doc: fix about model features (#6619)

api/core/model_runtime/docs/en_US/schema.md

@@ -86,6 +86,9 @@
 
 - `agent-thought` Agent reasoning, generally over 70B with thought chain capability.
 - `vision` Vision, i.e., image understanding.
+- `tool-call`
+- `multi-tool-call`
+- `stream-tool-call`
 
 ### FetchFrom
 

api/core/model_runtime/docs/zh_Hans/schema.md

@@ -87,6 +87,9 @@
 
 - `agent-thought` Agent 推理，一般超过 70B 有思维链能力。
 - `vision` 视觉，即：图像理解。
+- `tool-call` 工具调用
+- `multi-tool-call` 多工具调用
+- `stream-tool-call` 流式工具调用
 
 ### FetchFrom