chat endpoints and prevent repeated
qwen-flash tool calls.
  - Restrict retrieval tool inputs to model-provided query parameters.

  ## Testing

- `bash build.sh --test ./internal/entity/models
./internal/agent/component ./internal/agent/tool`
  - Manual frontend UI testing passed.

conf/models/aliyun.json

@@ -18,7 +18,10 @@
       "max_tokens": 995904,
       "model_types": [
         "chat"
-      ]
+      ],
+      "tools": {
+        "support": true
+      }
     },
     {
       "name": "text-embedding-v4",